Key Laboratory of Agricultural and Biological Engineering of Binzhou City

Binzhou, China

Key Laboratory of Agricultural and Biological Engineering of Binzhou City

Binzhou, China
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Li M.,Key Laboratory of Agricultural and Biological Engineering of Binzhou City | Yu M.,Key Laboratory of Agricultural and Biological Engineering of Binzhou City | Zhang Z.,Key Laboratory of Agricultural and Biological Engineering of Binzhou City | Liu Z.,Key Laboratory of Agricultural and Biological Engineering of Binzhou City | And 2 more authors.
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering | Year: 2012

In order to improve the fruit quality of Dongzao jujube in growth period, the effects of spraying Harpin Xoo protein on fruit quality of Dongzao jujube tree in growth period were investigated. The experimental results indicated that spraying Harpin Xoo protein can significantly increase the fruit weight, hardness, sugar-acid ratio, total sugar and vitamin C content, and reduce the rate of wound and diseases fruit. Compared to the control fruits sprayed with water, the fruit weight and hardness of the treatment fruits sprayed with Harpin Xoo protein were increased by over 18.99% and 20.26%, the rate of wound and diseases fruit reduced by 59.67%. In early October, the sugar-acid ratio, total sugar and vitamin C content of the treatment fruits sprayed with Harpin Xoo protein reached to 83.15, 33.26% and 4.76 mg/g, respectively, while those of the control fruits sprayed water were only 48.36, 20.31% and 3.41 mg/g, respectively. The fruit shape index, edible rate, moisture content and total acid content of the treatment fruits sprayed with Harpin Xoo protein were well maintained. The appearance and taste quality of fruit were significantly improved by spraying Harpin Xoo protein on Dongzao jujube tree in growth period. The suitable application concentration of Harpin Xooprotein is 20 μg/mL. The research can provide a reference for improving the fruit quality of the Dongzao jujube in growth period.

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