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Tytuł:
Związek wysokości z wybranymi cechami korony czteroletniej brzozy brodawkowatej (Betula pendula Roth)
The relationship between height and crown characteristics of four-year-old common birch (Betula pendula Roth)
Autorzy:
Klepacki, A.
Powiązania:
https://bibliotekanauki.pl/articles/1292448.pdf
Data publikacji:
2017
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
drzewa lesne
brzoza brodawkowata
Betula pendula
wysokosc drzew
korony drzew
szerokosc korony
dlugosc korony
przestrzen wzrostu
korelacja cech
tree height
crown width
crown length
growth space
common birch
forest culture
Opis:
This paper presents the results of an analysis on characteristics of birch crowns (Betula pendula Roth) in relation to measures of the growth space occupied by a single tree at a young age. It also presents the relationships between the seedling height and certain crown characteristics. The study focused on four-year-old common birches growing in four different areas in the Elk Forest District in either fresh mixed coniferous or broadleaved forest. The measurements conducted on the chosen trees were used to calculate their crown characteristics such as crown diameter, length, height to the crown base, relative length and spread. They were also used to determine the growth characteristics of a single tree’s growth space, such as the crown area projected onto the ground, single tree space and the percentage use of unit area. Furthermore, fresh and dry leaf mass was determined. The birches growing in the fresh mixed coniferous forest reached an average height of 1.30 m, whereas in the fresh mixed broadleaved forest, the height of the trees was lower and amounted to 0.67 m. 95% of the trees had crown diameters of 0.57 m to 0.74 m in the fresh mixed coniferous forest, but only 0.19 m to 0.25 m in the fresh mixed broadleaved forest. The average lengths of the crowns in the fresh mixed coniferous and broadleaved forests amounted to 0.97 m and 0.37 m respectively. The author shows that there is a statistically significant correlation between the seedling height and the other examined characteristics. The best correlation was found between the height and the length of the crown (r=0.9858) for birches growing in the fresh mixed coniferous forest and between the height and single tree space (r=0.8468) for birches growing in the fresh mixed broadleaved forest.
Źródło:
Leśne Prace Badawcze; 2017, 78, 2
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zróżnicowanie bieżącego przyrostu sosen w trzech klasach wieku
The current growth increment of pine tree stands comprising three different age classes
Autorzy:
Kaźmierczak, K.
Powiązania:
https://bibliotekanauki.pl/articles/1339817.pdf
Data publikacji:
2013
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
dendrometria
drzewa lesne
klasy wieku
klasy Krafta
drzewostany I klasy wieku
drzewostany II klasy wieku
drzewostany III klasy wieku
sosna zwyczajna
Pinus sylvestris
przyrost drzew
przyrost biezacy
przyrost wysokosci
przyrost piersnicy
przyrost piersnicowego pola przekroju
przyrost miazszosci
height increment
dbh increment
basal area increment
volume increment
growth space
crown
age
biosocial position
Opis:
The study presents the results of an analysis of the pine tree growth increments (height increment, dbh increment, basal area increment and volume increment) for a 5-year period. The study involved Scots pine trees of Kraft's class 1, 2 and 3 (dominant stand) in stands of different age classes (II, III, V) growing in fresh mixed coniferous (BMoew) and fresh coniferous (Boew) forest habitats. The multivariate analysis of variance was performed to assess the statistical significance of age and dominance of trees within a stand on their increment. The dominance position was classified for each tree using Kraft's criteria. The following characteristics were also measured: dbh of the trunk in two directions (N-S and W-E), and crown projection area on the basis of the characteristic tree crown points, projected using of a crown projector, characteristic points in tree crowns (7 to 14 on average). The actual height was determined after trees were felled. The following measurements of the single tree growing space were selected and determined: crown projection area – pk (m2), crown diameter – dk (m), Seebach's growth space number – dk / d1. 3 , crown projection area to basal area ratio –d d k 2 1 3 / 2. , crown deflection coefficient –d h k / , single tree space ppd=pk·h (m3). We assessed the strength of the relationships between tree growth parameters and tree growth space, crown length, relative crown length and slenderness. Both the age and dominance position of trees within the stand affected the growth increments. The strongest correlation among measured traits was between the 5-year volume increment and decreasing slenderness.
