Study on Heterosis Utilization of Insect-resistant Hybrid Cotton

doi:10.3321/j.issn:1000-7091.2002.z1.025

Abstract

Abstract: Crosses were made between the new insect resistant varieties(lines) and the insect resistant variety(line) and the not insect resistant variety(line),to analyze heterosis in the different types of insect resistant hybrid cotton.The result showed that pro frost lint yield heterosis was high,it was higher than pro frost seed yield.The heterosis in lint percent,average weight per boll and plant height were obvious,they were more obvious than number of branch per plant.Seed index and number of boll per plant did not show heterosis.Insect resistance and disease resistance were different by hybrid types.

Key words: Insect resistant, Cotton, Hybrid, Heterosis, Utilization, Types

CLC Number:

S562.

LIU Cun-jing, LI Yan-zeng, LI Zhi-shu, LIU Su-en. Study on Heterosis Utilization of Insect-resistant Hybrid Cotton[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2002, 17(S1): 115-119. doi: 10.3321/j.issn:1000-7091.2002.z1.025.

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