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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 March, 2024
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DOI Prefix : 10.37322
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Vol. 8 (4) : July-August 2017 issue
Green Farming Vol. 8 (4) : 795-801 ; July-August, 2017
Estimate of heterosis, heterobeltiosis and economic heterosis for yield and its attributes in Eruca sativa
GANGA RAM1*, M.L. JAKHAR2 and E.V.D. SASTRY3
Department of Plant Breeding and Genetics, SKN College of Agriculture (SKNAU), Jobner - 303 329 (Rajasthan)
Designation :  
1Assistant Seed Certification Officer *(grspbg87@gmail.com), 2,3Professor
Subject : Crop Genetics and Plant Breeding
Paper No. : P-6426
Total Pages : 7
Received : 02 January 2017
Revised accepted : 29 May 2017
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Citation :

GANGA RAM, M.L. JAKHAR and E.V.D. SASTRY. 2017. Estimate of heterosis, heterobeltiosis and economic heterosis for yield and its attributes in Eruca sativa. Green Farming  Vol. 8 (4) : 795-801 ; July-August, 2017

ABSTRACT
The most important aspect for the economic exploitation of hybrid vigour in to study the extent of heterosis for agriculturally economic traits and their feasibility in commercial use. In the present investigation ten genetically diverse open pollinated populations of taramira [Eruca sativa (Mill.)] were crossed in a diallel mating design (excluding reciprocals) during rabi season of 2012-13. The resultant 45 F1's along with parents were evaluated in RBD with three environments (dates of sowing) with three replications during, Rabi 2013-14. In the present investigation, highly heterotic crosses RTM-1358 x RTM-1415, RTM-314 x RTM-1351 and RTM-1212 x RTM-1358 in all the environments, were desirable as they had high seed yield per plant, high sii' values, with high heterosis, heterobeltiosis and economic heterosis not only for seed yield per plant but for some than the other yield traits studied. Since these are varietal crosses, construction of superior populations from the segregants of these crosses is highly recommended. Based upon the results of present study, it is concluded that as there exist a considerable amount of heterosis for various characters including seed yield, development of hybrid varieties holds promise once inbreds are available. Development of inbreds is at present is not feasible because of self incompatibility. If RTM-1358, RTM-1415, RTM-314, and T-27 are used in the hybrid development programme greater strides in seed yield improvement may be expected.
Key words :
Economic heterosis, Eruca sativa, Heterosis, Heterobeltiosis, Yield attributes.