Studies on Storage Physiology of Water Melon Hybrid Seeds

Liu Wenhua; Chen Runzheng; Huang Shengqin; Fu jiarui

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Studies on Storage Physiology of Water Melon Hybrid Seeds

更新时间：2023-12-11

- Studies on Storage Physiology of Water Melon Hybrid Seeds
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 35, Issue S2, Pages: 86-90(1996)
- 作者机构：
  
  中山大学生物学系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1996，
  
  Published Online：25 December 1996，
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Liu Wenhua, Chen Runzheng, Huang Shengqin, et al. Studies on Storage Physiology of Water Melon Hybrid Seeds. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 35(S2):86-90(1996)
DOI：

Liu Wenhua, Chen Runzheng, Huang Shengqin, et al. Studies on Storage Physiology of Water Melon Hybrid Seeds. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 35(S2):86-90(1996) DOI：

摘要

杂交西瓜种子在一般条件下不耐贮藏．当年新收获的西瓜种子，发芽率为１００％，活力指数为１８．１１；室温开放贮藏１２个月后，发芽率下降到１０％，活力指数下降到０．１２．低温和低含水量有利于西瓜种子的贮藏．在适宜的低温低含水量条件下贮藏的西瓜种子，发芽率下降不明显；在常温超干条件下，西瓜种子活力保持最好．低活力的西瓜种子，电导率和紫外吸收值比高活力种子的高．高活力的西瓜种子的酸性磷酸酶、过氧化物酶以及过氧化氢酶活性均比低活力种子的高，这３种酶的活性与种子活力呈正相关．活力低的种子在萌发初期放出较多的挥发性醛，种子的活力与挥发性醛产生量呈负相关

Abstract

The vigor of water melon hybrid seeds declines fast in general. The germination percentage of fresh water melon seeds was 100% and vigor index 18 11. After storage for 12 months in open condition the germination percentage decreased to 10% and vigor index to 0 12 The lower the seed moisture content(MC) was

the higher seed vigor was.Under the same MC condition

the lower seed temperature was

the higher seed vigor was. The vigor was highest in room temperature and ultradry storage condition. The acid phosphatase activity of melon seeds emerged after imbibing for two hours. The catalase activity and peroxidase activity emerged after germinating for two days in melon seeds. There was good correlation between the emzyme activity and the seed vigor. The water melon seeds released large amount of volatile aldehyde compound (VAC) within lst day and 2nd day of imbibing and germinating. Significant negative correlation have been obtained between melon seed vigor and volatile aldehyde. By measuring the quantities of VAC

we can test melon seeds in different vigor levels.

关键词

&nbsp西瓜种子种子活力贮藏

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