Antipersonnel force of four types of high penetrating insecticides controlling against the larvae of cotton bollworm was tested in laboratory.
用高渗酮增效的四种不同的高渗农药制剂在室内对棉铃虫幼虫的杀伤力进行了试验。
The pink bollworm, whose larvae winter in the seeds of cotton in the storerooms, may cause a 20 per cent loss in ginned cotton.
粉红色螟蛉的幼虫在库房棉花籽中过冬，可能使皮棉减产两成。好评(0)。
The pink bollworm, whose larvae winter in the seeds of cotton in the storerooms, may cause a 20per cent loss in ginned cotton.
粉红色螟蛉的幼虫在库房棉花籽中过冬，可能使皮棉减产两成。
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