Evaluation the Effects of Periodic Water Stress on Yield, Yield Components and Water Productivity on Quinoa

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JAMALI S.; GOLDANI M.; Zeynodin S.M.

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Journal: Iranian Journal of Irrigation and Drainage Year:2020 | Volume:13 | Issue:6 Page(s): 1687-1697

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Title

Evaluation the Effects of Periodic Water Stress on Yield, Yield Components and Water Productivity on Quinoa

Author(s)

JAMALI S. | GOLDANI M. | Zeynodin S.M. | Issue Writer Certificate

Keywords

Irrigation regimesQ2

QuinoaQ1

Stress in flowering stageQ1

Stress in grain filling stageQ1

Stress in vegetative stageQ2

Abstract

The objective of this work was to evaluate the effects of periodic water stress on yield and yield components of Quinoa in the experimental research under greenhouse conditions. This research was conducted to study the effect of water stress on yield and yield components of Quinoa in the experimental research greenhouse of Ferdowsi university of Mashhad during 2018-19. NSRQC cultivar of Quinoa was planted and experimental design was completely randomized with five treatments and four replications. Treatments were full irrigation in all growth stages, water Stress in vegetative stage, water Stress in flowering stages, water Stress in grain filling stage and deficit irrigation in all growth stage treatment with supplemental irrigation in time of planting. Results showed that the effect of periodic water stress on leaf number, leaf panicle, panicle length, stem diameter, plant height, SPAD index, 1000 kernel weight, grain yield and water productivity were highly significant (P>0. 01), but different Irrigation regimes on branches number and panicle width were significant at 5 % levels. Results showed that the highest 1000 kernel weight (3. 99 g), grain yield (21. 2 g) and plant height (67. 9 cm) were in full irrigation in all growth stage treatment and the highest water productivity (2. 14 kgm-3) was in deficit irrigation in all growth stage treatment. With 50% reduction of water in vegetative stage, flowering stage, grain filling staged and deficit irrigation in all growth stage compared to full irrigation in all growth stage treatment, 1000 kernel weights were decreased by 19. 0, 9. 0, 4. 5, and 26. 6 % and Grain yield was decreased by 19. 3, 11. 8, 7. 5 and 21. 2% respectively. Due to the problems same as water shortage in most parts of the country, use of deficit irrigation (50% of FC. ) at grain filling stages for Quinoa cultivation is applicable.

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APA: Copy

JAMALI, S., GOLDANI, M., & Zeynodin, S.M.. (2020). Evaluation the Effects of Periodic Water Stress on Yield, Yield Components and Water Productivity on Quinoa. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, 13(6 ), 1687-1697. SID. https://sid.ir/paper/131797/en

Vancouver: Copy

JAMALI S., GOLDANI M., Zeynodin S.M.. Evaluation the Effects of Periodic Water Stress on Yield, Yield Components and Water Productivity on Quinoa. IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE[Internet]. 2020;13(6 ):1687-1697. Available from: https://sid.ir/paper/131797/en

IEEE: Copy

S. JAMALI, M. GOLDANI, and S.M. Zeynodin, “Evaluation the Effects of Periodic Water Stress on Yield, Yield Components and Water Productivity on Quinoa,” IRANIAN JOURNAL OF IRRIGATION AND DRAINAGE, vol. 13, no. 6 , pp. 1687–1697, 2020, [Online]. Available: https://sid.ir/paper/131797/en

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