Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Nutrients Composition Changes in Leaves of Quercus leucotrichophora from Different Seasons and Altitudes in the North-West Himalaya

Version 1 : Received: 29 June 2022 / Approved: 20 July 2022 / Online: 20 July 2022 (05:12:55 CEST)

How to cite: Sharma, S.; Puri, S. Nutrients Composition Changes in Leaves of Quercus leucotrichophora from Different Seasons and Altitudes in the North-West Himalaya. Preprints 2022, 2022070293 (doi: 10.20944/preprints202207.0293.v1). Sharma, S.; Puri, S. Nutrients Composition Changes in Leaves of Quercus leucotrichophora from Different Seasons and Altitudes in the North-West Himalaya. Preprints 2022, 2022070293 (doi: 10.20944/preprints202207.0293.v1).

Abstract

Quercus leucotrichophora leaves were collected for assessment of nutritive composition between four seasons i.e. spring season (March-April), summer season (June-July), autumn (September-October), winter December-January) respectively, in 2017. The experiment was conducted within the laboratory of Shoolini University campus. Leaves samples were collected from 12 different provenances starting from 1189 to 2578 m a.s.l. Crude protein, ash content, ether extract, phenol content, total sugar and tannin content were expressively higher within middle to higher altitudinal populations. Crude fiber, ether extract, acid detergent fibre, neutral detergent fibre, saponin content were higher in winter month while crude protein, ash content, phenol content, tannin content were higher in autumn season. Total sugar was higher in summer season and nitrogen free extract was higher in spring season. Q. leucotrichophora leaves were harvested at the right stage of maturity (winter months) offers considerable potential as good quality forage for livestock to meet the deficiency of nutritive components.

Keywords

altitudinal variation; nutrient composition; Quercus leucotrichophora; seasonal variation

Subject

BIOLOGY, Plant Sciences

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