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Most countries have faced strong challenges to implementing comprehensive control measures.
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| | In this paper 97 diseases and 59 speces of pests of flowers from Guizhou flower gardens were identificated. The occurrence of the diseases and pests was sumed up in 7 types and the reason of occurrence, the present control methods and IPM systems were also investigated and evaluated. | | 本文叙述贵州园林花卉病害97种,虫害59种,病种害发生分为7种类型,并就发生原因,提出了综合治理的措施。 | | 文摘来源 | | Describes the biology, damaging characteristics and its regularity of occurrence of Stathmopoda masinlssa on fruits of kaki persimmon. Anintegrate control project was preposed based mainly on the silvicultural methods, i. e: scarifying soils under the tree crowns, and fertilizing, preper pruning and scraping off the rough outer bark; trapping and killingoverwihtered muture larvae; Picking the damaged fruits; and spraying with insecticides. Experimental application on damaged areas about 3100 ha withthe abov... | | 本文对柿蒂虫(Stathmopoda masinissa Meyrick)生物学、发生规律作了观察记载。提出以垦复树盘、保墒施肥、合理修剪等营林措施为基础,实施“刮、诱、摘、喷”4项综合治理措施。通过3年大面积推广应用,使虫果率由治理前的23.8%下降到治理后的1.1%,取得显著经济效益。 | | 文摘来源 | | An experiment of IPM was carried out in the citrus orchard of Shaoguang | | 本研究通过对广东省韶关市柑桔园的糠片盾蚧 Parlotoria pergandii 年消长情况的调查和对该虫生活习性的观察,制定并试行如下的控制糠片盾蚧综合治理的措施:停止原来使用乙基1605等广谱性杀虫剂;柑园生草覆盖,改善柑园中天敌的生态环境条件,促进天敌对害虫的控制作用。试验结果表明,在7月份,当第一批上果爬虫发育至二龄若虫时,及时喷一次1000倍的40%速扑杀乳剂便能控制该虫的为害在经济损害水平以下。在综防试验区,糠片盾蚧的虫株率从1986年的100%下降至1988年的22%,受害指数也由1986年的0.589下降至1988年的0.203. | | 文摘来源 | |   | | << 更多相关文摘 |
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