Studies on Watermelon Ploidy Revertant

ACTA HORTICULTURAE SINICA ›› 2006, Vol. 33 ›› Issue (3): 632-634.

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Studies on Watermelon Ploidy Revertant

Tan Suying;Liu Wenpge;Yan Zhihong;Zhao Shengjie;He Nan;Ma Shuangwu;Wang Jiming

( Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, Henan 450009, China)

Received:2005-07-25 Revised:2005-09-26 Online:2006-06-25 Published:2006-06-25

Abstract

Abstract: Fourmutants were discovered in autotetraploid watermelon varieties 790010, 日み66, 91E7 and 770007 in 2001 and 2002. Their morphological and cytological characteristics were observed and identified, comparing with original autotetraploid watermelon. The morphological traits of the mutants had been obvious characteristics of dip loid watermelon and original variety. The pollen size and leaf guard cell size of the mutants become smaller and chlorop lasts number in guard cell diminished, and chromosomes number of the
mutants somatic cell were 22, which were half of autotetraploid watermelon. Finally four mutants were confirmed revertants of autotetraploid watermelon.

Key words: watermelon, Ploidy, Revertant

Tan Suying;Liu Wenpge;Yan Zhihong;Zhao Shengjie;He Nan;Ma Shuangwu;Wang Jiming. Studies on Watermelon Ploidy Revertant[J]. ACTA HORTICULTURAE SINICA, 2006, 33(3): 632-634.

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Studies on Watermelon Ploidy Revertant

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