Photo-thermal characteristics of a non-photosensitive and extra-premature winter wheat variety

Abstract

Abstract: In a sowing by stages test with winter wheat variety Jingdong 8 (JD8) as reference,this paper studied the photo-thermal characteristics of a non-photosensitive and extra- premature winter wheat variety Dongzao 5 (DZ5),and the effects of sowing stages on its growth and yield.The results showed that the harvest date of DZ5 was 4～5 days earlier than that of JD8,and its yield with standard sowing date increased by 43.4%.In addition,DZ5 had a shorter thermoperiod for ear differentiation,and didn't need strict vernalization process and photoperiod,which could be sown either before or after winter.

Key words: Non-photosensitivity, Extra-prematurity, Winter wheat variety Dongzao 5, Photo-thermal characteristics

CLC Number:

Batur Bake, ZHENG Dawei, Herman van Keulen, Jan Verhagen, WU Funing, ZENG Xiaoguang . Photo-thermal characteristics of a non-photosensitive and extra-premature winter wheat variety[J]. Chinese Journal of Applied Ecology, 2005, 16(7): 1265-1269.

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