一代稻秆潜蝇新健叶率与化蛹率相关性研究初报张志勤（浙江省泰顺县病虫测报站３２５５００）稻秆潜蝇以二代幼虫为害单季晚稻幼穗造成严重损失，调查一代幼虫的化蛹率是预测二代发生期的重要方法。常规的做法是选取有代表性的田块，从化蛹始盛期开始到盛末期为止，每隔３... Preliminary study on the correlation between the leaf rate of new healthy rice and pupation rate of a generation of rice leaf miner Zhang Zhiqin (Zhejiang Taishun County Pest Insemination Station 325500) The investigation of the damage caused by the second generation larvae on young ears of late rice caused by rice larvae The pupation rate of one generation of larvae is an important method to predict the occurrence of the second generation. The common practice is to select a representative plots, from the beginning of pupal climax until the end of Sheng, every 3 ...