Research Article

The Effects of Water Stress on Cotton Leaf Area and Leaf Morphology

Volume: 26 Number: 1 February 28, 2023
TR EN

The Effects of Water Stress on Cotton Leaf Area and Leaf Morphology

Abstract

The most important effect of water stress on plants is that it reduces leaf area and leads to changes in leaf morphology. Decreased leaf area results in reduces crop yield through the reduction in photosynthesis. This study investigates the effects of the decrease in leaf area on seed cotton yield, evapotranspiration (ET), water use efficiency (WUE), and leaf geometry in cotton plants under water stress in different growth periods. The cotton plant was divided into three different growth periods (vegetative period (VP), flowering and boll growth period (FB), and boll opening (BO) period), and irrigation water was applied at field capacity level during the periods of full irrigation (T), while non-irrigation was applied during the water stress periods (O). In the experiment, 6 different irrigation strategies were based on: OOO, TTT, OTO, TOO, OTT, and TOT. In each treatment, five leaves were taken from three plants in every replicate during three growth periods, and the leaf area and geometric lengths of each leaf were measured. Seed cotton yield, evapotranspiration, and WUE decreased significantly depending on the severity and duration of the water stress to which the cotton was exposed. Physiologically, cotton leaves under water stress in the first stage of growth tended to increase the leaf lobe numbers while reducing the leaf area. Therefore, there were more leaf lobes numbers measured in OOO than in other treatments. Irrigation in the vegetative growth period was more effective in increasing the leaf area than the other growth periods.

Keywords

Supporting Institution

tübitak

Project Number

214O254

Thanks

This study was carried out within the scope of the project supported by the Scientific and Technological Research Council of Turkey (TUBITAK) (Project No: 214O254).

References

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Details

Primary Language

English

Subjects

Agricultural, Veterinary and Food Sciences

Journal Section

Research Article

Publication Date

February 28, 2023

Submission Date

September 8, 2021

Acceptance Date

February 24, 2022

Published in Issue

Year 2023 Volume: 26 Number: 1

APA
Ödemiş, B., & Kazgöz Candemir, D. (2023). The Effects of Water Stress on Cotton Leaf Area and Leaf Morphology. Kahramanmaraş Sütçü İmam Üniversitesi Tarım Ve Doğa Dergisi, 26(1), 140-149. https://doi.org/10.18016/ksutarimdoga.vi.992764

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