Genetic Analysis of Some Seedling Characters in Protected Cucumber

ACTA HORTICULTURAE SINICA ›› 2002, Vol. 29 ›› Issue (5): 443-446.

• 研究论文 • Previous Articles Next Articles

Genetic Analysis of Some Seedling Characters in Protected Cucumber

Gu Xingfang, Zhang Chunzhen, Feng Linlin, Fang Xiujuan, and Zhang Tianming

(Institute of Vegetables and Flowers , Chinese Academy of Agricultural Sciences , Beijing 100081 , China)

Received:1900-01-01 Revised:1900-01-01 Online:2002-10-25 Published:2002-10-25

Abstract

Abstract: Six cucumber inbred lines for protected cultivation were used as materials in the experiment . The genetic analysis of some seedling characters , including cotyledon area , true leaf area , fresh mass above-ground were
conducted by using complete diallel crossing (without reciprocal crossing) . Results showed that the inheritances of cotyledon area , true leaf area and fresh mass above2ground were mainly dominant effect . The broad heritabilities of themwere 93. 3 % , 97. 2 % and 94. 3 % , while the narrow heritabilities of them were 35. 3 % , 43. 7 % and 52. 9 % respectively. However , the inheritances of plant height and plumular axis length were mainly additive effect . The broad heritabilities of them were 98. 2 % and 97. 8 % , while the narrow heritabilities of them were 78. 2 % and 87. 6 % respectively. The genes controlling these characters might be oligogene or oligogenome.

Key words: Cucumber, Seedling stage, Character, Diallel crossing, Genetic analysis, Heritability

CLC Number:

S 642. 2

Gu Xingfang;Zhang Chunzhen;Feng Linlin;Fang Xiujuan;and Zhang Tianming. Genetic Analysis of Some Seedling Characters in Protected Cucumber[J]. ACTA HORTICULTURAE SINICA, 2002, 29(5): 443-446.

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Genetic Analysis of Some Seedling Characters in Protected Cucumber

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