wheat aphid

wheat aphid的基本解释

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麦蚜虫

与wheat aphid相关的网络例句 [注：此内容来源于网络，仅供参考]

The resistance mechanism of wheat to insects includes tolerance, nonpreference and antibiosis. The dissertation investigates the wheat mechanism, indicators and standard of resistance to aphid and analyses the relation between four kinds of second substance and the wheat resistance to aphid and research the effect of wheat varieties on carboxylesterase and glutathione-s-transferase according to the tests of three mechanism, the content of second substance and the activity of relative detoxification enzyme.

本文通过不同小麦品种的不选择性、抗生性、次生物质含量及麦长管蚜体内有关解毒酶活性的测定，进一步探讨了小麦的抗蚜机制，探索了小麦的抗蚜指标及鉴定标准；研究分析了小麦中4种重要的次生物质含量与小麦抗蚜性的关系；测定了不同小麦品种对麦长管蚜羧酸酯酶和谷胱苷肽-S-转移酶的影响。

70S in the 20th century the lower reaches of the Yellow River has started to move with helping to control the cotton and wheat aphid, 90 during the beginning of artificial propagation, and for the production.

七星瓢虫是鞘翅目瓢虫科的捕食性天敌昆虫，在我国各地广泛分布。20世纪70年代在黄河下游已开始用助迁法防治棉花和小麦蚜虫，90年代开始人工繁殖，并用于生产。

The results of field trial showed that 4 pesticides gave good control effect against wheat aphid ,Macrosiphum avenaeF.

田间试验结果表明，四种杀虫剂对小麦蚜虫均有较好的防效。

Although the reasonable biodiversity in wheat fields could control the population of wheat aphid effectively, but the spatial distribution did not change.

麦田合理生物多样性可以有效控制麦长管蚜种群的增长，但并不能改变其种群格局的变化趋势。

With the improvement of irrigation conditions on cornfield and changes of agricultural ecosystem, wheat aphid cause more losses than ever in wheat productivity.

近年来，随着麦田水肥条件的改善和农业生态环境的变化，麦蚜虫害日趋加重。

与wheat aphid相关的网络解释 [注：此内容来源于网络，仅供参考]

wheat aphid：麦蚜

麸皮:Wheat bran | 麦蚜:wheat aphid | 籽粒:Wheat