5%阿维菌素打孔注药防治松褐天牛试验

Preliminary study on the surveillance model of organic man-machine aerial photography for Bursaphelenchus xylophilus disease——Taking Songzi city in Hubei province as an example

摘要:

摘要：2018~2020年连续 3年在试验地松针萌发前开展 5%阿维菌素打孔注药防治松褐天牛,结果表明:松树施药 36 240株,存活株数 34660株,平均存活率 95.64%,明显高于空白对照平均存活率88.77%;施药后的各类长势松树平均死亡 率:长势良好的 A类占 3.82%;长势 一般的B类占 4.13%;长势较差的C类占 38.29%;防治效果 A类优于 B类,又明显优 于 C类;防治成本平均单价 45.2元 · 株 -1 。得出用 5%阿维菌素打孔注药防治松褐天牛具有可行性和 一定的优越性,为防 治松褐天牛措施提供 一定的参考依据。

Abstract:

Abstract:avermectininjectionwascariedouttocontrolMonochamusalternatusbeforethepinenedlegermination inDangyangCityfrom20l8to2020forthreconsecutiveyears.Theresultsshowedthat36240pinetreswereapplied with34660survivaltres,withanaveragesurvivalrateof95.64%,whichwassignificantlyhigherthantheaveragesur- vivalrateoftheblankcontrolof88.77%;theaveragemortalityrateofalkindsofgrowingpinetresafterapplicationof insecticidewas3.82% forclasA,4.l3% forclasB and38.29% forclasC.thecontrolefectonclasA wasbeterthan thatonclasB,andwassignificantlybeterthanthatonclasC;theaverageunitpriceofcontrolcostwas45.2 yuanper plant.Therefore,itcanbeconcludedthatitisfeasibleandadvantageoustouse5% avermectintocontrolM.alternatus, whichprovidesareferencebasisforthecontrolmeasuresofM.alternatus.