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以12年生凌枣为试材,进行喷施氨基酸硒叶面肥或SOD制剂试验。结果表明,凌枣果实发育期喷施4次氨基酸硒叶面肥600倍液能显著提高凌枣果实硒含量,喷施SOD制剂1 000倍液对凌枣果实硒含量影响不大;喷施氨基酸硒叶面肥600倍液或SOD制剂1 000倍液均能显著提高凌枣果实SOD活性,对改善凌枣果实品质也有显著效果。
With 12-year-old jujube as test material, the test of applying amino acid selenium foliar fertilizer or SOD preparation was carried out. The results showed that spraying 4 times amino acid selenium foliar fertilizer 600 times during the fruit development of Ling jujube could significantly increase the selenium content of Ling jujube fruit and spraying 1000 times of SOD agent had little effect on the selenium content of Ling jujube fruit. Selenium foliar fertilizer 600 times or 1 000 times the SOD preparation can significantly increase the SOD activity of Ling jujube fruit, to improve Ling jujube fruit quality also has a significant effect.