Wszystkie pola: weed species - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: „Flax specialists” – weed species extinct in Poland ?.
Autorzy:: Heller, Krzysztof
Powiązania:: https://bibliotekanauki.pl/articles/2199569.pdf
Data publikacji:: 2010-06-01
Wydawca:: Instytut Hodowli i Aklimatyzacji Roślin
Tematy:: flax specialist
fibre flax
weed community
Opis:: The results of a research on segetal weed communities in fibre flax in Poland are presented, with respect to different regions of cultivation, and changes in the level of infestation during the past forty years. Observations on composition and abundance of weed infestations were made in fields in six experimental farms at the Institute of Natural Fibres and Medicinal Plants. The observations conducted in the period 1967-2008 did not show the occurrence of weed species from the group of so-called “flax specialists”: Lolium remotum Schrank, Spergula arvensis L. subsp. maxima (Weiche) O. Schwarz, Camelina alyssum (Mill.) Thell. and Cuscuta epilinum Weihe Ex Boenn. In Poland, weed populations in fibre flax consist of species typical for cereals and root crops: Chenopodium album L., Polygonum convolvulus L., Viola arvensis Murr., Stellaria media Vill., Lamium amplexicaule L., Thlaspi arvense L., Elymus repens (L.) Gould. and Polygonum nodosum Pers...
Źródło:: Plant Breeding and Seed Science; 2010, 61; 35-40
1429-3862
2083-599X
Pojawia się w:: Plant Breeding and Seed Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Rare and endangered segetal weed species in the Silesian Upland (s Poland) recorded in the last twenty years.
Autorzy:: Węgrzynek, Beata
Nowak, Teresa
Powiązania:: https://bibliotekanauki.pl/articles/2199573.pdf
Data publikacji:: 2010-06-01
Wydawca:: Instytut Hodowli i Aklimatyzacji Roślin
Tematy:: apophytes
archaeophytes
andangered weeds
red-listed taxa
southern Poland
the Silesian Upland
Opis:: The paper presents a list of the rarest endangered segetal weeds recorded in the Silesian Upland during the previous two decades (1989-2009) with threat categories as well as their distribution concentration map. In the area researched, fifty red-listed taxa (i.e. species, subspecies, and forma) considered to be endangered on a regional and/or national scale were recorded. Thirty-five of them constitute the group of the rarest species (up to 20 localities in the studied area). Lythrum hyssopifolia (included in the Polish Red Data Book of Plants), Adonis aestivalis, Anagallis foemina, A. arvensis fo. azurea, Filago arvensis, Fumaria parviflora, F. rostellata, F. schleicheri, Kickxia elatine, Misopates orontium, Saxifraga tridacylites are among the most interesting segetal weed species noted in the study area. Archaeophytes are the most dominant; however, there is also a remarkable group of apophytes. One species, i.e. Portulaca oleracea is a_kenophyte, while Fumaria parviflora has the status of an ephemerophyte in Polish flora. In the northern part of the Silesian Upland (mesoregions the Tarnowskie Góry Ridge and the Chełm) and in the north-eastern part (the Jaworzno Hills) the concentration of the analyzed species localities corresponds to the presence of calcium-rich rendzina soils as well as to the traditional agricultural methods still commonly applied in that area. A decrease in the number of stands of a vast majority of calcicolous weeds including the character species of the Caucalidion lappulae alliance was observed. Moreover, the analysis of relationship between some environmental factors and the endangered species by using CCA was tested...
Źródło:: Plant Breeding and Seed Science; 2010, 61; 75-84
1429-3862
2083-599X
Pojawia się w:: Plant Breeding and Seed Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Threat to arable weeds in Poland in the light of national and regional red lists.
Autorzy:: Bomanowska, Anna
Powiązania:: https://bibliotekanauki.pl/articles/2199572.pdf
Data publikacji:: 2010-06-01
Wydawca:: Instytut Hodowli i Aklimatyzacji Roślin
Tematy:: arable flora
categories of threat
Polska
red list
threatened species
weed
Opis:: The objective for the study is to present the current threats of arable weeds in Poland. The analysis was conducted on the Polish red lists of arable species (3 national and 22 regional and local) prepared in the period 1994-2008. A total of 105 weeds have been considered as weeds threatened in Poland. All regional and local red lists included a joint total of 184 taxa. The particular regions have between 13 and 95 threatened taxa. The species most frequently appearing in the listings are: Agrostemma githago, Bromus secalinus and Camelina microcarpa. Five taxa (Bromus arvensis, Camelina alyssum, C. sativa, Cuscuta epilinum, Spergula arvensis subsp. maxima) are considered extinct on the national scale, while in the individual regions this number ranges from 1 to 15. A relatively high share is allocated on many regional and local red lists to taxa with an indeterminate level of threat. The conducted comparison shows that there is an urgent need to compile similar listings for the remaining areas of Poland, making it possible to create an updated and real listing of threatened weeds. At the same time, it is necessary to update the existing red lists and to adopt more precise quantitative criteria for the threat estimation, in accordance with the estimation parameters introduced by the IUCN and currently in force...
Źródło:: Plant Breeding and Seed Science; 2010, 61; 55-74
1429-3862
2083-599X
Pojawia się w:: Plant Breeding and Seed Science
Dostawca treści:: Biblioteka Nauki

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