EFFECT OF DEFICIT IRRIGATION AND SUPER ABSORBENT POLYMER ON PHYSIOLOGICAL AND MORPHOLOGICAL CHARACTERISTICS OF SUNFLOWER

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NAZARLI H.; DARVISHZADEH R.; ZARDASHTI M.R.; RASOULI SADAGHIANI M.H.; GHAVIDEL F.

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Journal: Applied Agricultural Research Year:2015 | Volume:- | Issue:108 Page(s): 17-23

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Title

EFFECT OF DEFICIT IRRIGATION AND SUPER ABSORBENT POLYMER ON PHYSIOLOGICAL AND MORPHOLOGICAL CHARACTERISTICS OF SUNFLOWER

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Keywords

SUNFLOWERQ3

DEFICIT IRRIGATIONQ2

SUPER ABSORBENTQ2

Abstract

The objective of present study was to investigate the effect of different rates of SUPER ABSORBENT polymer and different levels of DEFICIT IRRIGATION on physiological and morphological characteristics of SUNFLOWER cultivar Master. The experiment was carried out as a factorial based on completely randomized design (CRD) with 15 treatments and 3 replicates under controlled conditions. Factors were DEFICIT IRRIGATION in three levels including irrigation at 0.75, 0.50, and 0.25% of field capacity (FC) and polymer in five levels including application of 0, 0.75, 1.5, 2.25, 3 gr polymer per kg of soil. Pots were weighted every day and irrigated when soil water received to 0.75, 0.50, and 0.25 of field capacity, respectively. The effects of different rates of polymer and different levels of consumed water were highly significant on all of studied characters. Yield diminution in irrigation at 50% of FC was 32% and at 25% of FC was 71% as well as chlorophyll amount diminution at 50% of FC was 8% and at 25% of FC was 42% compared to well watered condition (irrigation at 75% of FC). But, the application of SUPER ABSORBENT polymer moderated the negative effect of DEFICIT IRRIGATION, especially in high rates of polymer (2.25 and 3 gr/kg of soil). The seed yield was obtained from irrigation at 75% of FC and application of 2.25 and 3 gr polymers per kg soil. Concerning to chlorophyll amount the best situation was obtained from irrigation at 50% of FC and application of 3 gr polymer per kg soil. Results revealed that increasing in absorbent polymer lead to elevation in studied characters. Increasing polymer amount to 3 gr per kg soil results in improving WUE and yield until 60% and 31% respectively compared to non polymer application.It seems that absorbent polymer increased irrigation period in SUNFLOWER.

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APA: Copy

NAZARLI, H., DARVISHZADEH, R., ZARDASHTI, M.R., RASOULI SADAGHIANI, M.H., & GHAVIDEL, F.. (2015). EFFECT OF DEFICIT IRRIGATION AND SUPER ABSORBENT POLYMER ON PHYSIOLOGICAL AND MORPHOLOGICAL CHARACTERISTICS OF SUNFLOWER. APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI), -(108), 17-23. SID. https://sid.ir/paper/214742/en

Vancouver: Copy

NAZARLI H., DARVISHZADEH R., ZARDASHTI M.R., RASOULI SADAGHIANI M.H., GHAVIDEL F.. EFFECT OF DEFICIT IRRIGATION AND SUPER ABSORBENT POLYMER ON PHYSIOLOGICAL AND MORPHOLOGICAL CHARACTERISTICS OF SUNFLOWER. APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI)[Internet]. 2015;-(108):17-23. Available from: https://sid.ir/paper/214742/en

IEEE: Copy

H. NAZARLI, R. DARVISHZADEH, M.R. ZARDASHTI, M.H. RASOULI SADAGHIANI, and F. GHAVIDEL, “EFFECT OF DEFICIT IRRIGATION AND SUPER ABSORBENT POLYMER ON PHYSIOLOGICAL AND MORPHOLOGICAL CHARACTERISTICS OF SUNFLOWER,” APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI), vol. -, no. 108, pp. 17–23, 2015, [Online]. Available: https://sid.ir/paper/214742/en

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