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已读[53] 发布: 2013/07/04 21:29:40
药剂要选用无公害农药,特别是鲜食玉米如甜玉米、糯玉米,可用生物农药苏云金杆菌... ・铜梁七彩蚕茧吐“金”丝 ・武汉市建蚯蚓绿色循环生态链 ・“北鹿”安家福建...
已读[54] 发布: 2013/07/04 21:29:36
Delta Farm Press (blog) Bacillus thuringiensis , the insecticidal protein in Bt cotton, has been used for over 70 years, as a foliar spray early on and as a genetically-engineered enhancement more recently, with no side effects on humans. In the future, genetic engineering ...
已读[47] 发布: 2013/07/04 21:29:32
Agri News Miller said Bt or bacillus thuringiensis used in the GM process is simply a natural organism in the soil that has been used to repel certain agricultural for years. “Over 100 years ago, people first realized that organism was toxic to certain ...
已读[52] 发布: 2013/07/04 21:29:28
IRRI news (press release) Vegetable seeds improved, too, but best of all, farmers could throw away the most toxic pesticides because these seeds produced their own, borrowed from a harmless bacterium Bacillus thuringiensis , or BT for short. These vegetables earned the name  ...
已读[45] 发布: 2013/07/04 21:29:25
Star Community Newspapers Samara suggested using Bacillus thuringiensis israelensis, an organic bacterial mosquito control that is not harmful to humans or pets, as a larvicide. BTi, as it is commonly known, is available online and at many garden and hardware stores. "I used ...
已读[43] 发布: 2013/07/04 21:29:21
Dallas Morning News Bti ( Bacillus thuringiensis israelensis) won't hurt any vertebrates at all and few invertebrates — just fungus gnats and the larvae of mosquitoes and black flies. I'd apply it right away. I have been searching for an organic repellent for tiny indoor ...
已读[47] 发布: 2013/07/04 21:29:16
GMA News SEARCA tells the story of Bacillus thuringiensis , or BT, a bacterium present in soil. In 1901 it was discovered to have insecticidal properties. Because it is naturally occurring, it is considered an organic pesticide, and has been in popular use since ...
已读[46] 发布: 2013/07/04 21:29:02
Denton Record Chronicle The dunks contain bacillus thuringiensis israelensis, or BTI, a bacterium that kills mosquito larvae in standing water, said James Kennedy, a University of North Texas biology professor. Kennedy says he believes the dunks are more effective than spraying. and more »
已读[97] 发布: 2013/07/04 21:23:23
Visalia Times-Delta Another effective larvicide is the insect growth regulator (IGR) methoprene (e.g. Pre-Strike Torpedos). IGRs interfere with molting and also take a few days to kill, but they have a broader spectrum of activity affecting most juvenile insects and ... and more »
已读[260] 发布: 2013/07/04 18:50:05
SuburbanJournals Malathion, Acephate, Carbaryl, Chlorpyrifos , Imidacloprid and Permethrin are registered for use. Visit the Missouri Botanical Garden's Kemper Center for Home Gardening for advice, inspiration and information on a variety of gardening topics. The Garden ...
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