Źródło:
Leśne Prace Badawcze; 2013, 74, 2; 93-100
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wzrost i przyrost wysokości dębu szypułkowego (Quercus robur L.) w dolnej warstwie drzewostanu sosnowego
Growth and increment of height of pedunculate oak (Quercus robur L.) undergrowth in Scots pine stands
Autorzy:
Paluch, R.
Powiązania:
https://bibliotekanauki.pl/articles/991145.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
drzewa lesne
dab szypulkowy
Quercus robur
wzrost roslin
przyrost wysokosci
odnowienia podokapowe
oslona gorna drzewostanu
drzewostany sosnowe
height
growth phases
undergrowth
pedunculate oak
Opis:
The study compares height growth of pedunculate oak (Quercus robur L.) undergrowth in Scots pine (Pinus sylvestris L.) stands and in open canopy conditions. Material was collected in 20 Scots pine stands with well−developed pedunculate oak undergrowth located in north−eastern Poland, representing the mixed deciduous forest type (Querco roboris−Pinetum). Fraction of oak undergrowth with slow height increment in Scots pine stands amounted 40% and was twice as high as in the open canopy conditions. On average 10 years longer than in the open canopy conditions juvenile phase characterizes the height growth of pedunculate oak undergrowth. A shift of height growth phases of oak undergrowth was recorded. However in most of the stands Scots pine shelter did not cause large delay in the age at which the culmination of current height increment of pedunculate oak is achieved.
Źródło:
Sylwan; 2014, 158, 08; 563-570
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ terminu i sposobu wycinania brzozy brodawkowatej na jej regenerację i wzrost w uprawie dębowej
Effect of time and cleaning method on silver birch sprouting ability and growth in oak young growth
Autorzy:
Andrzejczyk, T.
Milewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/987203.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
hodowla lasu
uprawy debowe
mlodniki debowe
zabiegi pielegnacyjne
ciecia pielegnacyjne
wycinanie drzew
terminy zabiegow
gatunki domieszkowe
brzoza brodawkowata
Betula pendula
zdolnosc regeneracyjna
regeneracja roslin
wzrost roslin
przyrost wysokosci
betula pendula
sprouts
stump height
growth
cleaning
silviculture
Opis:
The objective of the study was to examine the sprouting ability and growth of silver birch after cleaning in a 11−year−old oak stand in Kolumna Forest District (central Poland). The purpose of the cleaning was to remove naturally regenerated birch. Six different treatments were applied as a cleaning methods. They differed in time of application and height of cutting or breaking the birch sprouts, i.e. spring cleaning at ground level in every second oak row (W1) or over the entire surface (W2), cutting or breaking at a height of 1 m in spring (W3a, W3b) and cutting or breaking at a height of 1 m in summer (W4a, W4b). We analyzed the formation of new sprouts and their height and dbh increment over a 4−year period after the treatment. On average, after spring cleaning 10−20% of birches produced new sprouts when birch was cut at the ground level. When cut at one meter, 85−90% of birches produced new sprouts. Cleaning in the summer decreased the sprouting ability by 20−25%. There were also significant differences in height growth of sprout between spring (better) and summer (worse) time of cleaning. There were no significant differences in sprouting ability and sprout growth between cutting and breaking when done at the same time of the year. Thus, the most effective way to restrict competition of birch in young oak stands is cutting at ground level.
Źródło:
Sylwan; 2017, 161, 04; 295-302
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ osłony drzewostanu górnego i cięć odsłaniających na wzrost i przyrost wysokości podrostów podokapowych sosny w Lasach Pilskich
Effect of the upper canopy and removal cutting on the height growth of the pine advance regeneration in Pila Forests
Autorzy:
Andrzejczyk, T.
