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Chinese Agricultural Science Bulletin ›› 2005, Vol. 21 ›› Issue (10): 81-81.

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Effects of preharvest sprays with chitosan and Gaoliangjiangon postharvest physiology of Longan

He Yanwen, Liang He, Wei Jianfeng,Yin Xiu, Ou Jiawei, Wei Dongping   

  • Online:2005-10-05 Published:2005-10-05

Abstract: The experiment was conducted with different concentration of chitosan and Gaoliangjiang sprayed at one week and one day before harvest. The results showed that both of chitosan and Gaoliangjiang significantly decreased rate of weight lose and rate of rot, reduced the dropping speed of soluble solid and total sugar, promoted SOD activities, decreased MDA content of peel and flesh. The effect of Gaoliangjiang was better than chitosan and the higher concentration was better than lower concentration.