The primary Study of Improving Corn Seed Production Technique by Sib-cross Hybrids

doi:10.3321/j.issn:1000-7091.1994.01.010

Abstract

Abstract: From 1987 to 1989, the main problems of improving corn seed production techpique which may be used to substitute the inbred line by sib-cross hybrids were studied. The results showed that the yield and agronomical u-niformity of sib-cross hybrids were better than inbreds'and seed output were raised over 50%. The combining ability of sib-cross hybrids was similar to the inbreds and was heritable.The output and uniformity of modified hybrids was similar to hybrids.

Key words: Corn, Sib-cross hybrids, Modified hybrids, Combining ability, Agronomical haracters, Uniformity

CLC Number:

S513.03

Liu Jingbao, Chen Weicheng. The primary Study of Improving Corn Seed Production Technique by Sib-cross Hybrids[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1994, 9(1): 48-51. doi: 10.3321/j.issn:1000-7091.1994.01.010.

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