棉铃虫

The study aimed to explore the toxicity of Bacillus thuringiensis LY30 to cotton bollworm.

［目的］研究苏云金芽孢杆菌LY30菌株对棉铃虫的毒性作用。

The role of bioassay method in study of relationship between insect and plant volatile as well as the biological significance of attraction of Pterocarya stenoptera to cotton bollworm were discussed.

讨论了生测方法在研究昆虫与植物气味关系中的作用以及萎蔫的枫杨叶气味引诱棉铃虫的生物学意义。

The results showed that GK-2 and GK-12 strains possessed high resistance to cotton bollworm in the whole growing season .

1997～1998年在河北省廊坊市和1998年在河南省新乡市分别研究了转CryIA Bt抗虫基因棉花GK-2、GK-5和GK-12对棉铃虫的抗性水平。

The cotton bollworm, Helicoverpa armigera, is one of the most destructive pests of cotton and threats the economic production of cotton seriously.

棉铃虫Helicoverpa armigera是棉花上最主要的害虫之一，其发生与危害严重影响棉花的生产。

The primary culture was improved by the addition of nature hemolymph collected from 5th-stage bollworm larvae.

对棉铃虫幼虫神经细胞进行了离体培养，并建立了其体外培养的实用方法。

However, due to have had drug-resistant cotton bollworm, the role of pesticides unlikely, but serious damage to the ecological environment, and harmed the physical and mental health of farmers.

然而，由于棉铃虫产生了抗药性，农药的作用微乎其微，反而严重破坏了生态环境，损害了棉农的身心健康。

Cotton bollworm and pink bollworm are the main components of insect-resistant identification procedures in the regional cotton variety trial.

棉花品种区域试验中的抗虫鉴定主要对象是红铃虫和棉铃虫。

MAINLY ON COTTON BOLLWORM,CABBAGE MOTH,ORIENTAL TOBACCO BUDWORM,CABBAGE WORM AND THE EGGS,WITHOUT ANY POLLUTION.

据对全国2000多万亩棉花防治结果的调查，连续使用3年此类农药的棉田，棉铃虫的危害基本被自行控制。

Planting resistant cotton varieties, agricultural and chemical control are important measures of integrated management of cotton boll worm.

本文提出适合江西棉区推广应用的棉铃虫综合治理措施，包括种植抗虫棉、农业防治、化学防治等。

It is reported in this study that (1) two high enzyme-yeilding strains TK54 and T12 have been screened from four choleterol-secrecting experimental strains, he supernatant of which have been tested for insecticidal activity with the results showing that cholosterol oxidase can strongly inhibit the vigor of cotton boll worm.

本研究从4个分泌胆固醇氧化酶的实验菌株中，筛选出两个高产酶菌株TK54和T12，用其上清进行杀虫实验发现，胆固醇氧化酶具有较强的抑制棉铃虫生长的活性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。