EFFECTS OF SOWING DATE ON DEVELOPMENTAL STAGES, YIELD AND YIELD COMPONENTS OF FOUR SUNFLOWER CULTIVARS

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SHAHSAVARI M.R.; YASARI T.; ZAMANPOUR SICHANI M.; NOURI H.

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Journal: AGRICULTURAL RESEARCH Year:2008 | Volume:8 | Issue:1 (A) Page(s): 231-241

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Title

EFFECTS OF SOWING DATE ON DEVELOPMENTAL STAGES, YIELD AND YIELD COMPONENTS OF FOUR SUNFLOWER CULTIVARS

Author(s)

SHAHSAVARI M.R. | YASARI T. | ZAMANPOUR SICHANI M. | NOURI H. | Issue Writer Certificate

Keywords

SUNFLOWERQ2

SOWING DATEQ3

DEVELOPMENTAL STAGESQ3

YIELD COMPONENTQ3

SEED YIELDQ3

Abstract

The effects of different planting date including temperature and day length on DEVELOPMENTAL STAGES yield and YIELD COMPONENTs of four SUNFLOWER cultivars were studied in Kabotar Abad Expermental Station of Isfahan Agricultural Research Center in 1998 to 1999. Four cultivars (Zaria, Azargol, Golshid and Hysun 33) compared at four planting dates (May 5th and 26th, June 15th and July 16th) in a split plot design with four replications. The highest SEED YIELD was obtained from the first planting date. Delay in planting due to change of temperature and day length caused faster development, earlier flowering and lower photosynthetic areas and these consequently lowered yield and YIELD COMPONENTs. Zaria with little difference to other genotypes was the latest mature cultivar. The cultivars under study varied significantly for vegetative characteristics and YIELD COMPONENTs. Zaria with the highest plant dry weight, head diameter and 1000-seed weight had the highest and Hysun 33 with the lowest plant dry weight, head diameter and 1000-seed weight produced the lowest SEED YIELD. Planting date and cultivar interaction was significant for SEED YIELD and the highest SEED YIELD was obtained from Golshid in May 5th.

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APA: Copy

SHAHSAVARI, M.R., YASARI, T., ZAMANPOUR SICHANI, M., & NOURI, H.. (2008). EFFECTS OF SOWING DATE ON DEVELOPMENTAL STAGES, YIELD AND YIELD COMPONENTS OF FOUR SUNFLOWER CULTIVARS. AGRICULTURAL RESEARCH, 8(1 (A)), 231-241. SID. https://sid.ir/paper/84746/en

Vancouver: Copy

SHAHSAVARI M.R., YASARI T., ZAMANPOUR SICHANI M., NOURI H.. EFFECTS OF SOWING DATE ON DEVELOPMENTAL STAGES, YIELD AND YIELD COMPONENTS OF FOUR SUNFLOWER CULTIVARS. AGRICULTURAL RESEARCH[Internet]. 2008;8(1 (A)):231-241. Available from: https://sid.ir/paper/84746/en

IEEE: Copy

M.R. SHAHSAVARI, T. YASARI, M. ZAMANPOUR SICHANI, and H. NOURI, “EFFECTS OF SOWING DATE ON DEVELOPMENTAL STAGES, YIELD AND YIELD COMPONENTS OF FOUR SUNFLOWER CULTIVARS,” AGRICULTURAL RESEARCH, vol. 8, no. 1 (A), pp. 231–241, 2008, [Online]. Available: https://sid.ir/paper/84746/en

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