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Using a new hybrid rootstock significantly increases the grafted plant rate and watermelon yield

文献类型： 外文期刊

作者： Zhang, Jian 1 ; Wang, Pengcheng 1 ; Tian, Hongmei 1 ; Wang, Yan 1 ; Jiang, Haikun 1 ;

作者机构： 1.Anhui Acad Agr Sci, Inst Hort, Hefei 230031, Anhui, Peoples R China

2.Key Lab Genet Improvement & Ecophysiol Hort Crops, Hefei 230031, Anhui, Peoples R China

3.Anhui Agr Univ, Sch Hort, Hefei 230036, Anhui, Peoples R China

关键词： pumpkin; double root cutting; grafted plant; watermelon yield

期刊名称：INTERNATIONAL AGROPHYSICS （ 影响因子：2.317； 五年影响因子：2.244 ）

ISSN： 0236-8722

年卷期： 2019 年 33 卷 1 期

页码：

收录情况： SCI

摘要： Rootstocks constitute a very important resource of grafted plants, especially in terms of improving the production of watermelon. In this work, a new rootstock, i.e. 'Wanzhen No. 2', was used to evaluate the grafting effect on three watermelon cultivars ('Xiulf', 'Jinlvhongling', and 'Xinong No. 8') subjected to double-root-cutting grafting. Protected field trials were also conducted. The obtained results have shown that the doubleroot-cutting grafting technique significantly increases the root length and dry weight of 'Wanzhen No. 2', when compared to bottle gourd rootstock. 'Wanzhen No. 2' was also found to significantly increase the average survival rate of grafted seedlings, up to 96% in three experimental bases. The fruits harvested from the 'Wanzhen No. 2' grafted plants had higher weight than those obtained from non-grafted plants, without affecting the central sugar content. By using 'Wanzhen No. 2'as the rootstock, the watermelon yield significantly improved in 'Xiuli' (by 26.7 and 87.4%) and 'Wanzhen No. 2' (by 16.3 and 89.2%), when compared to both the control 'Jiashe' and the non-grafted plant. The yield of 'Xinong No. 8' significantly increased (by 32.2%), when compared to the non-grafted plant. Our study suggests that 'Wanzhen No. 2' is a suitable rootstock for grafted seedlings in three watermelon cultivars. We have provided new insights into the rootstock and contributed to the improvement of watermelon grafted plants.

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