INFLUENCE OF IRRIGATION AT CRITICAL STAGES ON YIELD AND QUALITY OF SUNFLOWER

A.NANDHAGOPAL; K.S. SUBRAMANIAN; A.GOPALAN AND A.BALASUBRAMANIAN

doi:https://doi.org/10.29321/MAJ.10.A00991

Madras Agricultural Journal

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INFLUENCE OF IRRIGATION AT CRITICAL STAGES ON YIELD AND QUALITY OF SUNFLOWER

Author: A.NANDHAGOPAL, K.S. SUBRAMANIAN, A.GOPALAN AND A.BALASUBRAMANIAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 83, Issue: mar-mar,

DOI:https://doi.org/10.29321/MAJ.10.A00991

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Abstract

Field experiments were conducted in summer and Kharif seasons during 1991-92 at the Agricultural Research Station, Bhavanisagar to study the critical stages of irrigation requirement for sunflower. Results revealed that skipping irrigations at button initiation, flowering and seed filling stages significantly reduced the seed yield of sunflower by 19.6, 31.2 and 9.4 per cent in summer and 11.9, 10.2 and 11.5per cent in Kharif respectively over the optimal level of irrigations scheduled. Response to irrigations was more pronounced in summer than kharif

Keywords: Sunflower, Stages, Irrigation, Yield

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