Powiązania:
https://bibliotekanauki.pl/articles/973175.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
susza
drzewostany sosnowe
podrost
czynniki wzrostu
odnowienia podokapowe
wzrost roślin
osłona górna drzewostanu
cięcia odsłaniające
leśnictwo
przyrost wysokości
advance regeneration
height growth
response to drought
Pinus sylvestris
Opis:
The paper analyses the height growth and the of height increment of the 18 year−old pine advance regeneration under the shelter of varying canopy densities. A significant effect was found of the stocking of the parental stand on the growth of generation. The height increment increased in response to removal cutting (60% in the second year and 80% in the third year after treatment). In drought years, the greatest relative decrease in height growth of the young−growth stands (by ca 40−60%) occurred in the stands of the greatest canopy closure while it did not occur in the stands to which a removal cutting was applied immediately before the drought year.
Źródło:
Sylwan; 2007, 151, 03; 43-51
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ osłony bocznej drzewostanu na wzrost dębu bezszypułkowego (Quercus petraea) i grabu pospolitego (Carpinus betulus) w fazie uprawy
Effect of lateral shelter on a height growth of sessile oak (Quercus petraea) and common hornbeam (Carpinus betulus) in young growth phase
Autorzy:
Andrzejczyk, T.
Dzwonkowski, M.
Pawłowski, M.
Działak, R.
Powiązania:
https://bibliotekanauki.pl/articles/990860.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
hodowla lasu
uprawy lesne
dab bezszypulkowy
Quercus petraea
grab pospolity
Carpinus betulus
wzrost roslin
przyrost wysokosci
oslona boczna
sciana lasu
oak silviculture
hornbeam
height growth
mixed stands
mixture form
Opis:
We investigated annual height increment of sessile oak and common hornbeam planted on clear−cut in respect to the distance to the adjacent mature Scots pine stand. The study area was divided into 3 zones (I−III) each of 20 m width. The four analyzed treatments were defined on a basis of a mingling form: W1 – a monoculture of oak (control plot), W2 and W3 – two types of row mixture, W4 – single tree mixture. Two years after planting an annual height increment of both tree species was significantly higher in the zone I (adjacent to the mature pine stand from the SW side) than in two other zones. The same significant differences were also found at the other inventories. Although hornbeam was on average higher than oak, a growth inhibition of oak by hornbeam was not significant. The annual height increment of both species was correlated with the precipitation in June and July.
Źródło:
Sylwan; 2014, 158, 10; 723-732
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wound healing rate in oriental beech trees following logging damage
Autorzy:
Tavancar, F.
Picchio, R.
Lo Monaco, A.
Nikooy, M.
Venanzi, R.
Bonyad, A.E.
Powiązania:
https://bibliotekanauki.pl/articles/962357.pdf
Data publikacji:
2019
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Technologii Drewna
Tematy:
fagus orientalis
uneven-aged stand
single-tree selection
diameter
growth
height growth
tree biosocial class
Opis:
Beech is the most important commercial species in the Caspian forests of Iran. Selective cutting and harvesting methods may adversely impact the quality of the residual trees, as the injuries make the trees prone to future disease, insect infestations or timber defects. Although attempts to better understand how wounds affect the residual trees have been made in many different contexts, there are still few investigations on uneven-aged forests. In this study the key objectives were to determine and model the healing rate for different wound parameters (width, length, and area of wound); to analyse the relationship between wound healing rate (WHR), tree diameter growth and tree height growth; to analyse the WHR in relation to wound position on the stem; and to analyse the relationship between WHR, width and area of wound in DBH classes and social classes, with the aim of enabling the prognosis of logging wounds. Wounded beech trees were examined immediately after selective logging and after a 5-year period. The WHR was 31.2 ±7.7 cm2 year-1. The wound width healing rate (18.4 ±3.4 mm·year-1) was significantly higher than the wound length healing rate (4.5 ±1.6 mm·year-1). Only 12% of wounds were completely closed after a 5-year period, and 15 years are necessary for the complete closure of 80% of total wounds. The ratio of wound area to stem area at wound height (RWS) showed a more pronounced effect on diameter than on height. Regression analysis showed that WHR was correlated negatively with wound area and width and positively with tree diameter growth, but no significant relationship was found between height growth and WHR parameters. The WHR was significantly higher at an upper position than at a lower one, and statistical tests showed that the tree vertical layering classes had a significant effect on WHR. Finally, it was shown that WHRs in upper-storey trees are significantly higher than in the middle and lower storeys.
