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

Chinese Journal of Applied Ecology

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

Batur Bake ^1，2,ZHENG Dawei ¹,Herman van Keulen ²,Jan Verhagen², WU Funing¹,ZENG Xiaoguang³

¹Collage of Resources and Environmental Science,China Agricultural University,Beijing 100094,China;²Plant Research International,Business Unit Agrosystems Research,P.O.Box 16,6700 AA,Wageningen,Netherlands; ³Beijing Academy of Agricultural and Forestry Sciences,Beijing 100087,China

Received:2004-09-02 Revised:2005-01-26 Online:2005-07-18

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: Triticum aestivum, Amino acid-N, NH₄⁺-N, Transaminase, Sterile culture

Batur Bake ^1，2,ZHENG Dawei ¹,Herman van Keulen ²,Jan Verhagen², WU Funing¹,ZENG Xiaoguang³. Photo-thermal characteristics of a non-photosensitive and extra-premature winter wheat variety[J]. Chinese Journal of Applied Ecology.

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

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