EFFECT OF TEMPERATURE AND DAY LENGTH ON VEGETATIVE GROWTH AND YIELD OF SAFFLOWER GENOTYPES

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HEYDARIZADEH P.; SABZALIAN M.R.; KHAJEHPOUR MOHAMMAD REZA

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Water and Soil Science Year:2008 | Volume:12 | Issue:45 (B) Page(s): 365-376

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Title

EFFECT OF TEMPERATURE AND DAY LENGTH ON VEGETATIVE GROWTH AND YIELD OF SAFFLOWER GENOTYPES

Author(s)

HEYDARIZADEH P. | SABZALIAN M.R. | KHAJEHPOUR MOHAMMAD REZA | Issue Writer Certificate

Keywords

SAFFLOWERQ3

PLANTING DATEQ3

TEMPERATUREQ2

DAY LENGTHQ4

DEVELOPMENT STAGEQ4

YIELDQ2

Abstract

During recent years, several genotypes have been selected from Isfahan land race Kouseh. The performance of SAFFLOWER selected genotypes was studied in the field conditions, at Agriculture Research Station, Isfahan University of Technology during 2003. The experiment was carried out using a split plot arrangement according to a randomized complete block design with three replications. PLANTING DATEs (March 11, April 20, May 22 and June 23) were considered as the main plots and subplots consisted of 20 genotypes of SAFFLOWER including 19 selections from Kouseh and Arak-2811 genotype. Days from planting to emergence and emergence to stem elongation were reduced as planting was delayed until the fourth PLANTING DATE. Days from stem elongation to head visible was reduced with delay from the first to the third PLANTING DATE, and then increased. Days from head visible to 50% flowering was reduced with delay from the first date to the third PLANTING DATE, but increased in the fourth PLANTING DATE. Days from 50 percent flowering to physiological maturity was increased with delay in planting. Days from planting to emergence, emergence to stem elongation, stem elongation to head visible and 50 percent flowering to physiological maturity were not influenced by genotypes. Genotype DP7 had the highest and genotype C111 and genotype DP25 had the lowest days from head visible to 50% flowering. The interaction between PLANTING DATE and genotype in regard to days from stem elongation to head visible was also significant. Seed weight per plant was reduced with delay in PLANTING DATE. Genotype ISF66 had the highest and genotype Arak-2811 had lowest seed weight per plant. The number of days from emergence to head visible in ISF66, DP5, C128 and Arak-2811 was affected by maximum TEMPERATURE (Tmax), in genotype DP7 by Tmax2, in genotypes DP17, DP1 and C41100 by Tmin2 and in genotypes DP9, DP25, ISF28, ISF22, and C111 was affected by DAY LENGTH. It seems that development period from emergence to head visible was affected by TEMPERATURE in the most genotypes. On March 11 PLANTING DATE, genotypes had the maximum response to TEMPERATURE and DAY LENGTH and the minimum response was observed in the fourth PLANTING DATE. The genotype ISF66 had the highest seed YIELD on March 11 PLANTING DATE. The result of this study showed that SAFFLOWER should be planted in late March under condition similar to this experiment for maximum YIELD production.

Cites

MODELING OF DEVELOPMENTAL STAGES OF SAFFLOWER CULTIVARS IN SPRING CULTIVATION

References

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APA: Copy

HEYDARIZADEH, P., SABZALIAN, M.R., & KHAJEHPOUR, MOHAMMAD REZA. (2008). EFFECT OF TEMPERATURE AND DAY LENGTH ON VEGETATIVE GROWTH AND YIELD OF SAFFLOWER GENOTYPES. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 12(45 (B)), 365-376. SID. https://sid.ir/paper/14723/en

Vancouver: Copy

HEYDARIZADEH P., SABZALIAN M.R., KHAJEHPOUR MOHAMMAD REZA. EFFECT OF TEMPERATURE AND DAY LENGTH ON VEGETATIVE GROWTH AND YIELD OF SAFFLOWER GENOTYPES. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2008;12(45 (B)):365-376. Available from: https://sid.ir/paper/14723/en

IEEE: Copy

P. HEYDARIZADEH, M.R. SABZALIAN, and MOHAMMAD REZA KHAJEHPOUR, “EFFECT OF TEMPERATURE AND DAY LENGTH ON VEGETATIVE GROWTH AND YIELD OF SAFFLOWER GENOTYPES,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 12, no. 45 (B), pp. 365–376, 2008, [Online]. Available: https://sid.ir/paper/14723/en

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