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1)  transgenic Bt cotton
转Bt基因抗虫棉
1.
Research on the economic threshold of cotton plant bugs to transgenic Bt cotton;
转Bt基因抗虫棉棉盲蝽防治指标研究
2.
Changes in diversity of culturable microorganisms on leaf surface of transgenic Bt cotton;
转Bt基因抗虫棉叶面可培养微生物多样性的变化
3.
Using transgenic Bt cotton straw and non-transgenic cotton straw to deal with the same kind of soil,and the activities of polyphenol oxidase,cellulase and toxin in soil were determined at different stages.
转Bt基因抗虫棉秸秆和非转基因棉花秸秆分别处理同种土壤,在不同时期分析土壤多酚氧化酶、纤维素酶活性及土壤毒素的变化。
2)  Bt cotton
转Bt基因抗虫棉
1.
Changes in microbial flora and bacterial physiological group diversity in rhizosphere soil of transgenic Bt cotton;
转Bt基因抗虫棉根际微生物区系和细菌生理群多样性的变化
2.
Choosing Bt cotton of Hebei province as study object, the ecological risks, such as transgene escape, resistance of the insect pests and so on and food safety of Bt cotton were analyzed.
以河北省的转Bt基因抗虫棉为研究对象,分析了Bt转基因抗虫棉在杂草化、转基因逃逸、害虫产生抗药性等方面给生态带来的风险,以及在食用安全方面的潜在风险。
3.
Based on a survey involving 245 small cotton farming households from 6 counties in Hebei province,effects of using Bt cotton and non-Bt cotton varieties was analyzed.
对河北省6个县245个农户两年的问卷调查材料为依据,对种植转Bt基因抗虫棉和非抗虫棉品种的效果以及不同基因来源、不同代数的转Bt基因抗虫棉品种的成本和收益进行了分析比较。
3)  Bt transgenic cotton
转Bt基因抗虫棉
1.
Anti-feeding activity of Bt transgenic cotton to cotton bollworm and its possible mechanisms.;
转Bt基因抗虫棉对棉铃虫拒食作用及其机理研究
2.
The insect community feature in two types of cotton fields with boll-worm resistant varieties(Bt transgenic cotton) of DP99B, 20B and 1560BG, and the conventional varieties(non-Bt cotton) of E-za-mian NO.
选用3个转Bt基因抗虫棉品种DP99B、20B、1560BG和2个非抗虫棉对照品种鄂杂棉1号、湘杂棉2号,比较研究了不同棉花群体中昆虫群落结构特征。
3.
With conventional cotton cultivar-Sumian 16 and Yumian 1, Bt transgenic cotton cultivar-Kemian 1 and Kemian 4 as the testedmaterial, the populations of major pests and predations at early and full flowering periods were investigated.
以常规棉苏棉16、渝棉1号和转Bt基因抗虫棉科棉1号、科棉4号为试验品种,调查了初花期和盛花期2种类型棉田主要害虫和天敌的种群数量。
4)  transgenic Bt pest resistant hybrid cotton
转Bt基因抗虫杂交棉
1.
Selection indices of lint cotton yeild of transgenic Bt pest resistant hybrid cotton were analysed.
对转Bt基因抗虫杂交棉皮棉产量的选择指数进行了分析。
5)  Bt gene anti-insect cotton
Bt基因抗虫棉
1.
Through analysis of variance,correlation and path on several main characteristics of 15 narrow sub Bt gene anti-insect cotton hybrid species that result show: the character change of the yield of cotton lint,the bolls of a cotton plant,lint percentage,boll weight of 15 narrow sub Bt gene anti-insect cotton that it is extremely notable.
通过对15个转Bt基因抗虫棉杂交种几个主要性状进行方差分析、相关分析、通径分析,结果表明:15个半合子Bt基因抗虫棉皮棉产量、铃数、衣分、铃重差异显著。
6)  Transgenic Bt cotton
转Bt抗虫棉
补充资料:Bt(BT)杀虫剂
分子式:C22H32N5O16P
分子量:653
CAS号:

毒性LD50(mg/kg):对人、动物和植物无毒。
性状:黄褐色固体。
用途:本品是优质微生物杀虫剂,不污染环境,对农、林、果树及观赏植物的鳞翅目害虫具有良好的防治效果,特别适于无公害蔬菜种植园、园林绿化区、自然保护林及优质粮棉生产基地施用,对抗性很强的小菜蛾(吊丝虫)、棉铃虫仍有明显效果。 100亿活芽孢/g可湿性粉剂的防治对象及其用量:水稻纵卷叶螟、稻苞虫等,1500~6000g制剂(下同)/ha;高粱、玉米的玉米螟等,3750~4500g/ha;大豆、甘薯的天蛾,1500~2250g/ha;棉花的造桥虫、棉铃虫等,1500~7500g/ha;茶树的茶毛虫等,1500~7500g/ha;烟草的烟青虫,3750~7500g/ha;白菜、萝卜、青菜的小菜蛾、菜青虫,1500~4500g/ha;枣树的尺蠖,3750~4500g/ha;苹果树的果蛾等,2250~3750g/ha;柑桔树的柑桔凤蝶,2250~3750g/ha;梨树的天幕毛虫等,1500~3750g/ha;林木的尺蠖、柳毒蛾、松毛虫等,2250~7500g/ha。 100亿活芽孢/ml悬浮剂的防治对象及用量:林木的松毛虫、尺蠖、柳毒蛾,150~200倍液喷雾;白菜、青菜、萝卜的菜青虫、小菜蛾,1500~2250g制剂(下同)/ha,喷雾;棉花的棉铃虫、造桥虫,3750~6000g/ha,喷雾;高粱、玉米的玉米螟,2250~3000g/ha,加细砂灌心叶;水稻的螟虫、稻苞虫,3000~6000g/ha,喷雾;烟草的烟青虫,3000g/ha喷雾;茶树的茶毛虫,3000g/ha喷雾;苹果、梨、桃、枣树的食心虫、尺蠖,以200倍液喷雾。 1600IU/mg可湿性粉剂的防治对象及用量:甘蓝的小菜蛾,450~1050g制剂/ha;棉花的棉铃虫,1875~3750g制剂/ha.
制备或来源:纯菌种试管培养,28~30℃、24小时;然后菌种扩大培养,28~30℃、24~48小时;进而进行发酵罐培养,28~30℃、37~59小时;所得发酵液经过滤、干燥等处理即得。
备注:能与大多数杀虫剂、杀菌剂混用。 乳剂用前摇匀,棉铃虫在卵高峰期施药,加少量洗衣粉可提高粘力,保存在干燥、通风处,桑园禁用。
类别:杀虫剂


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