|Table of Contents|

Effects of Calcium and Azoxystrobin on Fruit Quality and Soft Rot Disease of Kiwifruit

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2022年05
Page:
23-28
Research Field:
Publishing date:

Info

Title:
Effects of Calcium and Azoxystrobin on Fruit Quality and Soft Rot Disease of Kiwifruit
Author(s):
HE Linan1; LONG Youhua1; 2; ZHANG Rongquan3; SHI Jinqiao1; XIA Fujin1; YIN Xianhui1; 2
(1.Kiwifruit Engineering Research Center,Guizhou University,Guiyang,Guizhou 550025;2.Crop Protection Research,Guizhou University,Guiyang,Guizhou 550025;3.Management Committee of the Eastern Agricultural Industrial Park of Shuicheng District,Liupanshui City,Liupanshui,Guizhou 553000)
Keywords:
kiwifruit; calcium; azoxystrobin; soft rot; quality; field control effect
PACS:
-
DOI:
10.11937/bfyy.20213618
Abstract:
The ‘Guichang’ kiwifruit,polysaccharide alcohol chelated sodium-rich calcium,anhydrous calcium chloride,calcium nitrate,25% azoxystrobin SC were used as experimental materials and the field application method was adopted.The effect of pre-harvest spraying calcium+azoxystrobin on the appearance quality,nutritional index,storage and soft rot of kiwifruit fruit was studied,in order to provide a scientific basis for the improvement of kiwifruit fruit quality and the prevention and control of soft rot.The results showed that pre-harvest spraying of calcium+azoxystrobin could increase the average longitudinal diameter,transverse diameter,single fruit weight and single fruit volume of kiwifruit,significantly increased the content of soluble solids,chlorophyll and soluble protein in kiwifruit fruit,and at the same time slow down the decline rate of kiwifruit fruit firmness,effectively delaying the kiwifruit softens,delaying its shelf life.Pre-harvest spraying of calcium+azoxystrobin had good control effects on kiwifruit soft rot.After 10 days of storage,the average incidence rate of the control group was 57.80%,and the average disease rate of the treatment group was lower than that of the control group,the difference was extremely significant;the best control effect was treatment B,up to 67.24%.The comprehensive test results showed that pre-harvest spraying of calcium+azoxystrobin could effectively improve the quality of kiwifruit,prolong the shelf life,and also effectively prevent and treat kiwifruit soft rot.

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Last Update: 2022-05-23