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Acta Agron Sin ›› 2004, Vol. 30 ›› Issue (09): 916-921.

• ORIGINAL PAPERS • Previous Articles     Next Articles

The Relationship between Source-sink Intensity and Starch Accumulation during Grain Filling Period in Two Winter Wheat Cultivars with Different Spike Types

WANG Wen-Jing   

  1. Department of Biology, Zhengzhou Animal Husbandry Engineering College，Zhengzhou 450008, Henan
  • Received:2003-05-14 Revised:2003-11-02 Online:2004-09-12 Published:2004-09-12
  • Contact: WANG Wen-Jing

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Abstract: Large-spike type cultivar Yumai 66 and small-spike type cultivars Yumai 49 were used to study the relationship between their source-sink intensity and starch accumulation during grain filling stage. Changes in photosynthetic rate，sucrose content and sucrose phosphate synthase（SPS）activity in flag

Key words: Winter wheat, Spike type, Source-sink intensity, Starch, Enzyme

CLC Number: 

  • S512
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