Źródło:
Drewno. Prace Naukowe. Doniesienia. Komunikaty; 2019, 62, 203
1644-3985
Pojawia się w:
Drewno. Prace Naukowe. Doniesienia. Komunikaty
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of surface fire on radial and height growth of Pinus sylvestris L. in forest-steppe in Ukraine
Autorzy:
Koval, Iryna
Sydorenko, Serhiy
Powiązania:
https://bibliotekanauki.pl/articles/2044108.pdf
Data publikacji:
2019
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
meteorological characteristics
height growth
radial growth
post-pyrogenic development of pine stand
Pinus sylvestris L.
percent of the late wood
Opis:
The article presents the results of the research on the peculiarity of response of Pinus sylvestris L. growth in height and diameter in young pine forest stand of the Left-Bank forest-steppe of Ukraine under the influence of surface fire that happened in May 2011. Forestry taxation, comparative ecology, standard dendrochronological methods were used. Response of trees was different for the height growth and the radial increment in the year of fire (2011). The radial growth got depressed in the year of fire; at the same time, the height of trees showed positive trend of growth against the background of favourable weather conditions. The growth in height was more ductile and completed its recovery to a particular level in 2014, unlike the radial growth, which recovered only in 2016. The relationships between radial growth on one side and stand sanitary state and height of bark char on the other were approximated by quadratic and cubic regression equations. Dynamics of pine growth depends on climatic factors also. Percentage of the late wood should be used to assess the condition of stands after fire. Research of post-pyrogenic development of forest ecosystems will allow more effective planning of forest management measures, and also allow the adjustment of the monitoring duration for pine forest stands damaged by fires.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2019, 61, 2; 123-134
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of silicon application on growth of spring wheat under organic farming
Wpływ stosowania krzemu na wzrost pszenicy jarej w systemie rolnictwa ekologicznego
Autorzy:
Kowalska, J.
Jakubowska, M.
Nowaczyk, R.
Powiązania:
https://bibliotekanauki.pl/articles/335735.pdf
Data publikacji:
2018
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Maszyn Rolniczych
Tematy:
plant height
growth
SPAD
yield
wysokość roślin
rozwój roślin
plon
Opis:
Application of silicon (Si) could greatly boost wheat yield and mitigate abiotic stress, especially drought. A field experiment was conducted during 2017- 2018 at the research farm. Evaluation of impact of different methods of application of two Si fertilizers on growth and parameters of yielding of wheat was made. The treatments consisted of the recommended dose of two used Si fertilizers – Adesil and ZumSil at 10 kg and 0,3 l·ha-1, respectively. Spring wheat cv. Arabella was used in the field experiments. The effect of silicon was assessed by measuring emergence, height of plants, density of spikes and the SPAD index. The number of plants emergence, the height of plants and density of spikes 1m-2 were the highest after application of liquid ZumSil, regardless of the method of application. The study revealed a significant effect of silicon on plant.
