RESEARCH ON DROUGHT RESISTANCE OF SOME  LOCAL PEANUT VARIETIES (Arachis hypogaea)  AT SEEDLINGS STAGE FOR SELECTION AND BREEDING

Vì Thị Xuân Thủy; Nguyễn Thị Thanh Nga

doi:10.34238/tnu-jst.12088

RESEARCH ON DROUGHT RESISTANCE OF SOME LOCAL PEANUT VARIETIES (Arachis hypogaea) AT SEEDLINGS STAGE FOR SELECTION AND BREEDING

About this article

Received: 19/02/25 Revised: 27/03/25 Published: 28/03/25

Authors

1. Vi Thi Xuan Thuy , Tay Bac University
2. Nguyen Thi Thanh Nga, Tay Bac University

Abstract

Arachis hypogaea is an important oilseed crop, providing high quality oil rich in protein, vitamins and minerals. Drought is the most important abiotic stress causing severe losses in peanut yield and quality worldwide. In Vietnam, peanut growing has beenincreasingly shrinking, productivity and output are decreasing due to drought. Therefore, the objective of this study is to evaluate the drought tolerance of some local peanut varieties (den, hoa van, do Mai Son, do Quynh Nhai) and hybrid peanut varieties L14, L27. We used artificial drought method and determined drought tolerance performance, chlorophyll sustainability index, photosynthetic intensity, transpiration intensity, proline content of peanut varieties in drought and recovery stages. The results showed that local peanut varieties had better drought tolerance than hybrid peanut varieties. The drought tolerance of the varieties is ranked as follows: den > do Quynh Nhai > hoa van > do Mai Son > L14 > L27. The results of this study are the basis for providing starting materials for selecting and creating peanut varieties with high drought resistance.

Keywords

Arachis hypogaea L.; Chlorophyll; Drought tolerant; Proline; Seedling

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DOI: https://doi.org/10.34238/tnu-jst.12088

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