Effects of different pumpkin rootstocks on the growth and fruit quality of small-fruit watermelon(Citrullus lanatus)
The cultivation of small-fruit watermelon varieties increased rapidly in recent years.The present study evaluat-ed the effects of 17 hybrid pumpkin combinations and two commercial rootstock varieties(Fengle Jinjia and Jingxin Zhen No.4)grafted onto two small-fruit watermelon varieties(Jingmei 2K and Wunong No.8).The experiment was conducted over two seasons(spring and autumn).Several indicators such as grafting survival rate,field survival rate,plant growth,flowering and fruiting nodes,fruit yield and quality were investigated.The results of the investigation and analysis of the indexes showed that all the rootstocks had high affinity with small-fruit watermelon;the growth and yield attributes of grafted plants were better compared to self-rooted plants;grafting did not significantly change the fruit shape index except rootstocks S6 and S26;among the internal quality indexes,S12,S19,S5,S16,S13,S7 and S17 performed well in spring,and S16,S19 and S7 performed best in autumn.Overall,the results of two season's experiments demonstrated that three hybrid pumpkin combinations(S1 6,S19 and S7)were found to be better than the two commercial rootstock varieties,and are suitable for small-fruit watermelon grafting.
万方数据
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