EFFECT OF SALICYLIC ACID FOLIAR APPLICATION TIME ON YIELD AND YIELD COMPONENTS OF SUNFLOWER UNDER DROUGHT STRESS CONDITIONS

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DOLATABADI S.; ARMIN M.; FILEHKESH E.

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Journal: JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES) Year:2013 | Volume:5 | Issue:2 Page(s): 177-188

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Title

EFFECT OF SALICYLIC ACID FOLIAR APPLICATION TIME ON YIELD AND YIELD COMPONENTS OF SUNFLOWER UNDER DROUGHT STRESS CONDITIONS

Author(s)

DOLATABADI S. | ARMIN M. | FILEHKESH E. | Issue Writer Certificate

Keywords

DROUGHT STRESSQ2

FOLIAR APPLICATIONQ2

SALICYLIC ACIDQ2

SUNFLOWERQ2

Abstract

To evaluate the effect of external application of SALICYLIC ACID and DROUGHT STRESS on yield and yield component of SUNFLOWER (Helianthus annuus L.), Hayson 25 cultivar, an experiment was conducted as split plot in the basis of completely randomized block design with three replications at Natural Resources, Agricultural Research Station, Sabzevar during 2010-2011. Experimental factors were DROUGHT STRESS as irrigation intervals: without stress (6 days interval), moderate stress (12 days interval) and intensive stress (18 days interval) and FOLIAR APPLICATION time of SALICYLIC ACID (SA) as 0.724 Mm in four levels (Control, FOLIAR APPLICATION in vegetative stage, FOLIAR APPLICATION in flowering stage and FOLIAR APPLICATION at vegetative+flowering stages). The results showed that the increasing of irrigation intervals from 6 to 18 days decreased seed yield, biological yield, seed per capitul and seed weight statistically, while the percentage of oil didn't show particular reaction to irrigation intervals. Six days interval irrigation produced the highest yield and yield components. Yield and yield components of SUNFLOWER had different response to SA FOLIAR APPLICATION time. The plant height, biological yield and seed per capitul were obtained with SA FOLIAR APPLICATION at vegetative stage, while FOLIAR APPLICATIONs in the flowering stage has maximum seed yield, seed weight and oil percentage. As a result, once exogenously applied SA as FOLIAR APPLICATION in vegetative or flowering stages mitigated the adverse effect of DROUGHT STRESS.

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APA: Copy

DOLATABADI, S., ARMIN, M., & FILEHKESH, E.. (2013). EFFECT OF SALICYLIC ACID FOLIAR APPLICATION TIME ON YIELD AND YIELD COMPONENTS OF SUNFLOWER UNDER DROUGHT STRESS CONDITIONS. JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), 5(2), 177-188. SID. https://sid.ir/paper/182311/en

Vancouver: Copy

DOLATABADI S., ARMIN M., FILEHKESH E.. EFFECT OF SALICYLIC ACID FOLIAR APPLICATION TIME ON YIELD AND YIELD COMPONENTS OF SUNFLOWER UNDER DROUGHT STRESS CONDITIONS. JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES)[Internet]. 2013;5(2):177-188. Available from: https://sid.ir/paper/182311/en

IEEE: Copy

S. DOLATABADI, M. ARMIN, and E. FILEHKESH, “EFFECT OF SALICYLIC ACID FOLIAR APPLICATION TIME ON YIELD AND YIELD COMPONENTS OF SUNFLOWER UNDER DROUGHT STRESS CONDITIONS,” JOURNAL OF CROP PRODUCTION RESEARCH (ENVIRONMENTAL STRESSES IN PLANT SCIENCES), vol. 5, no. 2, pp. 177–188, 2013, [Online]. Available: https://sid.ir/paper/182311/en

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