chilocorus kuwanae silvestri 中文意思是什麼
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Its main natural enemies were chilocorus kuwanae silvestri, chrysopa spp., spiders, predatory mites, amitus kerperidum silvestri and prospaltella sp. the single use of omethoate, optunal or methidathion, etc. was not satisfactory to keep this insect pest under control, the control effect of combined use of omethoate and optunal was somewhat better than their single use, and was much better ( 90. 93 % ) as putting a few emulsified machine oil into this combination, while the use of mixture b, 32 % of 40 % omethoate + 48 % of 40 % optunal + 15 % of 4. 5 % - cypermethrin + 5 % of synergist, got most desirable effect ( 97. 71 % )
藥劑試驗表明，氧化樂果、水胺硫磷、速撲殺等藥劑單用時效果不理想，但氧化樂果和水胺硫磷混配後效果有所提高，如果與機油乳劑配合使用，則效果更好，可達到90 . 93 % ，復配劑b 40 %氧化樂果（ 0 . 32 ） + 40 %水胺硫磷（ 0 . 48 ） + 4 . 5 %高效氯氰菊酯（ 0 . 15 ） +增效劑（ 0 . 05 ）的防效最好，達97 . 71 % ，是目前防治柑桔黑刺粉虱最好的藥劑之一。
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