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| Studies on Application Effect of Fruit Quality Improver in Greenhouse Tomato |
| CAI Jun-qing，ZHAI Bing-nian*，LIU Ling-ling，LI Tao-tao，LU Hai-jiao |
| College of Recourses and Environment Science，Northwest A&F University，Yangling 712100，Shaanxi，China |
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Abstract The experiment was conducted taking the fruit quality improver independently researched and developed as material，so as to test the effect of different improvers concentration on tomato（Lycopersicon esculentum Mill.）fruit production，fruit expanding rate，fruit color changing rate，lycopene and VC contents，etc．The results indicate that the treated fruits reach the harvest standards 12 days earlier than CK．The yield with improver 1 000 times treatment reaches 91 380 kg?hm-2，which is 15.71% higher than that of CK．The titration acid content is 0.06 percent point lower than CK，and the contents of soluble sugar，VC and lycopene are 2.55 times，2.51 times，and 1.57 times of CK，respectively．All these results show that the improver can promote the color reforming and fruit expansion of tomato，and thus improve the fruit quality．
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Received: 09 March 2012
Published: 10 April 2012
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