微门户首页  新闻  讨论区  活动  博客  求职招聘  行业报告  圈内成员  供应   
已读[71] 发布: 2013/06/14 22:01:47
Valley Courier Livestock water tanks and ornamental ponds may be treated with Bacillus thuringiensis israelensis (Bti), a type of bacteria that kills mosquito larvae b...
已读[323] 发布: 2013/06/14 21:58:17
Press-Enterprise Sevin (carbaryl) is an effective pesticide for use on budworm as well as other chewing insects, but it is toxic to honeybees and must be applied frequently. The most environmentally friendly remedy is to use Bacillus thuringiensis (BT), a biological ...
已读[46] 发布: 2013/06/14 12:27:22
Anniston Star Otherwise, apply Sevin when an infestation is first detected. Repeat applications may be necessary as eggs hatch. Dipel insecticides ( Bacillus thuringiensis ) are effective against larvae. Spotted Cucumber Beetles These beetles damage cucumbers, melons,  ...
已读[54] 发布: 2013/06/14 12:27:07
St. Louis Beacon For instance, on the pest control side of the equation, much of the work in bioengineering focuses on building an organism known as bacillus thuringiensis (Bt) into the plant. The bacteria then produces a toxin that acts as an insecticide. However, Bt ...
已读[82] 发布: 2013/06/14 12:27:02
Sequim Gazette Next year, early in the season after the overwintering eggs hatch, Moulton recommends spraying with bacillus thuringiensis , a bacteria rather than a poison that's toxic to the larvae. Moulton said unless a tree already is distressed or is young, it ...
已读[78] 发布: 2013/06/14 12:26:44
The Malaysian Reserve Bacillus thuringiensis (or Bt) crops and food have another name. Because they are developed through recombinant DNA technology they are commonly called genetically modified (GM) crops or foods. They are also referred to as biotech crops. Since the  ...
已读[49] 发布: 2013/06/14 12:26:31
Alexandria Echo Press Several insecticides are registered for controlling forest tent caterpillars, including the biological insecticide, Bacillus thuringiensis var kurstaki (Btk), which makes up about 2 percent of the formula in Foray 48B. The DNR strongly recommends the ...
已读[154] 发布: 2013/06/13 19:12:56
Moab Times Independent Young larvae can be controlled with insecticidal soaps and horticultural oils and older larvae and adults can be controlled with commercial chemicals such as acephate, carbaryl and likely imidacloprid. There are also organic biorational or botanical ...
已读[55] 发布: 2013/06/13 08:13:39
但灭幼脲类和苏云金杆菌药物会影响桑蚕、蜜蜂、虾、蟹、蝗虫、蚂蚱、蝎子、土元等昆虫的生长发育。因此,飞防期间,上述养殖户和单位要提前做好准备工作,及时了解飞...
已读[63] 发布: 2013/06/13 08:13:35
6月12日,两架“空中拖拉机”,携带着对人畜没有伤害的特效药剂,在胶州市进行...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...
« 上一页  |   查看结果81-90共290   |  下一页 »

新闻标签:

没有标签


最新报告


求职招聘