Zastosowanie krzemu (Si) może znacznie zwiększyć plony pszenicy i złagodzić stres abiotyczny, zwłaszcza suszę. Doświadczenie polowe przeprowadzono w latach 2017-2018 w gospodarstwie badawczym. Dokonano oceny wpływu różnych, trzech metod stosowania dwóch nawozów Si na parametry wzrostu i plonowanie pszenicy. Zabiegi obejmowały zalecaną dawkę dwóch różnych nawozów krzemowych stosowanych osobno - Adesil i ZumSil w dawce 10 kg i 0,3 l·ha-1, odpowiednio. W doświadczeniach polowych wykorzystano pszenicę jarą, odm Arabella. Wpływ nawozów w okresie wegetacji rośliny oceniano pod kątem ich wschodów, wysokości roślin i obsady kłosów. Liczba wschodów, wysokość roślin i obsada kłosów na ·m-2 były najwyższe po zastosowaniu płynnego ZumSil, niezależnie od metody aplikacji. Obserwacje potwierdziły znaczący wpływ krzemu na rośliny.
Źródło:
Journal of Research and Applications in Agricultural Engineering; 2018, 63, 3; 20-23
1642-686X
2719-423X
Pojawia się w:
Journal of Research and Applications in Agricultural Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tempo wzrostu wysokości i pierśnicy jodły pospolitej (Abies alba Mill.) w Beskidzie Niskim
Height and diameter growth rates of silver fir (Abies alba Mill.) growing in Beskid Niski mountains
Autorzy:
Bruchwald, A.
Dmyterko, E.
Niemczyk, M.
Łukaszewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/989756.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
drzewa lesne
jodla pospolita
Abies alba
wzrost roslin
wysokosc drzew
piersnice drzew
przyrost piersnicy
przyrost wysokosci
tempo wzrostu
Beskid Niski
height growth rate
diameter growth rate
spatial diversity of canopy layers
physical age
abies alba
Opis:
Silver fir is one of the main tree species of mountain and foothill forests in Poland that in optimal conditions forms pure stands with multi−layer structure. The study objective is to present differences in height and diameter growth rates of firs growing in upper stand layers and in the undergrowth. The research was conducted in 12 fir stands located in the Beskid Niski Mts. (southern Poland). In each stand height and diameter at breast height (dbh) were measured for 25 fir trees in order to develop a height curve. The first canopy layer included trees that were higher than ⅔ Hmax established from the height curve of the tree with the largest dbh. Height and diameter were measured on eight trees selected from the first canopy layer. An increment core was extracted at breast height in order to estimate the tree age. From the third canopy layer, which included trees higher than 2 m with dbh below 7 cm, five trees were selected. After cutting those trees, the length of the last ten branch whorls was measured. Five−year ring width measurements starting from the bark towards the pith were done at the stem cross−sections obtained at breast height. The number of rings was counted on remaining stumps. Height growth rate was defined as the height at the base age of 100 years (eq. 1). For the first canopy layer, the height growth rate was on average 31.8 m, while for the undergrowth it was 12.1 m. There was also large difference between diameter growth rate of the first stand canopy layer (55.7 cm) and undergrowth (18.3 cm). Both differences were significant at p=0.05. These discrepancies could result from low amount of light reaching the forest floor. The correlation between height and diameter growth rates and undergrowth tree age was negative in both cases. Long periods of shading result in smaller number of firs reaching the first canopy layer. Assuming that uneven−aged stand structure is optimal for that species, it should be characterized by a spatial variability (mosaic) of various canopy layers including even−aged patches with sparse canopy closure as well as gaps where fir regeneration will be initiated having favorable growth conditions.
Źródło:
Sylwan; 2015, 159, 10; 804-812
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tempo wzrostu wysokości dębu szypułkowego (Quercus robur L.) w dolnej warstwie drzewostanu sosnowego
Height growth rate of pedunculate oak (Quercus robur L.) in lower layer of Scots pine stand
Autorzy:
Paluch, R.
Powiązania:
https://bibliotekanauki.pl/articles/994087.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
hodowla lasu
odnowienia podokapowe
dab szypulkowy
Quercus robur
wzrost roslin
tempo wzrostu
modele wzrostu
pedunculate oak
height growth
undergrowth
Opis:
This study was carried out in north−eastern Poland in 20 Scots pine stands with well−developed lower layer of pedunculate oak. In each stand, 5 highest oak trees were selected. Basing on the stem analysis, a growth model for oak undergrowth in Scots pine stands was elaborated. It can be used for determination the height growth rate in relation to the age and height of oak. Obtained model was compared to the already existing one for oaks growing without canopy [Bruchwald at el. 1996]. Growth rate of undergrowth oaks was significantly delayed in the initial period by 20−30 years.
