蚜虫

Alternation of sexual and parthenogenic generations, as in some aphids.

世代交替双性与单性生殖交替进行，如一些蚜虫中

Aphids belong to Diptera insect pests; they damage plants directly by sucking juice of phloem, and indirectly by spreading plant disease. The plant lectins are proteins that bind reviviscence to specific mono- or oligosaccharides; therefore they have potential in plant genetic engineering.

本研究还克隆了植物凝集素基因，以解决棉花蚜虫的危害问题，蚜虫属同翅目昆虫，通过吸取植物韧皮部的汁液造成直接危害，又通过传播植物病害对植物造成间接危害，植物凝集素是一类具有特异糖结合活性的蛋白，在植物基因工程中具有较大的应用潜力。

In addition this study suggested that the wheat variety 98-10-30 and Batis had the same resistance when no aphids fed on them. However, the variety 98-10-30 had better resistance for S. graminum, and the variety Batis had better resistance for S. avenae when they were fed by aphids. The variety Amigo had better resistance for S. graminum under all situations.

同时明确了3个品种对两种蚜虫的抗性状况，即在前期无蚜虫危害时，品种98-10-30和Batis对两种麦蚜的抗性相当；在前期有麦蚜危害时，品种98-10-30对麦二叉蚜的抗性较好，而品种Batis对麦长管蚜的抗性较好；品种Amigo无论在任何处理下均对麦二叉蚜的抗性较好。

We gained the Buchnera groEL gene of Schizaphis graminum, and Rhopalosiphummaize biotype through this study , and have done a primary study of expression. Based on this study, we can further probe the role during aphid transmission of Buchnera GroEL and utilize them through the ways of genetic engineering.

蚜虫内共生菌Buchnera groEL基因的获得、初步的原核表达研究以及GroEL蛋白抗血清的制备，为进一步研究GroEL蛋白在蚜虫传毒中的作用方式和位点以及在基因工程途径的利用打下了基础。

Among the nuclear genes, sequences of EF-1α are used most widely, and they are fit for studying the phylogenies at genus or higher levels; nuclear rDNAs are used less in aphids' phylogeny analysis, LWO is a new marker developed in aphids, and both of them are applicable for higher-level taxa above family..

核基因中EF-1α应用最广泛，适用于探讨属级及属以上的问题；核rDNA在蚜虫中应用较少，18S rDNA适用于探讨科级以上高级阶元的问题；LWO是新近在蚜虫中开发使用的一个新基因。

The fungal infection was almost undetected in mummified aphids at 5 or 7 days after A.

接菌后的寄生蜂对蚜虫寄生率几乎无影响，但寄生蜂在蚜虫体内的存活时间缩短了27.8%。

If green peach aphids were grafted on the green cabbage,they developed and reproduced most rapidly.(2) If turnip aphid and green peach aphids were grafted on the tomato,they could not survive.

经黄色诱蚜，探求桃蚜和萝卜蚜的迁飞高峰规律看出，两者在一年中的迁飞高峰分别为5月中旬和11月中旬，同时曾采用多种颜色对两种蚜虫趋性的测定，其中以乳鸭黄诱得的蚜虫数最多。

Asian citrus psyllids and in the Citrus Aphis citricola both the phloem feeding insects, but insect feeding behavior of two significant differences, in addition to two kinds of insects share a common EPG wave (A wave, B wave, C wave, E1 wave, E2 wave, G wave), the wave of Aphis citricola appeared in the path of many pd wave, pd wave is aphids in plant cells in the epidermis during exploratory puncture the cell membrane caused by feeding, which kind of contact information on the intracellular selection in the aphid host plant play an important role in the process.

求中文翻英文翻译，很急，谢谢亚洲柑桔木虱和绣线菊蚜在沙田柚上都为韧皮部取食性昆虫，然而，两种昆虫的取食行为有明显差异，除了两种昆虫拥有共同的EPG波形（A波、B波、C波、E1波、E2波、G波）外，绣线菊蚜在路径波中出现很多pd波，pd 波是蚜虫在植物表皮层细胞的试探性取食时刺破细胞膜而产生的，这种对胞内信息的接触在蚜虫选择宿主植物的过程中起了重要作用。

Through the experiment, which of 9%anti- aphid tiny milk acts for methylto prevention and cure wheat aphid with the sulphur and phosphorous, explicit its prevention and cure result to the wheat aphid , attain the purpose to act for methyl to the high poisonous organic phosphorous agrochemical.

通过9%抗蚜威微乳剂防治小麦蚜虫试验，明确了它对小麦蚜虫的防治效果，达到替代甲基对硫磷等高毒有机磷农药的目的。

Bt crystal proteins were then added to the diet to test their toxicity to the aphid, thereby providing a reliable method for bioassaying Bt with aphids.

然后将Bt菌株伴胞晶体蛋白加入到该全纯饲料，测定其对蚜虫的毒力，从而为Bt对蚜虫毒力的生物测定发展了一套可靠的方法。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。