Yielding Ability and Adeptability of Four Types of Corn Hybrids in Henan Province

doi:10.3321/j.issn:1000-7091.1993.z1.005

Abstract

Abstract: The results of the study on yielding ability and adaptability of 4 types of 12 com hybrids indicated that the yield and the adaptive areas of different types of hybrids were different,and so were the same types. Compared with the original single crosses H. yu-5 and H. yu-3,the modified single crosses H. yu-5 and H. yu-3 could yield much higher,and also,their adaptive areas were wider. The yield of three-way cross and double cross was not as high as that of single cross,but the yield of Zheng 3-3 and Zheng double-3 was equal to that of the famous single cross Danyu-13 or higher than it. Compared with the general plant type of single cross,the arrect type of single cross could highly yield.

Key words: Maize, Modified single cross, Hybrid, Yielding ability, Adaptive area

Shi Jingzhi, Li Shizhen. Yielding Ability and Adeptability of Four Types of Corn Hybrids in Henan Province[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1993, 8(S1): 21-24. doi: 10.3321/j.issn:1000-7091.1993.z1.005.

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