Źródło:
Sylwan; 2013, 157, 12; 909-916
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Struktura plonu i oddziaływanie na populację mątwika ziemniaczanego (Globodera rostochiensis) wybranych odmian gorczycy białej uprawianej w plonie głównym. I. Dynamika wzrostu roślin, kwitnienie i plon nasion
Yield structure of selected varieties of white mustard grown as main crops and their impact on the potato cyst nematode (Globodera rostochiensis). I. Dynamics of plant growth, flowering and seed yield
Autorzy:
Nowakowski, M.
Franke, K.
Powiązania:
https://bibliotekanauki.pl/articles/1201124.pdf
Data publikacji:
2013
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
gorczyca biala
uprawa roslin
odmiany roslin
wzrost roslin
dynamika wzrostu
wysokosc roslin
kwitnienie
nasiona
plony
oddzialywanie roslin
matwik ziemniaczany
Globodera rostochiensis
white mustard
plant cultivation
plant cultivar
plant growth
growth dynamics
plant height
flowering
seed
yield
potato cyst nematode
Opis:
W latach 2008–2010 przeprowadzono doświadczenia na stanowisku z piaskiem gliniastym lekkim. Badania miały na celu porównanie dynamiki wzrostu roślin i udziału roślin kwitnących w trzech terminach oraz plonu nasion i masy 1000 nasion dziesięciu odmian gorczycy białej uprawianych w plonie głównym. Odmiany gorczycy białej różniły się istotnie wysokością roślin, kwitnieniem, plonem nasion i masą 1000 nasion. Największym plonem nasion i wysokością roślin charakteryzowały się odmiany Accent, Concerta, Bardena i Radena. Najmniejszy udział roślin kwitnących zarejestrowano u odmian Sirola i Accent, a największą masę 1000 nasion określono dla odmian Accent, Concerta, Bardena i Rota. Lata badań miały istotny wpływ na wszystkie badane parametry. W 2009 roku, przy dużych opadach deszczu w maju i czerwcu, zarejestrowano największe plony nasion oraz najwyższe rośliny gorczycy białej.
In 2008–2010 experiments were carried out on the field with light loamy sand belonging to the Research Division of the Plant Breeding and Acclimatization Institute – National Research Institute in Bydgoszcz. The aim of the experiments was to compare ten white mustard varieties (Accent, Bamberka, Bardena, Barka, Concerta, Metex, Nakielska, Radena, Rota and Sirola), cultivated as the main crop. Observations according to plant growth dynamics and flowering were carried at three times. Yield of seed and 1000 seed weight were estimated after harvest. The varieties of white mustard differed significantly in terms of plant height, flowering, yield of seed and 1000 seed weight. The greatest height of plants and yield of seeds was obtained for the varieties Accent, Concerta, Bardena i Radena. The least share of flowering plants was found for varieties Sirola and Accent, and the greatest weight of 1000 seed – for Accent, Concerta, Bardena and Rota. The years of investigations had an influence on all the examined parameters. The largest yields of seed and the highest plants of white mustard were recorded in 2009 characterized with high rainfalls in May and June.
Źródło:
Rośliny Oleiste - Oilseed Crops; 2013, 34, 1
1233-8273
Pojawia się w:
Rośliny Oleiste - Oilseed Crops
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Retrospektywna analiza wzrostu i przyrostu drzew w 30−letnim drzewostanie jodły kalifornijskiej (Abies concolor Eng.)
Retrospective analysis of growth and increment of trees in 30−years−old stand of white fir (Abies concolor Eng.)
Autorzy:
Beker, C.
Flieger, K.
Turski, M.
