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33份烟草品种（系）抗TMV病鉴定与评价分析
烟草花叶病毒 抗性鉴定 聚类分析
2017/10/18
以33份烟草品种(系）为试材，烟叶苗期进行人工诱导接种TMV试验。以病情指数(D)和抗性指数(RI)为基础采用聚类法划分不同烟草品种的抗性分类，并对其进行鉴定与评价。结果表明：33份烟草品种(系)共可分为免疫和非免疫两大类群；病情指数和抗性指数在两大类群间均存在极显著差异(P<0.01)，在非免疫类群的3个亚类群间存在显著差异(P<0.05)。免疫类群包括延晒九号、延晒六号、延晒十号和SZ12-0...
Combining the botanical insecticides NSK extract, NeemAzal T 5%, Neemix 4.5% and the entomopathogenic nematode Steinernema feltiae Cross N 33 to control the peach fruit fly, Bactrocera zonata (Saunders)
entomopathogenic nematode Steinernema feltiae the peach fruit fly Bactrocera zonata
2015/3/1
Botanical insecticides based on azadirachtin and the entomopathogenic nematode Steinernema feltiae were evaluated for their control of the peach fruit fly, Bactrocera zonata. Laboratory bioassays dete...