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Ca²⁺和IAA对甜柿单宁含量及果实品质的影响

EFFECTS OF Ca²⁺ AND IAA ON TANNIN CONTENT OF PERSIMMON AND ITS FRUIT QUALITY

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【Author】 Ou Yi~1, ZHOU Xian-wen~2, WANG Jin~1, XIE Yong-hong~1, WANG Yu-xia~1, TANG Xiao-hua~1,WANG Yin-he~3 (1. Chongqing Fruit Research Institute, Jiangjin, Chongqing 402260, China; 2. Kaixian Bureau of Agriculture, Kaixian, Chongqing 405400, China;3.Wansheng Bureau of Agriculture wanshen,Chongqing 400800,China)

【机构】重庆市果树研究所；重庆市开县农业局；重庆市万盛区农业局重庆江津402260；重庆开县405400；重庆江津402260；重庆万盛400800；

【摘要】采前用0, 0. 25%, 0. 5%, 1. 0%Ca(NO3 )2溶液及分别加入20×10-6 IAA后喷洒甜柿树冠和果实。结果表明,所有钙处理均提高了果实品质,但以0. 6%左右Ca浓度综合效应较好,果实单宁含量与Ca浓度呈极显著相关;果实Vc和总糖含量显著增加(分别达到50. 83%和18. 59% );增加了果实各部位的钙素水平。加喷IAA后上述效应更为显著。更多还原

【Abstract】 The tree crown and fruit of sweet persimmon were sprayed withCaCl₂ solution at 0, 0.25%, 0.5% and 1.0%, alone or in combination with 20×10^-6 IAA. All Ca treatments improved the quality of sweet persimmon fruit, with the treatment of 0.6% giving the most satisfactory result. Tannin content of the fruit was in a highly significant correlation with Ca concentration. Vitamin C and total sugar of the fruit as well as the Ca level at various portion of the fruit were improved by Ca application. The addition of IAA to the CaCl₂ solution showed a synergistic effect.更多还原