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Wyświetlanie 1-15 z 101
Tytuł:
Weed flora of cereals in different farming systems.
Autorzy:
Zalai, Mihály
Domer, Zita
Powiązania:
https://bibliotekanauki.pl/articles/2199567.pdf
Data publikacji:
2010-06-01
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
careals
conventional farming
diversity
ecological farming
weed cover
weed flora
Opis:
Cereals are important crops all over the world. Cereals are grown on a quarter of cultivated land in Hungary. Cereals are competitive and thus they play a significant role in ecological farming. The most important species in the Hungarian ecological farms are winter wheat and spelt. Weed floras in ecological farming systems are different from those in conventional cropping systems. These differences are due to different cropping practices, including weed control and fertilization methods.Our goal was to determine how farming systems affected the weed flora. A 2500 ha ecological farm and a neighbouring conventional farm in south-eastern Hungary were surveyed four times during the season in 2007 and 2008. Effects of farming systems were assessed for weed cover, number of species, and Shannon’s diversity index.The ecological farm showed higher weed-cover than conventional farm. The differences were rather high in the inner areas and on the margins, too. Farming systems same differed in values of number of species. More species were found in ecological farm. The Shannon diversity showed significant difference only in the inner areas. The diversity of margins were similar...
Źródło:
Plant Breeding and Seed Science; 2010, 61; 15-24
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Fungal Communities on Spring Wheat Seeds From Different Environmental Conditions
Autorzy:
Wiewióra,, Barbara
Mańkowski, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/2199686.pdf
Data publikacji:
2018-12-20
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
fungi,
pathogens,
seed health
sowing material
Opis:
Seeds of ten cultivars of spring wheat from five different localized breeding stations were tested for seedhealth. The same seeds were sown in Radzików in field experiment and its seed health after harvest was evaluatedalso. The basic material of wheat was infected by numerous fungi: 36 fungal species belonging to 24genera and the most often occurred: Alternaria alternata, Epicoccum purpurascens, Fusarium spp.,Drechslera spp. and B. sorokiniana. It was found significant differences between cultivars for total fungioccurred on seeds, for seed infection by main pathogens (B. sorokiniana, Drechslera spp. and Fusariumspp.). Also seeds from breeders were strongly infected by these pathogens in comparison to seeds harvested infield experiment in Radzików. 
Źródło:
Plant Breeding and Seed Science; 2018, 77; 3-13
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Postęp w technologii uprawy rzepaku w różnych rejonach świata
Progress in oilseed rape cultivation technology in different regions of the world
Autorzy:
Wojtowicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/832936.pdf
Data publikacji:
2007
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Źródło:
Rośliny Oleiste - Oilseed Crops; 2007, 28, 2
1233-8273
Pojawia się w:
Rośliny Oleiste - Oilseed Crops
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of different cropping conditions, depth of burial, age of seeds, and allelopathic effect of different crops on the germi-nation behavior of little seed canary grass (Phalaris minor Retz.) seeds
Autorzy:
Prabhakar, Sivapuram Venkata Rama Krishna
Yaduraju, N. T.
Dadlani, Malavika
Gopal, M.
Powiązania:
https://bibliotekanauki.pl/articles/2199653.pdf
Data publikacji:
2012-04-19
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
allelopathic effect
anaerobic conditions
crop residues
depth of burial
germination
membrane permeability
rice-wheat cropping system
Opis:
Pot culture experiments were conducted to find out the effect of different cropping conditions, depth of burial and age of seeds on the survival of little seed canary grass (Phalaris minor Retz.) seeds. The results indicated that the soil temperature modifications through the flooding or filed capacity moisture status of the soil influenced the germination and viability of the buried weed seeds rather than the crops per se. It was observed that the seeds lost their viability because of the anaerobic conditions and high temperatures and through increased membrane permeability of the seeds. The P. minor Retz. seeds were found to be sensitive to anaerobic conditions. The longevity of seeds buried in rice-wheat system and Flooding-wheat system was found low when compared to those buried under soybean-wheat and field capacity-wheat conditions. The in situ effect of rainy season (kharif) crops was found to confine to influencing the initial germination (vigor) of the little seed canary grass with cowpea, groundnut, soybean and sunflower inhibiting the initial germination of little seed canary grass. This inhibition was absent at the end of germination counts taken after twenty days after keeping for germination. The residual effect of cowpea, rice, soybean and sunflower was observed. The application of pearl millet and rice residues has considerably reduced the little seed canary grass germination, plant height, seedling fresh weight and leaf area at thirty days after sowing.
