Author
Listed:
- Cheng Zhang
(Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, P.R. China
Institute of Agricultural Equipment Engineering, Jiangsu University, Zhenjiang, Jiangsu, P.R. China)
- You-Hua Long
(Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, P.R. China)
- Qiu-Ping Wang
(Guizhou Vocational College of Agriculture, Qingzhen, Guizhou, P.R. China)
- Jiao-Hong Li
(Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, P.R. China)
- Hua-Ming An
(Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, P.R. China)
- Xiao-Mao Wu
(Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, P.R. China)
- Ming Li
(Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, P.R. China)
Abstract
This study evaluated the effects of preharvest plant 28.6% chitosan composite film (CTS-Fh) sprays on the postharvest quality and diseases in kiwifruit (Actinidia deliciosa cv. 'Guichang'), it was screened and prepared by mixing chitosan, calcium, dextrin, ferulic acid and auxiliaries. 28.6% CTS-Fh solutions at different concentrations were sprayed three times during the fruit growing season. The obtained results show that 28.6% CTS-Fh sprays remarkably promoted the improvement of the yield and quality of the kiwifruit, significantly (P < 0.05) increased the Ca content and firmness, delayed the fruit ripening and softening, and enhanced the storability. Moreover, the kiwifruit soft rot was effectively controlled; the control efficiency was 61.68-88.79%. Additionally, the 28.6% CTS-Fh sprays significantly (P < 0.05) increased the content and activity of some defence-related secondary metabolites and enzymes, and could also increase the cell wall compactness in the kiwifruit. These results suggest that 28.6% CTS-Fh might trigger several defence responses in the kiwifruit against pathogenic infections. The doses of 28.6% CTS-Fh 200-400 dilution times were recommended for the practical application with regards to the production of kiwifruit.
Suggested Citation
Cheng Zhang & You-Hua Long & Qiu-Ping Wang & Jiao-Hong Li & Hua-Ming An & Xiao-Mao Wu & Ming Li, 2019.
"The effect of preharvest 28.6% chitosan composite film sprays for controlling the soft rot on kiwifruit,"
Horticultural Science, Czech Academy of Agricultural Sciences, vol. 46(4), pages 180-194.
Handle:
RePEc:caa:jnlhor:v:46:y:2019:i:4:id:84-2018-hortsci
DOI: 10.17221/84/2018-HORTSCI
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