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农业科学 抗虫性 PI genes are of practical advantages including safety, nontoxic or non-deleterious effects on mammals and animal,broad-spectrum resistance to insects. Hence,research on functional PI genes has been much paid attention to enhance plant resistance/protection against pests. 植物蛋白酶抑制剂基因具有广谱抗虫性、安全、无毒副作用等优点,研究蛋白酶抑制剂基因具有重要意义。
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Genetically engineered crop resistance to insects and pests offers a method of crop protection. 利用基因工程培育抗虫新品种是农作物害虫防治的有效途径。 - 2
Recently many cases of host resistance to insects have been reported in papers for forage and legume species. - 3
Substances conveying plant resistance to insects include inorganics, primary and intermediary metabolites and secondary substances. 给予植物抗虫性的物质包括无机物，初始、中间代谢物和次生物质。
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