刘建锋,赵丹阳
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广东省森林病虫害防治与检疫总站,投注app
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摘要: |
在广东省深圳市薇甘菊为害严重的地区设置样地,用18% 2,4滴微乳剂不同浓度进行除治试验,结果表明:400~800倍液为有效浓度,1 000~1 200倍液为有效低浓度。不同生境样地防除试验结果表明:在山坡林地带可选用400~600倍液,在丘陵植被地带和果树周边地带可选用500~800倍液,在水塘、水库、水源周边地带以及菜地、花卉、药材和植物保护区周边地带可选用800倍液以下的有效低浓度。
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关键词:
18% 2,4滴微乳剂〓薇甘菊〓化学防治
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DOI:
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分类号:
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基金项目:广东省林业科技计划“薇甘菊生态控制技术研究”(项目编号:200906)。 |
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Effect of 18% 2,4D Microemulsion on Controlling =Mikania micrantha |
Liu Jianfeng and Zhao Danyang
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Guangdong Academy of Forestry,Guangzhou
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Abstract: |
Different concentration of 18% 2,4D microemulsion were used to control Mikania micrantha in twentyone quadrats of 7 samples, which were located in Wulian village, Shenzhen city. The tests showed that: 400~800 ? was effective concentration, 1 000~1 200 ? was effective low concentration. Eighteen quadrats of 6 samples were choosed in Xianhu Plants and Buji village, Shenzhen, different densities of pesticides were used in every habit, the tests showed that: 400~600 ? pesticide were effective on hillside woods, 500~800 ? were effective on plants cover of hill region and fruit surrounding region, 800? were effective on water supply fields surrounding and vegetables, flowers, medicinal crops and plant protection surrounding region.
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Key words:
18% 2,4D microemulsion, Mikania micrantha, chemical control
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