搜索结果: 1-3 共查到“农学 bionomics”相关记录3条 . 查询时间(0.057 秒)
Occurrence, bionomics and harmfulness of Chrysomela populi L. (Coleoptera, Chrysomelidae)
Chrysomelidae Chrysomela populi
2015/3/3
In 2003 to 2005, Chrysomela populi L. gradated on yearly cut Populus nigra var. italica in street alleys
in Brno and elsewhere. Imagoes occurred on trees from the end of April or from the beginning ...
Bionomics and harmfulness of Tetraneura ulmi (L.) (Aphidinea, Pemphigidae) in elms
occurrence development mortality factors
2015/1/29
The paper deals with the bionomics and harmfulness of a common cecidogenous aphid Tetraneura ulmi L. (Pemphigidae) which showed outbreak in elms in Moravia in 2002. The majority of examinations was co...
A comparative study of the bionomics of Clavigralla tomentosicollis Stäl (Hemiptera: Coreidae) on three varieties of cowpea (Vigna unguiculata (L.) Walp)
Clavigralla tomentosicollis cowpea varieties pod-sucking bug
2011/1/10
Clavigralla tomentosicollis Stäl, is a notorious pod-sucking bug of cowpea in tropical agro - ecosystems. The improvement of cowpea grain yields by screening of cowpea lines for resistance to pod...