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Optimization of chitosan level to alleviate the drastic effects of heat stress in cucumber (Cucumis sativus L.)

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Title: Optimization of chitosan level to alleviate the drastic effects of heat stress in cucumber (Cucumis sativus L.)

Authors: Mujahid Ali, Chaudhary Muhammad Ayyub, Zahoor Hussain, Rashid Hussain, and Shahla Rashid

Journal: Journal of Pure and Applied Agriculture (JPAA)

HEC Recognition History
Category From To
Y 2024-10-01 2025-12-31
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
Y 2020-07-01 2021-06-30

Publisher: Allama Iqbal Open University, Islamabad (AIOU)

Country: Pakistan

Year: 2020

Volume: 5

Issue: 1

Language: English

Keywords: Abiotic stressChitosanCucumberHeat stress Optimization

Categories
Agriculture (14814) Plant Physiology (9591) Stress Biology (39) Cucumber (11) Bio-technology (1)

Abstract

Heat stress is a major concern during cucumber production. To explore its production potential, chitosan could play a vital role in alleviation of heat stress. This study was planned to evaluate the potential of chitosan in cucumber growth where it is more effective under high temperature with two factorial under CompletelyRandomized Design (CRD). Four genotypes were previously screened out; two were tolerant (L3466, Desicucumber) and two were sensitive (Suyo Long and Poinsett). These genotypes were grown in the growth room having a normal temperature (28°C/22°C day/night). One day before heat treatment (40 ºC/32 ºC day/night), chitosan foliar spray with different concentrations (0, 50, 100, 150,

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