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157057

GENETIC STUDIES ON SOME QUANTITATIVE TRAITS IN PEA 2. INHERITANCE OF NUMBER OF DAYS TO FLOWERING AND SOME POD CHARACTERISTICS

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Last updated: 04 Jan 2025

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Abstract

this study was conducted in Horticulture Research Institute during the period from 2012 to 2015 to study the inheritance of some garden pea economic characters, viz., number of days to flowering, pod length, number of seeds/pod, seed weight and shelling percentage. Four garden pea cvs., viz, Master, Perfection 57, Prism and Twin were chosen to produce 3 crosses and their reciprocals. Results showed that maternal effect was absence in all studied characters. Over dominance and complete dominance was detected for high shelling percentage. Complete dominance towards high parent and absence of dominance were found on number of seeds/pod. Partial dominance was detected for late flowering parents in all the studied crosses. High pod length and high seed weight were dominant in some studied crosses and the opposite found in the others. Positive heterosis over the better parent was found in all the studied crosses for number of days to flowering (based on the early flowering parent) trait, meanwhile, Negative heterosis was detected in all studied crosses for pod length and seed weight traits. For number of seeds/pod and shelling percentage traits, positive hetrosis was found in one cross and the opposite was found in the other. Minimum number of estimated genes was one for number of days to flowering, number of seeds/pod and shelling percentage traits, while it was 3-18 for pod length and 1-6 for seed weight. Broad sense heritability estimates were 93.47%-94.74% for number of days to flowering, 31.47%-66.38% for pod length, 29.22%-59.78 for number of seeds/pod, 23.88%-42.23% for seed weight and 41.41%-58.42% for shelling percentage.

DOI

10.21608/ejar.2015.157057

Keywords

Pisum sativum, Dominance, Heterosis, Number of genes, heritability, earliness, Pod length, shelling percentage

Authors

First Name

ESAM M.

Last Name

KHALIL

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Affiliation

Veg. Res. Dept., Horticulture Res. Inst., ARC, Giza, Egypt.

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First Name

AHMED H.

Last Name

HUSSEIN

MiddleName

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Affiliation

Veg. Res. Dept., Horticulture Res. Inst., ARC, Giza, Egypt.

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First Name

ASHRAF A.

Last Name

HAMED

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Affiliation

Veg. Res. Dept., Horticulture Res. Inst., ARC, Giza, Egypt.

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Volume

93

Article Issue

4

Related Issue

22954

Issue Date

2015-12-01

Receive Date

2015-07-05

Publish Date

2015-12-01

Page Start

1,231

Page End

1,251

Print ISSN

1110-6336

Online ISSN

2812-4936

Link

https://ejar.journals.ekb.eg/article_157057.html

Detail API

https://ejar.journals.ekb.eg/service?article_code=157057

Order

17

Type

Original Article

Type Code

1,041

Publication Type

Journal

Publication Title

Egyptian Journal of Agricultural Research

Publication Link

https://ejar.journals.ekb.eg/

MainTitle

GENETIC STUDIES ON SOME QUANTITATIVE TRAITS IN PEA 2. INHERITANCE OF NUMBER OF DAYS TO FLOWERING AND SOME POD CHARACTERISTICS

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Article

Created At

22 Jan 2023