Powiązania:
https://bibliotekanauki.pl/articles/994778.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
drzewostany sosnowe
sosna kalifornijska
Abies concolor
wzrost roslin
dynamika wzrostu
przyrost wysokosci
przyrost piersnicowego pola przekroju
przyrost miazszosci
white fir
growth
height
breast height diameter
basal area
volume
Opis:
The paper presents the results of the retrospective research on the height and diameter growth of trees in a 30−year−old white fir (Abies concolor Eng.) stand growing in the mixed broadleaved forest habitat in the Forest Experimental Station in Siemianice. The research concerned the volume and functionally related parameters including height, diameter at breast height and basal area.
Źródło:
Sylwan; 2012, 156, 12; 902-907
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Response of winter rapeseed to biostimulator application and sowing method. Part I. Field architecture elements
Reakcja rzepaku ozimego na stosowanie biostymulatorów oraz sposób siewu. Cz. I. Elementy architektury łanu
Autorzy:
Sikorska, Anna
Gugala, Marek
Zarzecka, Krystyna
Powiązania:
https://bibliotekanauki.pl/articles/2216783.pdf
Data publikacji:
2018
Wydawca:
Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
Tematy:
Brasscia napus L.
canopy lodging
growth bioregulators
plant density
plant height
sowing methods
stem thickness at the base
bioregulatory wzrostu
grubość łodygi u nasady
obsada roślin
sposoby siewu
ugięcie łanu
wysokość roślin
Opis:
Background. In plant production, reaching high and good quality yields of cultivated plants is achieved mostly thanks to the ability to counteract the occurrence of stress and the amendment of damage caused by stress . The aim of the study was to determine the effect of the applied biostimulator types and the sowing methods on the filed architecture elements of three winter rapeseed cultivars. Material and methods. Field experiment was carried out in years 2013-2016 at the Agricultural Experimental Station in Zawady (52o 03' N; 22o 33' E), which is part of the University of Natural Sciences and Humanities in Siedlce, Poland. The experiment was carried out in a split-split-plot design in three repetitions. The studied factors were: I – winter rapeseed cultivar: Monolit (open-pollinated), PR44D06 (restored hybrid of semidwarf growth type), and PT205 (restored hybrid of traditional growth type); II – sowing method: row sowing (row spacing 22.5 cm, sowing density 60 seeds per $1 m^2$), single-seed sowing (row spacing 45.0 cm, sowing density 40 seeds per $1 m^2$); III – types of the applied biostimulators: control (no biostimulators), Tytanit®, Asahi®SL, and Silvit®. Results. Research demonstrated significant effect of the applied biostimulator types and the sowing method on the biometric plant characteristics before harvest, such as: plant density, plant height, stem thickness at the base, first productive branch placement. The greatest plant height was found in the restored morphotype of traditional growth type and in the open-pollinated cultivar, whereas the highest first productive branch placement in cultivar PT205. Restored hybrids PT205 and PR44D06 were characterized by greater stem thickness at the base in comparison with the open-pollinated morphotype. Conclusion. Biostimulator Asahi SL had the greatest effect on plant density, plant height, stem thickness at the base, and first productive branch placement, whilst biostimulator Tytanit had the lowest effect. Applied bioregulator types did not affect canopy lodging. Sowing method significantly affected stem thickness at the base, although it did not significantly affect canopy lodging. Genetic factor did not determine plant number established before harvest or changes in canopy lodging. Diversified weather conditions in the study years affected the studied elements of field architecture.
