The aphid is now laying waste to the wheat and barley fields. 蚜虫正在毁掉一片片的小麦和大麦田地。
The reproduction rate of the aphid is influenced by nutrition. 蚜虫的繁殖率受到营养的影响。
Several species of ant domesticate a kind of insect called an aphid. 蚂蚁驯养的几种动物中有一种就是蚜虫。
Research on Mapping and Molecular Marker-assisted Selection of Sorghum Aphid Resistance Gene 高粱抗蚜基因的定位及分子标记辅助选择的研究
There was high homology of amino acid sequence between the cotton aphid and other insects. 由棉蚜该片段推导的氨基酸序列与其他昆虫的同源性较高。
Study of Effects of Potassium Levels on Phenolic and Lignin Metabolism of Wheat and Dynamic of Aphid Population 钾水平对小麦酚类物质、木质素代谢和接种蚜虫群体动态的影响
Aphid count on plants in fields do not correlate with virus spread in the same fields. 田间植株蚜数与同块田内病毒的扩散程度间无相关性。
This paper studies composition and characters of the aphid fauna of Hengduan Mountains Region. 研究了横断山区蚜虫区系的组成和特点。
This paper is the research about the biological properties of Paecilomyces cateniannulatus the quality to cause the Cabbage caterpillar and aphid infected and the mechanism of the infection. 本文通过对环链拟青霉生物学特性、环链拟青霉对菜青虫、蚜虫致病性及固体培养料筛选的研究。
He used aphid fecundity data to elucidate the theoretical effects of antibiosis on insect population dynamics. 他利用蚜虫繁殖力资料说明了抗生作用对虫口动态的理论效应。
The woolly aphid has a lanate coat resembling cotton. 绵蚜虫有像棉花一样的羊毛状外壳。
Since aphid population may become resistant to organophosphorus compounds, avoid excessive spraying. 因为蚜虫类对有机磷化物能产生抗性,所以要避免过多的喷洒。
There is adequate variability in plants to breed for resistance to certain aphid vectors. 植物有充分的变异性可用于培育对一些蚜虫介体的抗性。
Bright green aphid; feeds on and causes curling of apple leaves. 亮绿色的蚜虫;吃苹果叶并导致苹果叶卷曲。
Studies on Monitoring and Mechanism of Insecticide Resistance in Green Citrus Aphid 柑桔蚜虫抗药性监测及对啶虫脒抗性机理研究
The genetic cause and cure suggestion of soybean aphid in2004. 2004年大豆蚜虫大发生原因分析及防治建议。
Studies on Effect of Potassium on Phenolic Metabolism of Wheat and Its Relationship with Dynamic of Aphid Population 施钾对小麦酚类物质代谢的影响及其与蚜虫群体动态的关系研究
Preliminary Study on the Parasites and Hyper Parasites of Cole Aphid in Xining Region 西宁地区油菜蚜虫寄生蜂及重寄生蜂初步研究
Making method and skill of glass specimen of aphid were introduced. 介绍了蚜虫玻片标本的制作方法与技巧。
The dynamics of the soybean aphid Aphis glycines, fed on glabrous soybean and the pubescent soybean plant, was observed in the laboratory. 试验研究了大豆植株形态对大豆蚜的寄生和天敌捕食的影响。
Induction of Host Plants on Carboxylesterase and Acetylcholinesterase Activity in Green Peach Aphid 寄主植物对桃蚜羧酸酯酶和乙酰胆碱酯酶的诱导作用
In general an aphid cannot or hardly identify its host at a distance. 在一定距离以外,蚜虫通常不能或难以识别其寄主植物。
And it's bad for one species to be responsible for aphid control with no backup. 而且,只有一个物种负责蚜虫控制而没有替换物种也很不妙。
Scientists at Rothamsted Research have been monitoring the flying form of all aphid species for42 years. 科学家在洛桑的研究一直在监测的飞行形式的所有蚜虫物种42岁。
Effects of post-acquisition fast on cucumber mosaic virus transmission by the cotton aphid, Aphis gossypii; 结果表明获毒后的禁食时间与棉蚜传毒效率呈负相关。
Study on characteristics of hyperparasitic parasitism on aphid parasites in different tobacco plant positions 重寄生蜂对烟株不同部位僵蚜的寄生特点研究
The results suggested that the transgenic cotton SGK321 had control efficiency not only to the cotton bollworm, but also to some non-target pests, such as the cotton aphid and the tobacco whitefly. 研究表明,SGK321在对棉铃虫具有很好抗性的同时,对棉蚜、棉粉虱、绿盲蝽、小绿叶蝉等非靶标害虫的发生也有一定的抑制作用;
Among the most destructive enemies of the apple orchard are the codling moth, various species of mites, the woolly aphid, the apple maggot, the red-banded leaf roller, and scale insects. 庄稼损伤在苹果树的最破坏性的敌人之中是小蜘蛛的苹果蠹蛾、各种各样的种类,绵蚜、苹果蛆、红色被结合的卷叶蛾和介壳虫。
Study on Control Effect of 0.3% Soluble Matrine etc New Pesticides on Cotton Aphid in North Xinjiang 0.3%苦参碱水剂等新型药剂对北疆棉蚜防效的研究