Vol. 6, Issue 5 (2018)
Study of heterosis and inbreeding depression for yield and quality traits in garden pea [Pisum sativum var. (L.) hortense]
Author(s): Hirdesh Yadav, YV Singh, Pooja and Preeti Massey
Abstract: F1 and F2 generations of fifteen cross combinations developed from 6 X 6 diallel analysis excluding reciprocals were evaluated along with parents to know the magnitude of heterosis over better parent and standard check and inbreeding depression for yield and quality traits in garden pea. Pant Uphar × Nepal Pea, PSM-4 × Nepal Pea and Nepal Pea × PEVAR-6 were the crosses which exhibited negative and significant standard heterosis (in desirable direction) for D 50%F, NNFF and DFGPP. These crosses showing high negative heterosis can be exploited for recovering early recombinants in advance generations. For NPPP, crosses Pant Uphar × Nepal Pea and PSM-4 × Arka Ajit expressed positive and significant heterobeltiosis whereas Pant Uphar × Nepal Pea and Nepal Pea × PEVAR-6 expressed the maximum positive and significant heterosis over the check variety. Pant Uphar × PSM-4 exhibited desired significant economic heterosis NSPP whereas for NPBPP, PSM-4 × NDVP-250 followed by Pant Uphar × PSM-4 expressed positive and significant standard heterosis. These findings can be further utilized to develop and enhance the yield potential of pea cultivars.
For protein content %, PSM-4 × NDVP-250 expressed positive heterobeltiosis along with desirable non-significant inbreeding depression whereas for TSS % PSM-4 × PEVAR-6 and Pant Uphar × PSM-4 showed desired (positive) heterosis over BP and SV with desirable non-significant inbreeding depression. Hence, these crosses could be useful in future breeding programme for improvement in quality traits of garden pea.
Pages: 1229-1235 | 546 Views 118 Downloads
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How to cite this article:
Hirdesh Yadav, YV Singh, Pooja, Preeti Massey. Study of heterosis and inbreeding depression for yield and quality traits in garden pea [Pisum sativum var. (L.) hortense]. Int J Chem Stud 2018;6(5):1229-1235.
