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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 March, 2024
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Frequency : Bimonthly
Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
E-ISSN : 2582-4198
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Vol. 8 (2) : March-April 2017 issue
Green Farming Vol. 8 (2) : 260-265 ; March-April, 2017
Heterosis and combining ability studies for yield and yield components in mungbean (Vigna radiata (L.) Wilczek
G. GOVARDHANa1*, K.H.P. REDDYa2, D.M. REDDYa3, P. SUDHAKARb4 and B.V.B. REDDYc5
aDepartment of Genetics and Plant Breeding, bDeptt. of Crop Physiology,
cDeptt. of Plant Pathology, R.A.R.S, S.V. Agricultural College, (Acharya N.G. Ranga Agricultural University) Tirupati - 517 502 (Andhra Pradesh)
Designation :  
1Teaching Associate *(govardhan.anantapur@gmail.com), 2,3Professor and Head, 4,5Professor
Subject : Crop Genetics and Plant Breeding
Paper No. : P-5898
Total Pages : 6
Received : 22 September 2016
Revised accepted : 10 February 2017
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Citation :

G. GOVARDHAN, K.H.P. REDDY, D.M. REDDY, P. SUDHAKAR and B.V.B. REDDY. 2017. Heterosis and combining ability studies for yield and yield components in mungbean [Vigna radiata (L.) Wilczek]. Green Farming Vol. 8 (2) : 260-265 ; March-April, 2017

ABSTRACT
An investigation was carried out to asses heterosis and combining ability for yield and yield attributes of mungbean under irrigated and moisture stress environments. Seven mungbean genotypes were crossed in half diallel fashion. The resulting 21 F1 hybrids and their parents were evaluated under two water regimes viz., irrigated and moisture stress condition (created through rainout shelter). Heterosis over mid parent and better parent values for yield and yield components varied bi-directionally according to crosses and characters. Three parents MGG 347, MGG 351 and LGG 460 under irrigated condition and four parents MGG 347, MGG 351, LGG 460 and LGG 528 under moisture stress condition were identified as desirable general combiners as they exhibited significantly high GCA effects for seed yield per plant along with one or few yield attributes in positive direction. The F1 hybrids viz., MGG 347 × MGG 351, MGG 351 × LGG 460 and LGG 460 × LGG 528 were identified as desirable specific cross combinations as these exhibited significantly high SCA effects for seed yield per plant along with few yield attributes in irrigated as well as moisture stress conditions. Hence, these crosses might be further utilized in breeding programmes to isolate desirable segregants having drought tolerance.
Key words :
Combining ability, GCA & SCA effects, Heterosis, Mungbean, Yield and yield attributes.