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- During the tobacco hardening period, bed of tobacco seedling was the falling target of alate aphids, and was the main resource of tobacco virus spread by aphids. 炼苗期烟草苗床是传毒介体有翅蚜着落的靶子中心 ,是烟田蚜传病毒病的主要初侵染源 ,为防治烟草蚜传病毒病的关键时期。
- 5.During the tobacco hardening period, bed of tobacco seedling was the falling target of alate aphids, and was the main resource of tobacco virus spread by aphids. 炼苗期烟草苗床是传毒介体有翅蚜着落的靶子中心 ,是烟田蚜传病毒病的主要初侵染源 ,为防治烟草蚜传病毒病的关键时期。
- 6.During the tobacco hardening period, bed of tobacco seedling was the falling target of alate aphids, and was the main resource of tobacco virus spread by aphids. 炼苗期烟草苗床是传毒介体有翅蚜着落的靶子中心 ,是烟田蚜传病毒病的主要初侵染源 ,为防治烟草蚜传病毒病的关键时期。
- alate aphids 有翅蚜
- Wind has little influence on sedentary aphids. 风对不动的蚜虫很少有影响。
- The young beetle larvae can eat hundreds of aphids. 而幼龄瓢虫则可吃掉数百只蚜虫。
- The EAG responses to 6 methyl 5 hepten 2 one, E 2 hexenol and methyl salicylate were significantly different between alate and apterous adult aphids of S. avenae. 麦长管蚜的有翅和无翅成蚜对 6 甲基 5 庚烯 2 酮、反 2 己烯醇和水杨酸甲酯的反应差异显著 ;
- Calculator ialah alat permainan awak. 哈哈，想起来自己都要笑。
- A field may be smothered with aphids. 一块田的植株可以被蚜虫盖满。
- Aphids can also spread crop diseases. 蚜虫还会导致农作物的疾病传播扩散。
- Aphids do fatal damage to the young shoots. 蚜虫对幼苗会造成极大危害。
- Adult lady beetles can eat fifty aphids a day. 成年瓢虫一天能吃掉50只蚜虫。
- She pinched the aphids off the rose. 她从玫瑰上抓走蚜虫。
- Aphids are destructive to vegetables. 腻虫为害蔬菜。
- Aphids are transmitters of plant diseases. 蚜虫是植物疾病的传播者。
- An aphid, especially one of the genus Aphis. 蚜属昆虫蚜虫，尤指蚜虫属昆虫
- The result showed six enzymes(GPI,PGM,G6 PDH,MDH,ALAT,ASAT). 采用IEF电泳,分别显示6种酶:GPI、PGM、G6PDH、MDH、ALAT及ASAT。
- Heavy rain or hail may dislodge many aphids from the plants. 大雨和冰雹可从植株上击落很多蚜虫。
- Producing offspring of only one sex,as some species of aphids. 单性繁殖后代的，如蚜虫的某些种类
- Producing offspring of only one sex, as some species of aphids. 单性繁殖后代的，如蚜虫的某些种类
