Studies on Phenology and Reproductive Biology of Khejri [Prosopis cineraria (L.) Druce]

DOI: 10.18805/IJARe.A-5243    | Article Id: A-5243 | Page : 110-114
Citation :- Studies on Phenology and Reproductive Biology of Khejri [Prosopis cineraria (L.) Druce].Indian Journal Of Agricultural Research.2021.(55):110-114
Preeti Singh, K.S. Bangarwa, R.S. Dhillon preetiarad919@gmail.com
Address : Department of Forestry, CCS Haryana Agricultural University, Hisar- 125 004, Haryana, India.
Submitted Date : 8-03-2019
Accepted Date : 1-08-2020

Abstract

Background: Khejri [Prosopis cineraria (L.) Druce] belongs to the family Leguminosae and subfamily Mimosoideae. The rural communities encourage the growth of Khejri in their agricultural fields as it improves grain yield and storage biomass production. It is the true multipurpose species and also called as ‘Golden Tree of Desert’, ‘Kalpvriksha’ of the desert, ‘King of desert’, ‘Love Tree’, and ‘Pride of the Desert’. For any tree improvement programme, knowledge of phenology and breeding system is pre-requisite, which also helps in understanding the evolutionary dynamics of a species. The range of genetic variability is controlled by reproductive system, which in turn controls the adaptive change. Pollination mechanisms affect seed set, fertility, gene flow, breeding systems, hybridization and genetic constitutions of tree populations.
Methods: In this investigation during 2014-15, ten trees of [Prosopis cineraria (L.) Druce] growing at the research area of Forestry Department of CCS Haryana Agricultural University, Hisar were randomly selected and phenological observations were made on the selected trees at different phenophases. Through selfing, breeding behaviour was examined, by covering the inflorescence with muslin cloth bags before opening. Approximately, an equal number of buds were kept open in close vicinity of the covered branch. Reproductive capacity was estimated from the percentage of fruit setting in marked inflorescence.
Result: In present study of Prosopis cineraria, the average fruit set under self-pollination was nil whereas it was 2.03 per cent in open natural pollination. This study confirms previous studies that Prosopis cineraria is a cross-pollinated species.

Keywords

Khejri Pollination Prosopis cineraria Reproductive biology

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