THE EFFECT OF PLANTING DATE ON GROWTH INDICES OF NEW HYBRIDS OF SUNFLOWER (HELIANTHUS ANNUUS L.) IN THE MILD COLD REGION OF KERMANSHAH

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MIRZAEI Z.; BARARI M.; REZAEIZAD A.; MEHRABI A.A.

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Journal: CROP PHYSIOLOGY Year:2012 | Volume:4 | Issue:13 Page(s): 5-20

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Title

THE EFFECT OF PLANTING DATE ON GROWTH INDICES OF NEW HYBRIDS OF SUNFLOWER (HELIANTHUS ANNUUS L.) IN THE MILD COLD REGION OF KERMANSHAH

Author(s)

MIRZAEI Z. | BARARI M. | REZAEIZAD A. | MEHRABI A.A. | Issue Writer Certificate

Keywords

PLANTING DATEQ3

LEAF AREA INDEXQ2

TOTAL DRY MATTERQ2

Abstract

Sunflower is one of the most important agronomical plants in many warm region farming systems that its culture has developed in the variable climatic regions. The replacement of old sunflower cultivars by new, high yield and early maturity hybrids and also the developing of second culture of sunflower are two major plant breeding and agronomic strategies to increase sunflower production in mild cold climates of Iran. In order to study the possibility of second cropping of sunflower in the mild cold region of Kermanshah, a split plot experiment based on complete randomized block design with 3 replications was carried out in Islamabad Research Station, in 2010. PLANTING DATEs including 10th Jun, 26th Jun and 11th July were assigned in main plots and sunflower hybrids, including Azargol, Farrokh, (SHF-81-85), SHF-81-90 and Allstar were allocated as subplots. The first PLANTING DATE, 10th June, was the most suitable PLANTING DATE. New SHF-81-90 and and Farrokh hybrids showed the highest and lowest of TOTAL DRY MATTER and LEAF AREA INDEX amounts, respectively. TOTAL DRY MATTER, LEAF AREA INDEX, relative growth rate, crop growth rate and net assimilation rate in the first PLANTING DATE and SHF-81-90 hybrid had the greatest amounts.

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APA: Copy

MIRZAEI, Z., BARARI, M., REZAEIZAD, A., & MEHRABI, A.A.. (2012). THE EFFECT OF PLANTING DATE ON GROWTH INDICES OF NEW HYBRIDS OF SUNFLOWER (HELIANTHUS ANNUUS L.) IN THE MILD COLD REGION OF KERMANSHAH. CROP PHYSIOLOGY, 4(13), 5-20. SID. https://sid.ir/paper/174462/en

Vancouver: Copy

MIRZAEI Z., BARARI M., REZAEIZAD A., MEHRABI A.A.. THE EFFECT OF PLANTING DATE ON GROWTH INDICES OF NEW HYBRIDS OF SUNFLOWER (HELIANTHUS ANNUUS L.) IN THE MILD COLD REGION OF KERMANSHAH. CROP PHYSIOLOGY[Internet]. 2012;4(13):5-20. Available from: https://sid.ir/paper/174462/en

IEEE: Copy

Z. MIRZAEI, M. BARARI, A. REZAEIZAD, and A.A. MEHRABI, “THE EFFECT OF PLANTING DATE ON GROWTH INDICES OF NEW HYBRIDS OF SUNFLOWER (HELIANTHUS ANNUUS L.) IN THE MILD COLD REGION OF KERMANSHAH,” CROP PHYSIOLOGY, vol. 4, no. 13, pp. 5–20, 2012, [Online]. Available: https://sid.ir/paper/174462/en

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