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已读[68] 发布: 2013/06/13 08:13:31
除灭幼脲外,本市飞防增加了无公害药剂的种类,增加了苏云金杆菌(BT)10万亩和美国白蛾核型多角体病毒类5万亩。其中,美国白蛾核型多角体病毒主要在桑蚕区使用。...
已读[80] 发布: 2013/06/13 08:13:26
The Hindu He said that while all mosquito-control strategies such as source reduction, fogging, and indoor residual spraying were being used by Cuba, the use of Bacillus thuringiensis israelensis (Bti), a bio-larvicide, had been particularly successful in ...
已读[80] 发布: 2013/06/13 08:13:21
Michigan State University Extension At that time, a bacterium, Bacillus thuringiensis 'Kurstaki' (BtK), was used as an aerial spray over infested woods, reducing damage and gypsy moth populations while allowing other biological controls to develop. Overtime, birds started to feed on ...
已读[84] 发布: 2013/06/13 08:13:17
Kansas Watchdog In an average spring and summer, more than 200 seasonal workers and 55 full-time staff form a swat team that treats some 275,000 acres of habitat with bacillus thuringiensis serovar israelensis, or Bti, an environmentally friendly pellet and liquid ...
已读[83] 发布: 2013/06/13 08:13:11
Science 2.0 Since 1996, farmers across the world have planted more than a billion acres of genetically modified corn and cotton that produce insecticidal proteins from t...
已读[81] 发布: 2013/06/13 08:13:07
Reading Chronicle The Agency used Bacillus thuringiensis (Bt), which is derived from a naturally occurring micro-organism, to treat the infestation because it is harmless to almost all other species of animal. However, it still closed the woodlands at Herridge's and ...
已读[91] 发布: 2013/06/13 08:13:01
Fox News Bacillus thuringiensis , or BT powder, is a safe and natural bacteria that will kill off caterpillars, but leave your plants unharmed. Simply sprinkle some over the infested plants and let the bacteria do the rest. The Invaders. It starts with a single ...
已读[83] 发布: 2013/06/13 08:12:56
agprofessional.com They evaluated field monitoring data for resistance to crops engineered to produce insecticidal proteins derived from Bacillus thuringiensis . The Bt...
已读[81] 发布: 2013/06/13 08:12:51
Independent Online The paper delves into a key aspect of so-called Bt corn and cotton - plants that carry a gene to make them exude a bacterial protein called Bacillus thuringiensis , which is toxic to insects. Publishing in the journal Nature Biotechnology, US and French  ...
已读[534] 发布: 2013/06/13 08:12:47
Winfield Daily Courier Online The bacterium Bacillus thuringiensis subsp. kurstaki is active on young caterpillars; however, the active ingredient must be consumed to be effective, so thorough coverage of all plant parts and frequent applications will be required to avoid having to ...
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