cultivated crop短语¹⁴⁴⁹⁷²⁺² 基本例句 中耕作物,中耕罪 Wild relatives of cultivated crop are important germplasm for improving yield, quality, resistance to biotic and abiotic stresses of modern cultivars. 野生亲缘物种是作物遗传改良的重要种质资源，对提高作物产量、改善品质、提高对生物和非生物逆境的抗性具有重要作用。 cnki