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  1. Vol. 11 No. 2, p. 190-193
     
    Received: Feb 7, 1970
    Published: Mar, 1971


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doi:10.2135/cropsci1971.0011183X001100020007x

Relationships Between Yield and Its Components and Structures Above the Flag Leaf Node in Spring Wheat1

  1. P. Hsu and
  2. P. D. Walton2

Abstract

Abstract

The relationship of yield in spring wheat (Triticum aestivum) with its components and the morphological structures above the flag leaf node which contribute to the photosynthetic area were studied under both field and greenhouse conditions. Five varieties, with the F1, F2, and backcross progenies of a complete diallel set of crosses between them, were considered. Ear length, flag leaf sheath length and flag leaf breadth influenced yield and its components significantly. Ear number per plant was the most important component in determining yield per plant.

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