Regularity of Some Wheat Drought-resistance Physiological Traits at Different Developmental Stages and the Most Adaptive Stage

doi:10.7668/hbnxb.1999.S1.010

Abstract

Abstract: The study was conducted with 9 winter wheats of different drought resistance under semiarid and irrigated conditions. The six physiological drought resistance characteristic were mea-sured at 5 developmental stages and the most adaptive stages had been determined. It was found that the accumulation of free proline at about 10 days after turning green,MDA contents,RWC at joining, RWL, Chla/Chlb at heading-anthesis and Chla+ Chlb at booting were suitable for the se-lection of drought resistance.

Key words: Winter Wheat, Drought-resistance, Physiological trait, Development stage

CLC Number:

S512.11

Chen Rongmin，Lu Shaoyuan，Zhang Rongzhi. Regularity of Some Wheat Drought-resistance Physiological Traits at Different Developmental Stages and the Most Adaptive Stage[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1999, 14(S1): 45-49. doi: 10.7668/hbnxb.1999.S1.010.

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