STUDY EFFECTS OF PLANTING DATE ON AGRONOMIC TRAITS OF SUNFLOWER CULTIVARS

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ZAREEI SEYAH BEDI A.A.; REZAEI ZAD A.; BAKHSHANDEH A.M.; POORDAD S.S.; SHER NEYAZI FARD A.

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Journal: JOURNAL OF RESEARCH IN CROP SCIENCES Year:2012 | Volume:4 | Issue:15 Page(s): 21-32

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Title

STUDY EFFECTS OF PLANTING DATE ON AGRONOMIC TRAITS OF SUNFLOWER CULTIVARS

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Keywords

GRAIN YIELDQ2

HARVEST INDEXQ3

OIL PERCENTAGEQ2

PLANTING DATEQ2

SUNFLOWERQ2

Abstract

In order to study of PLANTING DATE and cultivars effects on quantitative traits of SUNFLOWER in second planting, a split plot experiment on randomized complete block design with four replications was carried out in Islam Abad Agricultural Research Station. Sowing dates with 4 levels including June 22 to July 22 with 10 days interval as main plots and cultivars including Azargol, Allstar, Shafagh and CMS26*R103 as sub plots was evaluated. Variance analysis showed that sowing date and cultivar had statistically significant effects on seed yield, 1000 seed weight, head diameter, HARVEST INDEX, oil and protein content percent. The results showed that the first and the latest sowing date had the highest seed yield with 3849 and 3391 kg/ha, respectively. Mean comparisons analysis using Duncan's multiple range test showed that Azargol with 4152 kg/ha had the highest seed yield. Difference among cultivars was due to dereference in days to emergence and days to flowering. Shorting this period caused a reduction in dry matter, seed yield, head diameter, 1000 seed weight and HARVEST INDEX in different PLANTING DATEs. PLANTING DATE effects on seed yield acted via changing traits such as HARVEST INDEX and leaf area index, mainly.

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APA: Copy

ZAREEI SEYAH BEDI, A.A., REZAEI ZAD, A., BAKHSHANDEH, A.M., POORDAD, S.S., & SHER NEYAZI FARD, A.. (2012). STUDY EFFECTS OF PLANTING DATE ON AGRONOMIC TRAITS OF SUNFLOWER CULTIVARS. JOURNAL OF RESEARCH IN CROP SCIENCES, 4(15), 21-32. SID. https://sid.ir/paper/168005/en

Vancouver: Copy

ZAREEI SEYAH BEDI A.A., REZAEI ZAD A., BAKHSHANDEH A.M., POORDAD S.S., SHER NEYAZI FARD A.. STUDY EFFECTS OF PLANTING DATE ON AGRONOMIC TRAITS OF SUNFLOWER CULTIVARS. JOURNAL OF RESEARCH IN CROP SCIENCES[Internet]. 2012;4(15):21-32. Available from: https://sid.ir/paper/168005/en

IEEE: Copy

A.A. ZAREEI SEYAH BEDI, A. REZAEI ZAD, A.M. BAKHSHANDEH, S.S. POORDAD, and A. SHER NEYAZI FARD, “STUDY EFFECTS OF PLANTING DATE ON AGRONOMIC TRAITS OF SUNFLOWER CULTIVARS,” JOURNAL OF RESEARCH IN CROP SCIENCES, vol. 4, no. 15, pp. 21–32, 2012, [Online]. Available: https://sid.ir/paper/168005/en

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