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红铃虫Pectinophora gossypiella(Saunders)是棉花上的主要害虫之一。第三代发生期预报多年沿用期距法,在年度间差异较大,单用合成性引诱剂,反应不一。因此需寻找其他测报方法。我们于1977—1979年应用灯光与合成性激素在田间进行三代红铃虫的测报试验。现报道如下。 一、材料和方法 设一组20瓦黑白单管双光灯(灯管经加工成为一段发出白光,一段发出蓝紫光),20瓦黑光灯,3瓦黑光灯(下称无剂灯);一组在上述3种灯下端分别配合成性引诱剂(下称有剂
Pectinophora gossypiella (Saunders) is one of the major pests on cotton. The third generation of the forecast period of use of the law for many years, the difference between the larger annual, synthetic attractant alone, the reaction was mixed. Therefore need to find other methods of measurement. We used light and synthetic hormones in 1977-1979 in the field for three generations of red bollworm reported test. Report as follows now. Materials and Methods A group of 20-watt black-and-white single-tube double lamps (the lamp is processed to emit a white light and a blue-violet light for a period), a 20-watt black-light lamp and a 3-watt black light lamp Group in the bottom of the above three kinds of lamps with sexual attractant (hereinafter referred to as agent