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| Effects of Rootstock Grafting on Yield，Quality and Control of Meloidogyne incognita of Cucumber（Cucumis sativus L.） |
| CHEN Zhen-de1，WANG Pei-sheng1，ZHOU Ying1，JI Yu-ling2，WAN Zong-jun1，3，LIANG Peng1，4 |
| 1Qingdao City Academy of Agricultural Sciences，Qingdao 266100，Shandong，China|2Seed Management Station of Qingdao，Qingdao 266107，Shandong，China|3College of Horticulture and Landscape，Qingdao Agricultural University，Qingdao 266109，Shandong，China|4College of Horticulture and Landscape，Southwest University，Chongqing 400716，China |
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Abstract In order to screen resistant cucumber rootstocks，the effects of rootstock grafting on yield，quality and control of Meloidogyne incognita of cucumber（Cucumis sativus L.）were studied in this experiment．Taking 7 pumpkin varieties as rootstock，2 cucumber varieties as scion，the root-knot nematode occurrence and severity of grafted cucumber were identified，the yield and quality of grafted cucumber were tested and compared by using own-rooted cucumber as control in greenhouse．The results showed that the yield of‘Cuilv’grafted with different rootstocks could be increased by 4.1%-10.7% in spring，‘Shuofeng No.9’by 15.0%-104.2% in autumn as compared with own-rooted，among which the yield increasing effect of grafted with‘Xindongli’was the best．‘Huangzhen No.3’took the next place．Rootstock grafting had no significant effect on soluble protein of cucumber fruits，as compared with own-rooted cucumber．Different scion cultivars grafted with various rootstock cultivars，the contents of soluble sugar，VC and nitrate in grafted cucumber could increase or decrease．Rootstock grafting had significant effects on controlling southern root-knot nematode，with 67.8 %-79.7% effect higher in spring，12.7% - 44.7% effect higher in autumn．Generally speaking，cucumber grafted with‘Xindongli’and‘Huangzhen No.3’has higher yield，better quality and good control effect of southern root-knot nematode.
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Received: 17 November 2011
Published: 12 February 2012
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