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KMID : 0903619950360030293
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Journal of the Korean Society for Horticultural Science
1995 Volume.36 No. 3 p.293 ~ p.298
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Effects of Forchlorfenuron Application on the Induction of Parthenocarpic Fruit and Fruit Quality in Watermelon (citrullus Vulgaris S .) under Greenhouse Condition
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손태환/Son, Tae Hwan
염영철/이재한/강경희/강광윤/Um, Yeong Cheol/Lee, Jae Han/Kang , Kyung Hee/Kang, kwang Yoon
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Abstract
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To enhance fruit-setting and to produce seedless fruit in watermelon under greenhouse condition, forchlorfenuron liquid (1-(2-Chlor-4-pyridyl)3-phenylurea) was tested from 1989 to 1992.
Fifty or 100 ppm was effective in inducing parthenocarpy when applied onto the whole surface of fruit at flowering time. Fruitset was above 95% by the forchlorfenuron application, compared to about 70% by the hand pollination. Parthenocarpic fruits did not have ripe seed, but have a few black and a number of white seed coats. Average fruit weight, sugar content and flesh thickness of watermelon were not significantly different between parthenocarpic and fertilized fruit.
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