Analysis of the independent- and interactive-photo-thermal effects on soybean flowering

doi:10.1016/S2095-3119(14)60856-X

	Analysis of the independent- and interactive-photo-thermal effects on soybean flowering
	Wu Ting-ting; Li Jin-yu; Wu Cun-xiang; Sun Shi; Mao Ting-ting; Jiang Bing-jun; Hou Wen-sheng; Han Tian-fu
刊名	JOURNAL OF INTEGRATIVE AGRICULTURE
	2015
卷号	14 期号:4 页码:622-632
关键词	soybean flowering photoperiod temperature photo-thermal response
ISSN号	2095-3119
DOI	10.1016/S2095-3119(14)60856-X
通讯作者	Wu Ting-ting
英文摘要	Soybean (Glycine max (L.) Merr.) is a typical short-day and warm season plant, and the interval between emergence and flowering has long been known to be regulated by environmental factors, primarily photoperiod and temperature. While the effects of photoperiod and temperature on soybean flowering have been extensively studied, a dissection of the component photo-thermal effects has not been documented for Chinese germplasnn. Our objective of the current study was to evaluate the independent- and interactive-photo-thermal responses of 71 cultivars from 6 ecotypes spanning the soybean production regions in China. These cultivars were subjected in pot experiments to different temperature regimes by planting in spring (low temperature (LT)) and summer (high temperature (HT)), and integrating with short day (SD, 12 h), natural day (ND, variable day-length), and long day (LD, 16 h) treatments over two years. The duration of the vegetative phase from emergence to first bloom (R-1) was recorded, and the photo-thermal response was calculated. The outcome of this characterization led to the following conclusions: (1) There were significant differences in photo-thermal response among the different ecotypes. High-latitude ecotypes were less sensitive to the independent- and interactive-photo-thermal effects than low-latitude ecotypes; and (2) there was an interaction between photoperiod and temperature, with the effect of photoperiod on thermal sensitivity being greater under the LD than the SD condition, and with the effect of temperature on photoperiodic sensitivity being greater under the LT than the HT condition. The strengths and limitations of this study are discussed in terms of implications for current knowledge and future research directions. The study provides better understanding of photo-thermal effects on flowering in soybean genotypes from different ecotypes throughout China and of the implications for their adaptation more broadly.
学科主题	Agriculture, Multidisciplinary
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000353094700003
内容类型	期刊论文
源URL	[http://111.203.20.206/handle/2HMLN22E/4792]
专题	作物科学研究所_遗传育种系
作者单位	Chinese Acad Agr Sci, Inst Crop Sci, Minist Agr, Key Lab Soybean Biol Beijing, Beijing 100081, Peoples R China
推荐引用方式 GB/T 7714	Wu Ting-ting,Li Jin-yu,Wu Cun-xiang,et al. Analysis of the independent- and interactive-photo-thermal effects on soybean flowering[J]. JOURNAL OF INTEGRATIVE AGRICULTURE,2015,14(4):622-632.
APA	Wu Ting-ting.,Li Jin-yu.,Wu Cun-xiang.,Sun Shi.,Mao Ting-ting.,...&Han Tian-fu.(2015).Analysis of the independent- and interactive-photo-thermal effects on soybean flowering.JOURNAL OF INTEGRATIVE AGRICULTURE,14(4),622-632.
MLA	Wu Ting-ting,et al."Analysis of the independent- and interactive-photo-thermal effects on soybean flowering".JOURNAL OF INTEGRATIVE AGRICULTURE 14.4(2015):622-632.