Physiological studies on the development and the thickening growth of tubers in yams, Dioscorea spp.
山药薯蓣块茎发育和增粗生长的生理研究。
基本信息
- 批准号:02660017
- 负责人:
- 金额:$ 1.22万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for General Scientific Research (C)
- 财政年份:1990
- 资助国家:日本
- 起止时间:1990 至 1991
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This investigation was carried out to analyze the effect of changes in the photoperiod and temperature conditions on the initiation of the growth and enlargement of the tubers in yams, Dioscorea spp. .At the early stage of development of the yam plants, the growth and enlargement of the tubers began when the plants were exposed to a 9 hour day length thirty times.At middle stage of development, the growth and enlargement of the tubers started when the plants were exposed to a day length of 11 hours ten times. The weight of tubers increased proportionally to the increase of the number of exposures.Although yam tubers did not require a low temperature for the initiation of growth and enlargement, the development of the tubers in which growth had already been initiated was promoted by the exposure to low temperatures at night.Based on the results obtained, it appeared that the shortening of the day length was the main factor causing the growth and enlargement of tubers in yams.The reaction response of yam to short day treatment varies to some extent among varieties, and the effect of the treatment is in the final size of the tuber at riaturity. Depending upon the treatment, it was observed that while the moisture content of the tuber at maturity decreased, the viscoty of its juice increased.From the above result, it was proved that short day not only controls the commencement of enlargement of the tuber, but also promotes its maturing growth.
本研究分析了光周期和温度条件的变化对山药块茎生长和膨大的影响。在山药植株发育的早期阶段,当植株暴露于9小时的日长30次时,块茎开始生长和膨大;在发育的中期阶段,当植株暴露于11小时的日长10次时,块茎开始生长和膨大。块茎的重量随着暴露次数的增加而成比例地增加。虽然山药块茎的生长和膨大不需要低温,但夜间暴露于低温可促进已经开始生长的块茎的发育。根据所获得的结果,短日照是影响山药块茎生长和膨大的主要因素,山药对短日照的反应因品种而异,并且处理的效果是在成熟时块茎的最终大小。结果表明,短日照不仅控制了块茎膨大的开始,而且促进了块茎的成熟生长。
项目成果
期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
林 満,石畑 清武: "ヤムイモ(Dioscorea spp.)の生育並びに塊茎の肥大生長について 第2報." 熱帯農業. 第35巻. 79-83 (1991)
Mitsuru Hayashi,Kiyotake Ishibata:“关于山药块茎生长和膨大的第二份报告。热带农业”,第 35 卷,79-83(1991 年)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Mitsuru HAYASHI & K. ISHIHATA: "Studies on the development and the thickening growth of tubers in yam, Dioscorea spp." Japan. J. Trop. Agr.34. 151-155 (1991)
林充
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
林 満・石畑 清武: "ヤムイモ(Dioscorea spp.)の生育並びに塊茎の肥大生長について 第2報." 熱帯農業. 第35巻. 79-83 (1991)
Mitsuru Hayashi 和 Kiyotake Ishibata:“关于山药块茎生长和膨大的第二份报告。热带农业”,第 35 卷,79-83(1991 年)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
林 満: "ヤムイモ(dioscorea spp.)の生育並びに塊茎の肥大生長について 第3報." 熱帯農業. 第36巻. (1992)
Mitsuru Hayashi:“关于山药块茎生长和膨大的第三次报告”《热带农业》,第 36 卷(1992 年)。
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- 影响因子:0
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HAYASHI Mitsuru其他文献
HAYASHI Mitsuru的其他文献
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山药块茎生长膨大的植物生长物质的研究(Dioscorea alata L.)
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