There is now unambiguous evidence that wherever genetically modified insect-resistant cotton and maize are grown, insecticide applications have been reduced-by up to 80%.
充分的证据表明，在种植抗虫转基因棉花和玉米的地区，杀虫剂的使用减少了80%。
But so far, no one has found an insect-resistant cowpea or a Striga-resistant maize plant.
但到目前为止，还没有人找到一种抗虫害的豇豆或者抗杂草的玉米品种。
The problems and obstacles remained in the research and utilization of resistant rice varieties to insect pests and the prospects of varietal resistance to insect pests in rice were discussed.
还讨论了水稻抗虫品种的研究与应用中仍然存在的难题和障碍，并展望其发展前景。
Well, the problem with this explanation is these healthy yellow cedars are generally much more resistant to insect infection than other tree species.
这个解释的问题在于黄杉相对于其他树种来说其实有更强的抵御害虫侵袭的能力。
The result showed that: 1. These transgenic insect-resistant cotton after introducing different exogenous gene have different resistance to boll-worm because of distinct killing mechanism;
研究结果表明：1导入不同外源基因的转基因抗虫棉因其杀虫机理不同而对棉铃虫抗性存在差异；
It has a very strong resistant capability, especially to drought, salt, freezing, plant diseases and insect pests.
该属内植物对逆境具有较强的抗性，尤其是对于干旱、盐碱、高寒和病虫害等有较强的抵抗能力。
It is important to cultivate poplar that can resist insect. Transgenic technology has become main means to improve the quality of insect-resistant of present plant by creating new varieties.
利用转基因技术培育抗虫杨树新品种已成为当前植物遗传改良的重要手段。
At present, inbred lines of transgenic insect resistant maize with selective marker gene removed are in separating and inbreeding program assisted by DNA marker detection.
目前，正结合进行田间分离纯合和DNA分子鉴定，培育去除选择标记基因的转基因抗虫玉米自交系。
An insect resistant maize plant produced by the method of claim 14.
用权利要求14的方法产生的抗虫玉米植株。
An insect resistant maize plant produced by the method of claim 14.
用声明14的方法产生的抗虫玉米植株。
The insect-resistant varieties make their own insecticide, a property meant to reduce the need for chemical sprays.
植入抗虫基因的作物会自行制造杀虫剂，因此可望减少化学药剂的喷洒。
The insect-resistant genetic engineering provides a new and effective way of controlling tobacco pests.
抗虫基因工程为烟草害虫防治提供了一条新的有效途径。
This article discussed the mechanism and influent factor of insect-resistant engineering with plant endophyte.
本文着重论述了内生菌的抗虫机制及其影响因素。
Breeding and growing insect-resistant cultivars are the most economic and effective approach to control cotton insect pests.
培育和种植抗虫棉是控制棉花害虫最为经济、有效益的途径。
The isolation of the rhizosphere soil microorganism of transgenic 741 poplar containing two insect-resistant genes was studied with the gradient dilute method.
应用稀释平皿分离法对转双价抗虫基因741杨的根际土壤微生物进行了分离研究。
An analysis was given to the ingredient of five transgenic insect-resistant glandless cotton, which were named KW1, KW2, KW3, KW4 and KW5 by the Cotton Institute of Agriculture University of Hebei.
通过对河北农业大学棉花遗传育种室培育的转基因抗虫无色素腺体棉花新品系KW1、KW2、KW3、KW4、KW5的营养成份进行测定。
Therefore, the results provided an important reference to select study indicators and the selecting and breeding of insect-resistant pedigree.
因此，本文结果对选取考察指标及其抗虫品系的选育提供了重要的参考价值。
Our galvanized insect screening enjoys good property of flexible, corrosion resistant, easy cleaning and keeping forms.
我厂生产的镀锌窗纱价格合理，具有韧性好、耐腐蚀、易清洁、不易变形等特性。
One stable line resistant to corn borer had been selected in the progeny of maize regenerated plants, further molecular test and feeding-insect test are going on.
玉米再生植株种植田间后在其后代中选出一抗玉米螟的稳定株系，尚需进一步的分子验证和饲虫实验。
One stable line resistant to corn borer had been selected in the progeny of maize regenerated plants, further molecular test and feeding-insect test are going on.
玉米再生植株种植田间后在其后代中选出一抗玉米螟的稳定株系，尚需进一步的分子验证和饲虫实验。
应用推荐