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| Effects of Different Resistant Rootstocks on Yield and Quality of Grafted Tomato and Control Effects of Meloidogyne incognita |
| CHEN Zhen-de1，WANG Pei-sheng1，ZHOU Ying1，JI Yu-ling2，LIANG Peng1，3，WAN Zong-jun1，4，HAO Jun-jie1 |
| 1Qingdao Academy of Agricultural Sciences，Qingdao 266100，Shandong，China|2Seed Management Station of Qingdao，Qingdao 266071，Shandong，China|3College of Horticulture and Landscape，Southwest University，Chongqing 400716，China|4College of Horticulture and Landscape，Qingdao Agricultural University，Qingdao 266109，Shandong，China |
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Abstract Taking different tomato（Lycopersicon esculentum Mill.）stocks as materials，this experiment studies the effects of different graft stocks on tomato yield，quality and control effects on Meloidogyne incognita．The results indicated that after grafted to tomato，the control effects on Meloidogyne incognita of 6 stocks were all above 98.6%．Especially they were high resistant to root-knot nematode．Compared with own-rooted，the yields of tomato grafted with resistant rootstocks could increase by 15.4%-19.4%．Rootstock grafting had no influence on soluble protein，soluble solid，titrable acid content of tomato fruits，whereas the contents of soluble sugar，VC，lycopene and nitrate were mostly lower than the own-rooted contrast．Judging from the combined results，using‘Guozhen No.?1’and‘Telusi’as resistant rootstocks，the grated tomato plants have good controlling effect on southern root-knot nematode，and these 2 rootstocks have very little influence on tomato quality，but have higher yield potential.
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Received: 12 March 2012
Published: 05 April 2012
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