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| Preliminary Observation of Tomato Sepal Shape |
| ZHENG Xu-xiang，LIANG Yan*，YAN Jian-min，LUO Lei |
| Key Laboratory of Horticulture Plant Germplasm and Genetic Improvement，Minister of Agriculture，College of Horticulture，Northwest Agriculture & Forestry University，Yangling 712100，Shaanxi，China |
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Abstract Sepal shape of 85 materials，including inbred lines of tomato（Lycopersicon esculentum Mill.）and cherry tomato，were observed．The results show that there is a gradual change of sepal shape from less than 90 degrees to over 180 degrees from flowering to fruit maturity．The sepal shape can be classified into spread，up-spread，upright and scroll 4 types at red ripe stage．The following is the angle between stretching direction of sepal and the fruit vertical axis．Spread is in the range of 90-100 degrees，up-spread is 101-170 degrees，upright is 171-180 degrees，scroll means the angle is more than 180 degrees，and it is entad curling．The ratios are 4.71 %，1.18 %，17.65 % and 76.47 %，respectively.
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Received: 15 January 2011
Published: 21 April 2011
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