Źródło:
Plant Breeding and Seed Science; 2012, 65; 99-112
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Trwałość olejów rzepakowych tłoczonych na zimno z nasion o zróżnicowanej jakości
Stability of cold pressed oils from the rapeseed of different quality
Autorzy:
Rotkiewicz, D.
Konopka, I.
Powiązania:
https://bibliotekanauki.pl/articles/833023.pdf
Data publikacji:
1998
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Źródło:
Rośliny Oleiste - Oilseed Crops; 1998, 19, 2
1233-8273
Pojawia się w:
Rośliny Oleiste - Oilseed Crops
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Innowacyjność i optymalizacja procesów przygotowania i sprzedaży ziemniaków w różnych segmentach rynkowych
Innovation and optimalization of preparation processes and selling potato in different market segments
Autorzy:
Nowacki, W.
Powiązania:
https://bibliotekanauki.pl/articles/835130.pdf
Data publikacji:
2018
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Źródło:
Ziemniak Polski; 2018, 28, 3
1425-4263
Pojawia się w:
Ziemniak Polski
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Response to black root rot (Thielaviopsis tabacina Ferr.) of several flu-cured tobacco (Nicotiana tabacum L.) genotypes in different testing environments.
Autorzy:
Berbeć, Apoloniusz
Trojak-Goluch, Anna
Powiązania:
https://bibliotekanauki.pl/articles/2198802.pdf
Data publikacji:
2001-12-20
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Opis:
Several breeding lines and tobacco varieties were tested for degree of resistance to black root root caused by the fungus Thielaviopsis basicola. The entries in the study represented an array of forms from fully resistant to very susceptible. Artificial black root rot testing included „chlamydospore test” performed at cotyledonary stage and testing at post-transplant stage by either planting 5-leaf plants in black-root rot inoculated soil or immersing their roots in inoculum suspension prior to transplanting. The results were compared with those from a naturally infested field with two levels of the disease. The most inconsistent results were obtained from the chlamydospore test which failed to differentiate between different levels of tolerance of black root rot. It could only be used to make distinction between fully resistant and the remaining entries. Testing at the post-transplant stage showed, with one exception a rather good fit with the results from the field study, especially when transplants were transferred to pre-inoculated soil. Although the general order of response to black root under field conditions was similar regardless of disease severity, some varieties were more sensitive than others to an increased level of black root rot in the soil.
Źródło:
Plant Breeding and Seed Science; 2001, 45, 2; 11-20
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmienność nasion różnych typów odmian lnu zwyczajnego Linum usitatissimum L.
Variability of seed characteristics in different types of cultivars of common flax Linum usitatissimum L.
Autorzy:
Kluza-Wieloch, M.
Powiązania:
https://bibliotekanauki.pl/articles/833860.pdf
Data publikacji:
2014
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Opis:
Celem pracy było wykazanie zmienności morfologicznej różnych typów odmian lnu zwyczajnego. Przebadano nasiona czterech odmian: oleistej, włóknistej pośredniej i ozdobnej. Doświadczenia prowadzono w latach 2005 i 2008, różniących się warunkami pogodowymi. Analizowano wielkość nasion oraz ich liczbę w torebce i MTN. W latach badań największe nasiona miała odmiana ozdobna, cechowała się też ona najmniejszą ich liczbą. U wszystkich typów odmian długość, szerokość i liczba nasion były podobne, natomiast grubość i MTN osiągnęły znacznie większe wartości w 2008 roku, pomimo suszy przypadającej na wschody lnu oraz w okresie jego dojrzewania. Spośród badanych cech nasion najbardziej zmienną była ich liczba w torebce.
The aim of the study was to show morphological variation in seeds of different types of common flax cultivars. Four cultivars were analysed: oil-bearing, fibrous, intermediate and ornamental. Field experiments were conducted in two growing seasons, in 2005 and 2008, differing in weather conditions. The experiments were conducted in Poznań, in 3 replications for each cultivar. Seed length, width and thickness, as well as the number of seeds in the capsule and 1000 seed weight were analyzed. A total number of 30 such measurements were taken for each of the replications. The biggest length, width and thickness of seeds were found for the ornamental cultivar in both years of the experiment. The fibrous cultivar always had the shortest seeds. Different distributions were found for the other two parameters depending of the year of the study. The number of seeds per capsule was always the smallest in the ornamental cultivar. In the first year of the study it was the biggest in the fibrous cultivar and in 2008 – in the oil-bearing cultivar. The biggest 1000 seed weight was found each year for the ornamental cultivar, while the smallest, in the first year – in the fibrous cultivar, and in the next year – in the intermediate cultivar. In 2008, despite drought experienced during the emergence of flax plants and in the time of ripening, on average more seeds were formed in capsules. The mean of 1000 seed weight was also higher. The length and width of seeds were less variable traits in the second year of the study, while the other parameters were characterized by better stability in the first year. Among the investigated seed characteristics the seed number per capsule was the most variable.
