搜索结果: 1-2 共查到“grass seed”相关记录2条 . 查询时间(0.078 秒)
Effect of Some Factors on the Incidence of Choke (Epichloë typhina) in Grass Seed Stands in the Czech Republic
Dactylis glomerata Phleum pratense
2015/3/9
Choke of grasses caused by Epichloë typhina occurred in 2008 and 2009 in more than 25% of grass seed stands of
timothy (Phleum pratense and P. nodosum); a lower incidence was reported in orchar...
Occurrence of biotic harmful agents in Czech grass seed production (1995–2004)
grass seed weeds diseases pests external conditions
2015/2/6
In the years 1995–2004 the spectra of weeds, diseases and pests in grasses grown for seed in the Czech Republic were examined and the effect of external factors on their changes was assessed. The spec...