Studies on the Role of Evolution in the Environment adaptation of Seedlings of Grass species

进化在禾本科植物幼苗环境适应中的作用研究

• 批准号: 09660350
• 负责人: NISHIZAWA Takeaki
• 金额: $ 0.96万
• 依托单位: Tohoku University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1997
• 资助国家: 日本
• 起止时间: 1997 至 1998
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-09660350/
• 关键词: Deep seeding; ethylene; first internode; inheritance; Triticum aestivum L.; Wheat; Carbon dioxide; エチレン受容体遺伝子; 品種間差異; 遺伝子の発現解析; 第1節間; 分離パターン

Deep-seeding and ethylene were found to stimulate extension growth of the first internode of intact wheat (Tritium asestivum L.) seedlings in darkness. Seedlings of Hong Mang Mai emerged from much deeper in the soil than the seedlings of the other varieties used and their first internodes elongated to a much greater extent in response to ethylene.Carbon dioxide slowed elongation of the first internode and inhibited ethylene action. In the present study, patterns of inheritance in the elongation of wheat first internodes and coleoptile responding to deep-seeding and ethylene were examined using three crosses. Length of the coleoptile in F_2 sergeants showed a sample unimodal distribution resembling a normal distribution both in deep-seeded and ethylene-treated plants. Except in one cross, however, length of the first internode inF_2 sergeants showed a unimodal distributions with large transgressive segregation on the shorter length side in deep-seeded plants and longer side exceeding the length of parents' first internodes in ethylene-treated plants. These results suggest that ability of plants to respond to ethylene, a regulatory factor for the elongation of the first internode in wheat, can be changed through genetic recombination.

研究了深播和乙烯处理对小麦第一节间伸长生长的影响。黑暗中的幼苗。红芒麦的幼苗比其他品种的幼苗从更深的土壤中出现，并且它们的第一节间对乙烯的反应在更大程度上延长。二氧化碳减缓了第一节间的伸长，抑制了乙烯的作用。本研究利用三个杂交组合研究了小麦第一节间伸长和胚芽鞘伸长对深播和乙烯反应的遗传模式。深种和乙烯处理的F_2种子的胚芽鞘长度均呈单峰分布，类似于正态分布。除一个组合外，F_2穗颈节间长度均呈单峰分布，深籽植株的短边有较大的超亲分离，乙烯处理植株的长边超过双亲的第一节间长度。这些结果表明，植物对乙烯的反应能力，小麦第一节间伸长的调节因子，可以通过遗传重组改变。

项目成果

西澤武明・菅洋 等: "コムギの深播き適応性の品種間差異とエチレン反応性の関連について" 日本作物学会東北支部報. 41. 57- (1998)

Takeaki Nishizawa、Hiroshi Suga 等：“小麦深播适应性与乙烯反应性的品种差异之间的关系”日本作物学会东北分会杂志 41. 57- (1998)。

T.NISHIZAWA,H.SUGE,and H.TAKAHASHI: "Adaptation of wheat seedlings to Deep Seeding : Pedigree of Takune Komugi" Tohoku Journal of Crop Science. 41. 61-62 (1998)

T.NISHIZAWA、H.SUGE 和 H.TAKAHASHI：“小麦幼苗对深播的适应性：Takune Komugi 的谱系”东北作物科学杂志。

西澤武明・菅洋等: "コムギの深播き適応性:タクネコムギの系譜について" 日本作物学会東北支部報. 41. 61-62 (1998)

Takeaki Nishizawa、Hiroshi Suga 等：“小麦对深播的适应性：关于 Triticum trifoliata 的谱系”日本作物学会东北分会杂志 41. 61-62 (1998)。