Źródło:
Rośliny Oleiste - Oilseed Crops; 2014, 35
1233-8273
Pojawia się w:
Rośliny Oleiste - Oilseed Crops
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Source-sink relationships and grain weight at different positions within wheat spike.
Autorzy:
Chanda, S.V.
Singh, Y.D.
Powiązania:
https://bibliotekanauki.pl/articles/2198848.pdf
Data publikacji:
2002-12-22
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
grain growth rate
grain filling duration
source-sink
Triticum aestivum
Opis:
The response in growth and final weight of grains from basal, middle and apical spikelets to increases in assimilate availability was studied by modifying source-sink relationships during the grain growth period in a wheat cultivar Lok-1. The source-sink relationship was altered in 1500 plants by removing spikelets in various positions i.e. either apical, middle or basal spikelets were pinched off on the day of anthesis. The final grain weight, grain growth rate and grain filling period (duration) was significantly affected by increasing the source capacity per grain by trimming i.e. removing some spikelets. The final grain weight was positively significantly correlated with grain growth rate while it was significantly but inversely correlated with grain filling duration. A clear effect of position of grain in spikelet and its (spikelet) position on the spike could be visualized. The results imply that there is a possibility that the availability of photosynthates is limiting and does not fully satisfy grain growth requirements. It is suggested that in this cultivar during post-anthesis period, grain yield is source limited.
Źródło:
Plant Breeding and Seed Science; 2002, 46, 2; 67-73
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reliability of different parameters to estimate relative foliage blight resistance and its relation to maturity in potato
Autorzy:
Darsow, Ulrich
Hansen, Jens G.
Powiązania:
https://bibliotekanauki.pl/articles/2198953.pdf
Data publikacji:
2004-12-20
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
breeding
foliage blight
methods
potato
Phytophthora infestans
resistance
Opis:
A comparative study of different parameters calculated for foliage resistance of potato to Phytophthora infestans (Mont.) de Bary was conducted on the data for 27 cultivars and one prebreeding clone in field assessment in 2003 at BAZ Groß Lüsewitz. Relationships between the parameters and maturity were determined by linear regression. The strongest associations with maturity were found for the relative area under the disease progress curve (RAUDPC), delay of attack, and attack on a determined date (r2 = 0.47-0.52). The least association with maturity was found for foliage blight resistance at Groß Lüsewitz, FBRGL (r2 = 0.03), calculated by using a maturity-dependent section of the disease progress curve. The apparent infection rate (AIR), RAUDPC and delay of attack could only explain below 50% of variability of FBRGL. The method for calculation of foliage resistance in breeding developed at BAZ and named FBRGL is described in detail, and the usefulness of the different methods for evaluation of resistance, management of plant protection and breeding is discussed.
Źródło:
Plant Breeding and Seed Science; 2004, 50; 81-93
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Poszukiwanie markerów RAPD różnicujących linie rzepaku ozimego o różnych cechach chemicznych
Search for RAPD markers polymorphic between winter oilseed rape lines having different chemical characteristics
Autorzy:
Matuszczak, M.
Krzymanski, J.
Powiązania:
https://bibliotekanauki.pl/articles/833591.pdf
Data publikacji:
1999
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Źródło:
Rośliny Oleiste - Oilseed Crops; 1999, 20, 2
1233-8273
Pojawia się w:
Rośliny Oleiste - Oilseed Crops
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Epidemiological Effects of Combining Different Sources of Leaf-Rust Resistance in Winter Rye Synthetics
Autorzy:
Wilde, K.
Miedaner, T.
Geiger, H. H.
Powiązania:
https://bibliotekanauki.pl/articles/2198917.pdf
Data publikacji:
2003-12-21
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
epidemiological effects
leaf rust
resistance
rye synthetics
Secale
Opis:
Economically important rye (Secale cereale L.) cultivars are highly susceptible to leaf rust caused by Puccinia recondita f.sp. secalis in Germany. Presently, only race-specific resistances are available, which are likely to lose their effect after prolonged application. To study possibilities of increasing the durability of resistance, a three-year field experiment was initiated in 2000. Seventeen differential lines, three susceptible standards, 30 segregating populations with one to four resistance sources and two full-sib families were grown at six locations under a high level of natural infection. All segregating populations were significantly more resistant than the susceptible standards. The resistance level, however, was under these conditions moderate only. The two full-sib families from Russia showed high resistance. Strong genotype × location interactions were observed indicating different race compositions of the local leaf rust populations.
