Studies on Heterosis for Yield and Its Related Traits in Single and Double Low Cytoplasmic Male Sterile Hybrid of Brassica napus.

doi:10.3321/j.issn:1000-7091.1994.z1.011

Abstract

Abstract: Nine single and double low CMS Brassica napes were used.The results ofhybrid heterosis for yield and its related traits indicated that:the yield heterosis of CMS B.napes hybrid was significant,but it showed a highly difference among the crosses.The number of pods per plant had not only a significant heterosis,but also a significantly positive correlation to the yield per plant,which contributed highest for the yield per plant.Most oftraits had different heterosis.Significant heterosis were observed on the pods number perplant.Seed yield per plant,fresh and dry weight of young plant.These trait,could usedas the standards of identifying heterosis.

Key words: Brussicu naptrs, Cytoplasmic male sterility, Heterosis

CLC Number:

S565.4

Zhang Shufen, Fu Tingdong, Song Wenguang. Studies on Heterosis for Yield and Its Related Traits in Single and Double Low Cytoplasmic Male Sterile Hybrid of Brassica napus.[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1994, 9(S1): 51-56. doi: 10.3321/j.issn:1000-7091.1994.z1.011.

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