1) rape aphids
油菜蚜虫
1.
The dynamic change of the seed-coated infusion(SCI)to rape development and the controleffect of SCI to rape aphids were studied in this paper.
对油菜蚜虫的控制效应表现在种群死亡率增大、若虫期发育历期加大,成虫寿命、产仔率明显降低。
2) Rape aphid
油菜蚜虫
1.
The mechanism of 3 species of coexisting rape aphids was inquired into,on the basis of studying their space and time niche,At the same time,the niche theorywas applied to quantitative evaluation of the control effect of natural enemies.
从研究油菜蚜虫种群生态位出发,探讨了田间混合蚜群的竞争共存机制,并将生态位理论应用于天敌控制效应的定量评估上。
3) cabbage aphids
蔬菜蚜虫
1.
The tests on 2% octadecyl trimethyl ammonium chloride showed good result against the cabbage aphids.
绿清灵即2%十八烷基三甲基氯化铵可溶性粉剂,对蔬菜蚜虫具有较好的防治效果。
4) Lipaphis erysimi pseudobrassicae
油菜蚜
1.
Euphorbia wallichii paste was applied on larvae of Macrosiphum avenae,Lipaphis erysimi pseudobrassicae and Acleris ulmicola.
25~2)mg/mL喷雾,测定其对麦蚜、油菜蚜虫以及榆白长齿卷蛾幼虫的毒力。
5) aphides community structure
菜田蚜虫群落
6) vegetable aphids
大棚蔬菜蚜虫
1.
Preliminary studies on determination of supercooling temperature of Harmonia axyridis and control over vegetable aphids in plastic covering were conducted in shanghai during 1998 1999.
用异色瓢虫幼虫防治大棚蔬菜蚜虫 ,在瓢蚜比例为 1∶ 1 0 0时 ,可以不用打药而能有效地控制蚜
补充资料:“蚜虫”空空导弹
性能:aa-8(俄称r-60)空空导弹是前苏联研制的近程空空导弹,曾先后出口到26国家。
研制时间:60年代后期
服役时间: 1975
长:2.08米
体直径:13厘米
翼展:43厘米
发射重量:65千克
弹头:6千克高爆穿透
制导:红外
推进:固体发动机
射程:2公里, 5公里(r-60m)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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