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KMID : 1024520150240121673
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Journal of the Environmental Sciences
2015 Volume.24 No. 12 p.1673 ~ p.1679
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Influence of Fruit Set Internode on Seed Germination and Seedling Vigor in Watermelon
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Park Eun-Ji
Lee Gyu-Bin
Park Young-Gil
Suh Jeong-Min
Kang Jum-Soon
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Abstract
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This study was conducted to investigate the effects of fruit set internode on the germination of watermelon seeds. Generally fruits setted in higher than 20 internode were high percent of germination, fruit setted in low internode(5-10) is low. The higher fruit-set internode, fruit weight was significantly increased, but 1,000 seed weight was decreased the more fruit set internode. However number of seed was about 300 seeds irrespective of fruit-set internode. Investigating viability of seed by BP test, general percent germination was recorded highest at 5 flower cluster above 20 internode of fruit-set internode. In contrast, condition of fruit setted on 3, 4, 6 flower cluster were high percent of germination, regarded as unnormal germination not to be as normal seedling by 2~3%. Seed harvested at 5 flower-cluster had high viability on hypocotyl height and diameter of seedling through early growth test, but were not significant. Therefore 5 flower-cluster was optimum fruit-set internode to obtain high-quality seed.
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KEYWORD
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Cotyledon, Germination, BP test, Seed harvesting, Viability
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