Welcome to Journal of Agriculture,

Journal of Agriculture ›› 2022, Vol. 12 ›› Issue (3): 50-54.doi: 10.11923/j.issn.2095-4050.cjas2021-0075

Special Issue: 生物技术 园艺

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Effects of Calabash Rootstock Grafting on Growth, Fruit Traits and Yield of Watermelon

ZOU Yijing1(), JIANG Jianhong2, WANG Guangfeng3, HUANG Kaimei1, LIANG Dagang4(), YAN Shaobing1   

  1. 1Agricultural Technology Extension Center of Hangzhou, Hangzhou 310017, Zhejiang, China
    2Kangcheng Agricultural and Technology Co., Ltd., of Hangzhou, Linping 310008, Zhejiang, China
    3Agricultural Science and Technology Co., Ltd., of Zhejiang, Yuhang 311115, Zhejiang, China
    4Agricultural and Rural Affairs Security Center of Hangzhou, Hangzhou 310017, Zhejiang, China
  • Received:2021-04-26 Revised:2021-10-14 Online:2022-03-20 Published:2022-03-22
  • Contact: LIANG Dagang E-mail:yijingzou@126.com;553664360@qq.com

Abstract:

The effects of watermelon scion ‘Zaojia’ grafted on seven calabash rootstocks on the survival rate, plant growth, fruit traits, yield and disease resistance were analyzed in this study. A grafted survival rate over 93% was observed in all rootstocks, indicating that they had good compatibility with the scion. Compared with the control, earlier flowering of female flowers and certain effects on fruit traits and yield were observed in all rootstocks’ grafting scion. Furthermore, the watermelon plants grafted on rootstocks ‘Jingxinzhen 1’ and ‘Huoshen’ had enhanced plant growth. The grafted plants on ‘Huoshen’ showed better disease resistance with the disease incidence rate of 21.67%, followed by those on ‘Jingxinzhen 1’ (30.00%). According to these results, the rootstock ‘Jingxinzhen 1’ and ‘Huoshen’ showed better grafting compatibility with ‘Zaojia’, including enhanced plant growth, increased single melon weight, similar fruit appearance and quality to that of scion, better disease resistance, and more than 20% yield increase. Therefore, ‘Jingxinzhen 1’ and ‘Huoshen’ could be used as candidate varieties for the selection of rootstock in watermelon grafting.

Key words: watermelon, calabash rootstock, graft, growth, fruit traits, yield

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