THE EFFECT OF PLANT DENSITY ON PHONOLOGY AND YIELD TRAITS OF CONFECTIONARY SUNFLOWER UNDER WATER DEFICIT CONDITIONS

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VALADABADI S.A.; MORADI AGHDAM A.; DANESHIAN J.; ZAKERIN H.R.; GHAFFARI M.; ROSHDI M.

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Journal Paper

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Journal: PLANT AND ECOSYSTEM Year:2008 | Volume:4 | Issue:13 Page(s): 90-106

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Title

THE EFFECT OF PLANT DENSITY ON PHONOLOGY AND YIELD TRAITS OF CONFECTIONARY SUNFLOWER UNDER WATER DEFICIT CONDITIONS

Author(s)

Keywords

GROWTH STAGESQ2

MORPHOLOGYQ2

SEED YIELDQ2

YIELD COMPONENTSQ3

PRODUCTIVITY EFFORT AND CONFECTIONARY SUNFLOWERQ3

Abstract

In order to evaluate the water deficit stress (w.d.s) and plant density (p.d) effect on confectionary sunflower (Ghalami kind), A split plot design was conducted as base of randomized complete block design with four replications in Agricultural research station of khoy in 2005. W.d.s treatment with three levels, as irrigation after 50, 100 and 150 mm of evaporation from pan, class a from 10 leaves stage and p.d as 2.5, 3.5, 4.5 and 5.5 plant/m2 that were in main and sub plots, respectively. The results showed that irrigation treatment had significant effect on phonological, morphological and agronomic characteristics of confectionary sunflower. By increasing the w.d.s rate, flowering period, seed filling period, growth duration, plant height, stem diameter, active leaf number, total seeds number per/head and m2, 100 seed weight, SEED YIELD, harvest index and productivity effort decreased and increased percent of hallow seed number in head. P.d had significant effect on all traits too. As p.d increased, all phonological traits stem diameter, total seeds number per head and 100 seeds weight decreased and increased other mentioned traits. However by increasing of p.d, total seeds number per head decreased, but because of increasing of seeds number per m2, in spite of decreasing of 100 seeds weight, the SEED YIELD was decreased. Stress and density interaction had significant effect on all phonological traits, leaf number, percent of hallow seeds number in head, SEED YIELD and harvest index. Because of importance of seed weight (seed size) along with more SEED YIELD in confectionary sunflower, density of 4.5, 3.5 and 2.5 plant/m2 are suitable for irrigation levels after 50, 100 and 150 mm evaporation, respectively.

Cites

EFFECT OF PLANT POPULATION ON SOME AGRONOMICAL TRAITS OF SUNFLOWER UNDER WATER DEFICIT CONDITION

References

بررسی اثر تنش خشکی در برخی از صفات مورفوفیزیولوژیکی و اجزا عملکرد آفتابگردان (Helianthus annuus L.)

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APA: Copy

VALADABADI, S.A., MORADI AGHDAM, A., DANESHIAN, J., ZAKERIN, H.R., GHAFFARI, M., & ROSHDI, M.. (2008). THE EFFECT OF PLANT DENSITY ON PHONOLOGY AND YIELD TRAITS OF CONFECTIONARY SUNFLOWER UNDER WATER DEFICIT CONDITIONS. PLANT AND ECOSYSTEM, 4(13), 90-106. SID. https://sid.ir/paper/357944/en

Vancouver: Copy

VALADABADI S.A., MORADI AGHDAM A., DANESHIAN J., ZAKERIN H.R., GHAFFARI M., ROSHDI M.. THE EFFECT OF PLANT DENSITY ON PHONOLOGY AND YIELD TRAITS OF CONFECTIONARY SUNFLOWER UNDER WATER DEFICIT CONDITIONS. PLANT AND ECOSYSTEM[Internet]. 2008;4(13):90-106. Available from: https://sid.ir/paper/357944/en

IEEE: Copy

S.A. VALADABADI, A. MORADI AGHDAM, J. DANESHIAN, H.R. ZAKERIN, M. GHAFFARI, and M. ROSHDI, “THE EFFECT OF PLANT DENSITY ON PHONOLOGY AND YIELD TRAITS OF CONFECTIONARY SUNFLOWER UNDER WATER DEFICIT CONDITIONS,” PLANT AND ECOSYSTEM, vol. 4, no. 13, pp. 90–106, 2008, [Online]. Available: https://sid.ir/paper/357944/en

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