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Acta Agron Sin ›› 1963, Vol. 2 ›› Issue (02): 117-130.

• ORIGINAL PAPERS •     Next Articles

STUDIES ON THE CHOICE OF PARENTS IN WHEAT CROSSES——Ⅰ.HEREROSIS AND COMBINING ABILITY IN F1 HYBRIDS

C.S.Chwang; H.L.Wang; C.M.Tseng; Y.C.Li; T.C. Li   

  1. Institute of Crop Breeding and Cultivation; Chinese Academy of Agricultural Sciences; Peking
  • Received:1900-01-01 Revised:1900-01-01 Online:1963-06-12 Published:1963-06-12

Abstract:

Heterosis and genetic variance component studies on 36 wheat crosses and 14 parentsrevealed that:1.Yield per plant,kernels per spike and kernel weight of F_1 hybrids showed a markedheterosis over mid-parental values by 20-30%.Plant height and date of heading ranked next,which averaged about 10% in magnitude,being negative in direction for heading date.Fertilespikelets per head manifested only a slight degree of heterosis.F_(1-)MP s for these characterswere highly significant as shown by t-tests.However,head...

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