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稻纵卷叶螟刮食水稻叶肉,形成白叶和卷叶,这对水稻产量的影响程度一直有不同看法。笔者通过对单季晚稻在不同生育期作不同剪叶量模拟稻纵卷叶螟为害的试验,最后分小区测产,考证对产量的影响程度。现将试验情况报告如下。1 材料和方法1.1 供试水稻 品种秀水61,作单季晚?..
Rice leafroller scraping rice leaf mesophyll, the formation of white leaves and leaf roll, which have a different degree of influence on rice yield. The author tested the single-season late rice at different growth stages for different shear-leaf mimicry of the rice stem borer damage test, the final sub-area test production, textual research on the impact of yield. Now the test report is as follows. 1 Materials and methods 1.1 for testing rice varieties Xiushui 61 for a single season late?