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小地老虎和棉铃虫是我省棉区的主要害虫。近几年来,连年发生,造成不同程度的危害。为保障棉花丰收,我省广大贫下中农除采用化学药剂及农业措施防治外,由1971年起,还开展了黑光灯防治,取得一定效果。现将有关情况综述如下,供参考。一、黑光灯比普通电灯誘虫量大 1962-1966年,我院进行了不同灯光的系统诱集。黑光灯为20W,普通电灯为100W,两灯距离100米。灯高离地面5尺左右。在灯管(泡)下装置铁皮漏斗,紧接漏斗
Small tiger and cotton bollworm is the main pest in our province cotton area. In recent years, successive years, resulting in varying degrees of harm. In order to ensure the bumper harvest of cotton, the vast majority of poor and middle-income peasants in our province have also carried out the prevention and treatment of black light since 1971, in addition to using chemical agents and agricultural measures to achieve certain results. The relevant information is summarized below for reference. First, black light than the average light-induced large amount of light 1962-1966, our hospital conducted a system of different light trap. Black light is 20W, ordinary light is 100W, two lights are 100 meters away. Lamp height of about 5 feet from the ground. In the tube (bubble) under the funnel metal device, followed by funnel