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已读[82] 发布: 2013/06/07 18:46:14
Denver Post Use a product with Bt ( Bacillus thuringiensis ) in water features, bird baths or other breeding sites to prevent mosquito larvae growth. Look for the Bti or israelensis strain for mosquitoes. Other strains of Bt work against other insects including ... and more »
已读[108] 发布: 2013/06/07 18:46:08
LaGrange Daily News For organic controls, treat the ground with Bacillus thuringiensis (Bt) or Milky Spores. Bt is a naturally occurring soil bacterium typically used as a microbial insecticide. Bt products include Dipel, Biotrol and Thuricide. Milky spore is the common ... and more »
已读[76] 发布: 2013/06/07 18:46:04
Mason City Globe Gazette At this stage, you might have some success spraying infested plants with a product containing Bacillus thuringiensis (Bt), widely available at garden centers. Toxic only to caterpillars and harmless to other creatures, Bt must nevertheless be used with ...
已读[89] 发布: 2013/06/07 18:45:56
al.com (blog) The corn and soybean that has been used along the migratory flyways of the Southeast have included seed into which genes of the Bacillus Thuringiensis (Bt) has been inserted. Bt is a bacterium found in soil that becomes a biological pesticide. It has ...
已读[44] 发布: 2013/06/07 02:52:59
Moab Times Independent There are also organic biorational or botanical pesticides that are recommended. Those include spinosad, Bacillus thuringiensis (Bt) variety tenebrionis or San Diego strain – not the strain used on caterpillars and azadirachtin – is also showing ...
已读[81] 发布: 2013/06/06 20:59:45
McMurray Almanac Some cotton plants are engineered to produce bt toxin – Bacillus thuringiensis , a biological pesticide. Seeds from these cotton plants are then presse...
已读[86] 发布: 2013/06/06 20:59:41
Blanco County News ... of pecan trees and other shade trees. Open the webs with a long pole or saw. Insecticides will not enter the web unless it has been broken open, or try to prune out the limbs that the web is built around. Spray with B.T., Bacillus Thuringiensis , a ...
已读[78] 发布: 2013/06/06 20:59:33
Times-Standard Spray with Bacillus thuringiensis for worm and caterpillar problems. WATER -- Last month's late rain was a gift, but now it is time to get serious about watering. Newly planted fruit trees, berries and vegetable gardens need a good soaking at least ...
已读[146] 发布: 2013/06/06 20:53:41
BioNews Texas The main line of defense at this time is to use pyrethroid insecticides that have been applied to bed nets. ... DDT is a synthetic organic compound known as dichlorodiphenyltrichloroethane, which is toxic if swallowed or absorbed through the skin. The ... and more »
已读[278] 发布: 2013/06/06 15:29:37
Los Angeles Times Now they want to insert other genes into plants to make them more nutritious, resistant to drought or able to capture nitrogen from the air so they require less fertilizer , among other useful traits. "There's no mystery here," said UCLA plant ... and more »
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