alexa Heterosis in Blackgram (Vigna Mungo L. Hepper) - Histor
ISSN: E 2347-226X, P 2319-9857

Research & Reviews: Journal of Agriculture and Allied Sciences
Open Access

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Review Article

Heterosis in Blackgram (Vigna Mungo L. Hepper) - History and Future Thrust

S Isha Parveen*, M Reddi Sekhar, DM Reddy and P Sudhakar.

Department of Genetics and Plant Breeding, SV Agricultural College, Tirupati, Andhra Pradesh, India.

*Corresponding Author:
S Isha Parveen
Department of Genetics and Plant Breeding,
SV Agricultural College,
Tirupati, Andhra Pradesh, India.

Received: 01 September 2013 Revised: 27 September 2013 Accepted: 02 October 2013



The present review highlights the past, present and future importance of heterotic studies in blackgram. Heterosis, the important genetic mechanism operates to bring superiority in F1 hybrid than their parents. Heterosis has been of immense economic value in agriculture and has important implications regarding the fitness and fecundity of individuals in natural populations. Considering blackgram (Vigna mungo L.), a pulse crop which is self pollinated, little work has been done on heterosis. This genetic tool is the basic mechanism in developing blackgram cultivars with high yielding potentials. The increase in blackgram production volume comes mainly from the increase in blackgram cultivated area. A possible breakthrough for this production limitation is to exploit hybrid vigor of the F1 for possible production of hybrid varieties. The magnitude of hybrid vigor is normally presented in terms of heterosis (superiority of the F1 hybrid over its parental mean) and heterobeltiosis (superiority of the F1 hybrid over its better parent). The results on heterosis so far in blackgram were encouraging and still there a scope to utilize this genetic phenonmenon to develop new cultivars superior than existing.


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