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Effects of Transgenic Bt Rice on the Population Development of Nephotettix cincticeps;

转Bt基因水稻克螟稻对黑尾叶蝉种群增长的影响

t The impacts of two Bt transgenic rice lines TT9-3 and TT9-4 both of them contain a heterozygous gene of crylAb + crylAc from Bacillus thuringiensis, on the field population dynamics of Sogatella furcifera and Nephotettix cincticeps, as well as dominant spider species were evaluated.

结果表明,Bt稻与亲本对照(IR72)田间白背飞虱和黑尾叶蝉成虫的虫口密度在整个水稻生育期间无显著差异,而若虫密度有一定的不同。

The virus is transmitted by Nephotettix cincticeps in a circulative, persistent manner.

该病毒可由黑尾叶蝉(Nephotettix cincticeps)作为昆虫介体,它是一种经卵以持久方式传播的病毒。

The toxicities of chlorfenapyr against Mythimna separata,Spodoptera litura,Pluttella xylostera,Pieris rapae,Nephotettix cincticeps,Aphis fabae,Tetranchus urticae,Musca domestica were assayed in lab.

在室内测定了溴虫腈对粘虫、斜纹夜蛾、小菜蛾、菜青虫、稻黑尾叶蝉、蚕豆蚜、棉红蜘蛛及家蝇等害虫害螨的的毒力。

Toxicities and synergistic mechanisms of parathion methyl, fenvalerate and their binary mixture Jiaqing (10∶1) were studied against oriental armyworm Mythimna separata Walker, black bean aphid Aphis fabae Scopoli and rice leafhopper Nephotettix cincticeps (Uhler).

研究了甲基对硫磷、氰戊菊酯及其混剂 (1 0∶1 )对 3种重要农业害虫粘虫、豆蚜和稻黑尾叶蝉的毒力及其增效机理。

The Macropsinae leafhopper genera Oncopsis and Pedionis are studied and one new species of each genus is described and illustrated in this paper, which are Oncopsis furca and Pedionis mecota spp.

记述横皱叶蝉属和尖尾叶蝉属各1新种——叉端横皱叶蝉Oncopsis furca, 长面尖尾叶蝉Pedionis mecota, spp。