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| A New Tomato Rootstock Variety Highly Resistant to Root-knot Nematodes —‘Kezhen No.1’ |
| WANG Ming-yao，Zhang Gui-hai，WANG Xue-ying，WEN Su-ping，CUI Shao-yu，SHI Ying |
| Agriculture and Forestry Institute of Langfang City，Langfang 065000，Hebei，China |
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Abstract ‘Kezhen No.1’is a F1 hybrid tomato rootstock highly resistant to southern tomato root-knot nematode．It is developed by taking inbred line MK5965，which is highly resistant to tomato root-knot nematode as female parent，and B87123 inbred line，which has many pollen, more seeds，strong growth potential，and tolerant to low temperature as male parent．It can be grafted with general tomato varieties．The grafted seedlings have high survival rate with strong resistance and its yield can increase 25 % than own-rooted seedings．It is suitable to be cultivated in large quantity in protected fields in winter and from winter to spring．
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Received: 20 December 2010
Published: 09 May 2011
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