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我区是玉米螟高发区,每年在玉米螟的防治上投入了大量的人力、物力,但往往不能得到很好的效果。有时一旦错过了防治时机效果几乎为零,造成了严重减产,幅度可在10%以上。由于被玉米螟咬过的种子精选不出来,严重影响种子的质量,要想达到国家标准,必须人工手选,这样1Kg种子的成本就会增加0. 2~0. 3元,为了克服玉为螟给玉为制种带来的不良后果,通过实践我们找出了一个行之有效的补
My area is the high incidence of corn borer, each year in the prevention and control of corn borer into a lot of manpower and material resources, but often can not get good results. Sometimes, once missed the timing of prevention and control of the effect is almost zero, resulting in a serious cut, the rate can be above 10%. Due to be bitten by corn borer can not be selected, seriously affecting the quality of the seeds, in order to achieve national standards, manual selection, so that the cost of 1Kg seeds will increase 0.2 ~ 0. 3 yuan, in order to overcome the jade For the borer to jade for the production of bad consequences, through practice, we found an effective complement