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已读[146] 发布: 2013/07/04 20:44:21
如有翅果大漆斑病发生,可用敌菌灵50%可湿性粉剂500倍液进行喷雾,每7天一次,连续喷3至4次可有效控制住病情。(作者单位系任丘市华北油田华美综合服务处)(来源:园林...
已读[34] 发布: 2013/06/22 15:16:49
千龙网讯 5月24日北京市植保站与北京市气候中心联合发布“抓紧挑治露地蔬菜害虫”电视预报,建议各蔬菜产区对虫株率≥15%,且距采收10天以上田块采用除虫菊素、印楝素、阿维菌素、吡虫啉等环保型农药进行防治。同时,清除杂草,摘除虫量多,功能丧失的底叶;收获后彻底清洁田园,...
已读[32] 发布: 2013/06/22 15:16:42
和讯网 千龙网讯5月24日北京市植保站与北京市气候中心联合发布“抓紧挑治露地蔬菜害虫”电视预报,建议各蔬菜产区对虫株率15%,且距采收10天以上田块采用除虫菊素、 印楝素 、阿维菌素、吡虫啉等环保型农药进行防治。同时,清除杂 ...
已读[34] 发布: 2013/06/22 15:16:31
四川在线南充频道 2013年张驰在中国科技核心期刊《四川林业科技》上发表论文《竹织叶野螟危害对毛竹叶片次生物含量的影响》,在中国林业核心期刊《防护林科技》上发表论文《 印楝素 乳油对蜀柏毒蛾的防治效果研究》。两篇专业论文的发表,得到 ...
已读[34] 发布: 2013/06/22 15:15:55
Michigan State University Extension Organic options including azadirachtin products and surround are marginally effective. Growers choosing to use kaolin clay should remember that good coverage is key and those considering pyrethroids or neonicotinoids should be aware that these products  ... and more »
已读[80] 发布: 2013/06/19 22:18:04
Lynchburg News and Advance Among them are imidacloprid, permethrin, bifenthrin , cypermethrin and azadirachtin, derived from the neem tree. Q. I planted an ornamental double blossom cherry tree three years ago and it has a trunk diameter of four inches. Today I noticed a problem ...
已读[34] 发布: 2013/06/16 05:28:56
中国食品商务网 千龙网讯5月24日北京市植保站与北京市气候中心联合发布“抓紧挑治露地蔬菜害虫”电视预报,建议各蔬菜产区对虫株率15%,且距采收10天以上田块采用除虫菊素、 印楝素 、阿维菌素、吡虫啉等环保型农药进行防治。同时,清除杂 ... and more »
已读[32] 发布: 2013/06/14 17:27:41
在政府引导下,科技创新引领企业健康快速发展的一幕正在明光市火热上演――永言水产冷冻淡水鱼糜精深加工及产业化运用项目已入围国家级星火计划、天骄科技印楝素凹凸棒...
已读[32] 发布: 2013/06/14 17:23:49
Santa Rosa Press Democrat Neem oil is slightly toxic to fish and other aquatic organisms. Azadirachtin , a component of neem oil, is moderately toxic to fish and other aquatic animals. It is important to remember that insects must eat the treated plant to be killed. Therefore ...
已读[155] 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 ...
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