Celem przeprowadzonych badań było określenie wpływu rodzajów stosowanych biostymulatorów oraz sposobów siewu na elementy architektury łanu trzech odmian rzepaku ozimego. Doświadczenie polowe przeprowadzono w latach 2013–2016 w Rolniczej Stacji Doświadczalnej Zawady (52 o 03' N; 22 o 33' E), należącej do Uniwersytetu Przyrodniczo-Humanistycznego w Siedlcach. Eksperyment przeprowadzono w układzie split-split-plot w trzech powtórzeniach. Badanymi czynnikami były: I – odmiana uprawna rzepaku ozimego: Monolit (populacyjna), PR44D06 (mieszańcowa zrestorowana o półkarłowym typie wzrostu), PT205 (mieszańcowa zrestorowana o tradycyjnym typie wzrostu); II – sposób siewu: siew rzędowy (rozstawa rzędów 22,5 cm, gęstość siewu 60 nasion na $1 m^2$), siew punktowy (rozstawa 45,0 cm, gęstość siewu 40 nasion na $1 m^2$); III – rodzaje stosowanych biostymulatorów: wariant kontrolny (bez stosowania biostymulatorów), biostymulator Tytanit®, biostymulator Asahi®SL, biostymulator Silvit®. Badania wykazały istotny wpływ rodzajów stosowanych biostymulatorów oraz sposobów siewu na cechy biometryczne roślin oznaczone przed zbiorem takie jak: obsada, wysokość roślin, grubość łodygi u nasady, wysokość osadzenia pierwszego rozgałęzienia produktywnego. Największą wysokość roślin stwierdzono w morfotypie zrestorowanym o tradycyjnym typie wzrostu i odmianie populacyjnej, zaś wysokość do pierwszego rozgałęzienia produktywnego u PT205. Mieszańce zrestorowane PT205 i PR44D06 cechowała większa grubość łodygi u nasady w porównaniu z morfotypem populacyjnym. Biostymulator Asahi SL wywierał największy wpływ na obsadę roślin, wysokość roślin, grubość łodygi u nasady, wysokość osadzenia do pierwszego rozgałęzienia produktywnego, zaś najmniejszy – Tytanit. Rodzaje stosowanych bioregulatorów nie determinowały ugięcia łanu. Sposób siewu istotnie kształtował grubość łodygi u nasady, jednak nie oddziaływał istotnie na ugięcie łanu. Czynnik genetyczny nie determinował liczby roślin oznaczonej przed zbiorem oraz zmian w ugięciu łanu. Wartości badanych elementów architektury łanu zależały istotnie od warunków klimatycznych panujących w latach prowadzenia doświadczenia.
Źródło:
Acta Scientiarum Polonorum. Agricultura; 2018, 17, 4; 205-214
1644-0625
Pojawia się w:
Acta Scientiarum Polonorum. Agricultura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przyrost i wzrost nadziemnej i podziemnej części podrostów jodłowych w Nadleśnictwie Piotrków Trybunalski
The increment and growth of above- and belowground part of the fir undergrowth in the Piotrkow Trybunalski Forest District
Autorzy:
Skrzyszewski, J.
Taranowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/1008941.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
Nadlesnictwo Piotrkow Trybunalski
hodowla lasu
drzewa lesne
jodla pospolita
Abies alba
podrost
czesci nadziemne
korony drzew
strzala drzew
czesci podziemne
system korzeniowy
przyrost drzew
przyrost wysokosci
wzrost korzeni
abies alba
root system
height
length
growth
increment
poland
Opis:
The objective of the research was to determine the relationship between the dimensions and increment of the aboveground (easy to determine) and the belowground biomass of fir undergrowth in different shelter conditions. In the examined samples, the length of taproots (DKp) up to the age of 30 was dependent on its increment during the first three years of development. Later years saw an intensified growth of taproots. However, the differences from the first years of growth did not compensate for the differences in the first years. Reduced DKp growth was observed in the group of seedlings incrementing to a height of less than 4 cm. The height increment of fir undergrowth at about 20 years of age should not be less than 20 cm. The growth of roots and aboveground parts depends on other factors. The growth of roots was related to the growth of aboveground parts only to a small degree. Under the conditions of suppression, the extremely poor height increment of firs was compensated by the development of the aboveground biomass. With a moderate height increment (sufficient light availability) root growth was more intense. No clear relationship was found between the development of taproots and horizontal roots.
Źródło:
Sylwan; 2010, 154, 07; 488-498
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
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