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中文摘要:大豆食心虫[Leguminivoraglycinivorella(Mats.)]是我国东北大豆产区的重要害虫,对大豆的产量和品质都有严重影响。培育抗虫品种是防治... 中文摘要: 大豆食心虫[Leguminivora glycinivorella (Mats.)]是我国东北大豆产区的重要害虫,对大豆的产量和品质都有严重影响。培育抗虫品种是防治大豆食心虫的一种既经济又有效的方法。
[目的] 本研究主要是通过对63个大豆抗虫品系的抗虫性差异以及虫食率与各农艺性状相关性的研究分析,进一步了解这些品种的类型特点和主要性状差异。[方法] 根据抗虫及感虫对照的抗虫表现制定出本试验的抗虫分级标准,同时对大豆区试品种的虫食率与主要农艺性状进行相关性分析。[结果] 百粒重与虫食率的相关性不大,虫食率与脂肪含量、蛋白质含量的相关性很小,都没有达到显著水准,说明虫食率与品质性状没有明显关系,本试验蛋白质含量与脂肪含量又呈极显著负相关。这个结果又与蛋白质所固定的能量较少而脂肪固定的能量较多相吻合。[结论]本试验抗虫品系属于高抗或抗性的,可以作为抗食心虫育种的抗源应用。也可以根据它们各自的生态性状表现作为不同区域综合防治措施中的品系选用;高感品种生产上慎用,若必须选用时,要辅以化学药剂防治。
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2010-06-12
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Leguminivora glycinivorella (soybean molesta busck [j] is Mats northeast soybean production of important pests, yield and quality of soybean are affected. Cultivating soybean varieties and insect resistance is a kind of economic molesta busck and effective method.
[objective] to study mainly through 63 soybean insect resistance strain of resistance and feed rate and the differences between insect agronomic character of correlation analysis, the further understanding of these varieties of type characteristic and main characteristic difference. [method] according to the insect resistance and sense of insect resistance performance comparison worm out this experiment, insect resistance grading standards for soybean variety regional test of insect eaters rate and the correlation analysis of main agronomic characters on. [result] weight and feed rate, insect eaters rate and fat content of protein content, small, without relevance to significant level, insect eaters rate and quality traits, this experiment has no obvious relationship between protein content and fat content and a significant negative correlation. The results and proteins of fixed less energy and fat of multiphase energy is fixed. This experiment. [conclusion] the insect resistance, high resistance strain belongs to, or as the source resistance against molesta busck breeding. According to their respective also the ecological characters of different areas as a comprehensive prevention and control measures of strain, GaoGan varieties used in production, if must choose, supplemented by chemical prevention and control
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