Źródło:
Plant Breeding and Seed Science; 2003, 48; 99-103
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Occurrence of ergot in seed lots of grasses harvested in different regions of Poland
Autorzy:
Wiewióra, Barbara
Prończuk, Maria
Powiązania:
https://bibliotekanauki.pl/articles/2199032.pdf
Data publikacji:
2006-06-22
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
Claviceps purpurea
Festuca rubra
grass seeds
Lolium perenne
Poa pratensis
size of sclerotia
Opis:
The ergot (Claviceps purpurea) incidence in seed samples of Poa pratensis, Lolium perenne, L. multiflorum, Festuca rubra and F. pratensis cultivars originating from different regions of grass cultivation in Poland was detected in 1999 – 2002. Each year, about hundred twenty cultivars of different species were tested. It was found that number of seed replaced by sclerotia significantly varied and depended on the year of seed harvest, species and cultivar tested and region of grass grown for seed. The highest level of Claviceps purpurea sclerotia almost for all grass species was detected in 1999. The highest number of seed replaced by sclerotia was found in sowing material of Poa pratensis for all years of testing. Ergot in seed lots of L. multiflorum and F. pratensis were detected at trace levels. Differences in susceptibility to Claviceps purpurea among cultivars were observed. However, significant variation in occurrence of ergot sclerotia were noted for the same cultivar harvested in different region of Poland. It was found that size of sclerotia depended on the host - grass species and the year of seed harvest. Significant differences  were noted particularly in the length and weight of sclerotia.
Źródło:
Plant Breeding and Seed Science; 2006, 53; 53-62
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of water stress on germination of yarrow populations (Achilleaspp.) from different bioclimatic zones in Iran
Autorzy:
Shanjani, Parvin Salehi
Izadpanah, Masoumeh
Mohamadpour, Mohamad Reza
Powiązania:
https://bibliotekanauki.pl/articles/2199733.pdf
Data publikacji:
2013-12-19
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
germination
polyethylene glycol
water potential
Yarrow
Opis:
The effects of water potential on germination were studied in 18 wild populations of three yarrow species (Achillea tenuifolia, A. vermicularis and A. filipendulina) from different bioclimatic zones in Iran. Water potential between 0 and -0.6 MPa were obtained using polyethylene glycol 6000 (PEG-6000) solutions. The study of water stress on germination showed that, regardless of the species and the populations, the lowering of the water potential reduced the capacity for germination and early seeding growth. These results indicated a strong genetic potential for drought tolerance during germination within each species. These differences in germination ability of wild populations of each species might be attributed to intraspecific variations resulting from the effects of natural selection and genetic pool background.
Źródło:
Plant Breeding and Seed Science; 2013, 68; 39-54
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic variability in N, P, K utilization efficiency in spring wheat at different concentration of nutrient solutions.
Autorzy:
Oracka, Teresa
Ciepły, Jan
Kozdój, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/2198778.pdf
Data publikacji:
2000-12-20
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
spring wheat
genetic variability
nitrogen
phosphorus
potassium utilization efficiency
Opis:
From the ecological and economic points of view it is necessary to change agricultural practice towards low- input cultivation systems. This requires breeding of new cultivars with improved utilization efficiency of mineral nutrients. The response of fifty spring wheat cultivars representing different origin and years of release (from 1990 to 1996) to different concentrations of the Hoagland nutrient solution was investigated under controlled conditions (climatic chamber). A wide variability in N, P, K contents, their utilization efficiency and production of dry matter was found among wheat cultivars at the shooting phase of plant development at all nutrient concentrations applied. The variability coefficient decreased with the increasing concentration of Hoagland solution. Old Polish cultivars (released 1900 – 1960) and most of the intermediate cultivars (released 1961 – 1980) showed high of N, P, K utilization efficiency. The modern cultivars (released after 1981) showed either high or low N, P, K utilization efficiency. This efficiency was determined by dry matter (r= 0.94 - 0.98) and N, P, K contents (r= 0.62 - 0.94). The majority of spring wheat cultivars showed almost linear response of the evaluated parameters to increased nutrient concentration in Hoagland solution. It was been proved that genetic variability of N, P, K utilization efficiency can be assessed as early as at shooting phase.
Źródło:
Plant Breeding and Seed Science; 2000, 44; 15-25
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 101

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