查询词典 pest

This pest has one generation per year. The larva overwintered in the soil, and pupated at the last ten days of March to the first ten days of April in the soil layer of 3-10cm under the ground. The pupal period ranged from 12 to 17 days.

此虫一年一代，以幼虫在土中越冬；翌年3月下旬至4月上旬在3—10厘米土层内化蛹，蛹期12—17天；4月中、下旬成虫出土上树取食桑芽和叶片，交尾后2—7天产卵在枝顶及春季剪梢口下段等处，每头雌成虫产卵44—205粒，卵期15—19天；初孵幼虫入土取食植物。

The result showed that the pest developed 7-8 generations per year and overwintered in leaf roll with larvae form in Fuzhou;the egg dura tion last 7.5 days,larva 15.4 days,pupa 7.5 days,preoviposition 1.7 days, the whole generation lasted 31.9 days when raised under 24.2 ℃ of indoor temerature during spring;and the whole generation was 24.8 days when raised under 28 .6℃ of indoor temperature during autumn.

室内自然变温下饲养：春季日均温在24.2℃时，卵期7.5 d、幼虫期15.4 d、蛹期7.3 d、产卵前期1.7 d，全世代历期共31.9 d；秋季日均温在28.6℃时，全世代历期为24.8 d。在福州地区龙眼园年发生7-8代，以幼虫在叶包中越冬。

Godrej, one of India"s oldest groups, which is involved in everything from padlocks to pest management, saw cellphone companies sell millions of new handsets a month in India"s rural backwaters and wanted in on the action.

Godrej是印度历史最悠久的集团之一，业务涉及从锁头到害虫防治等各个领域。该公司看到手机企业每个月在印度的农村贫困地区售出数百万部新手机，因此希望加入这个行列。

The use of recombinant PIs and synergistic activation to protect plants has been incorporated in integrated pest management program.

多种蛋白酶抑制剂重组，协同保护植物的方法，已成为害虫综合防治计划的一部分。

The use of recombinant PIs and synergistic activation to protect plants had been incorporated in integrated pest management program.

多种蛋白酶抑制剂重组，协同保护植物的方法，已成为害虫综合防治计划的一部分。

Propylaea japonica is one of important predatory natural enemies in arid and semi-arid area China, especially those preying on younger larvae and eggs of insect pest in orchards and cotton fields.

龟纹瓢虫Propylaeajaponica是我国干旱、半干旱地区农林果蔬生产中重要的捕食性天敌之一，尤其在夏季高温、干旱的情况下，对果园、棉田的幼龄害虫和卵的捕食作用非常明显。

The effect of transgenx Bt cotton on non-target insects The kinds of the dominant species of pests in transgenic cotton field had obvious change, in which the H. armigera was no longer the main pest and the piercing-sucking pests such as Aphis gossypii, Tetranychus urticae, Thrips tabaci etc. rose the main pests. The kinds of the dominant species of predatory natural enemies seemed to be no variation, which was still Propylaea japonica Thunberg. Because of the effect of transgenic Bt cotton on H. armigera laevae-the development delay, the weight reduction, which affected the qualities of parasitic enemies, leading to the reduction of the weight of cocoon and the weight of adult, and the reduction of H.

转Bt基因棉对节肢动物群落整体结构及时序变化的影响 2001保铃棉与冀抗668的相似系数最高(0.8246)，冀抗668、保铃棉与常规防治的相似系数依次0.6459、0.5829，保铃棉和冀抗668与常规不防治的相似系数为0.5669、0.4485.2002 年与冀杭668的相似系数最高(0 。6887)，保铃棉和冀抗668与常规防治相似系数为0.4739、 0.3828，保铃棉和冀抗668与常规不防治的相似系数为0.3124、0.3999，此结果表明，两转Bt 基因棉田节肢动物群落的整体结构一致，相似性较大，与常规防治相比，相似系数有所降低，表明常规功治棉田中人为控制因素对节肢动物有一定影响；转Bt基因棉对节肢动物群落有一定影响，但并不显著。

Recently, controversy on the use of chemicals in pest control is hot because some vector-born diseases reemerging, environment pollution going worse and resistance developing higher.

近年来，由于某些虫媒传染病发病率回升，加之所产生的环境污染及昆虫抗性等原因，对化学防制提出了一些不利的评价。

This can be achieved by regularly using pest control, shampooing the pets, and vacuuming the house thoroughly.

这可以通过定期使用虫害防治，洗头的宠物，吸尘的房子彻底。

Slugs are a terrible pest in a garden - particularly if you are growing for eating.

毛毛虫可是花园里讨人厌的害虫-特别是如果你打算在花园里种些蔬菜的话。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。