THE EFFECTS OF DEFOLIATION DURING THE BEGINNING OF ANTHESIS STAGE ON OIL YIELD AND OTHER COMPONENTS OF SUNFLOWER

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ABBAS POUR FATEMEH; SHAKIBA MOHAMMAD REZA; ALIARI H.; VALIZADEH MOSTAFA

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2005 | Volume:15 | Issue:1 Page(s): 1-7

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Title

THE EFFECTS OF DEFOLIATION DURING THE BEGINNING OF ANTHESIS STAGE ON OIL YIELD AND OTHER COMPONENTS OF SUNFLOWER

Author(s)

ABBAS POUR FATEMEH | SHAKIBA MOHAMMAD REZA | ALIARI H. | VALIZADEH MOSTAFA | Issue Writer Certificate

Keywords

DEFOLIATIONQ2

OIL PERCENTQ3

OIL YIELDQ2

SUNFLOWERQ4

Abstract

Effects of DEFOLIATION during the beginning of anthesis stage on OIL YIELD and other components of SUNFLOWER was studied at Karkaj Research Station, Faculty of Agriculture, University of Tabriz, in 2000 . Two varieties including Azargol (CMS 19xR46) and Golshid (CMS31xR46) were used in this study. Leaves were removed at the beginning of anthesis (R5) and the treatments consisted of five levels: removal of 1/3 upper leaves, 1/3 middle leaves, 1/3 lower leaves, total leaves and the control(no leaf removal). The trial was conducted as factorial experiment based on a randomized complete block design with three replications. Results of this experiment showed that time of maturity, duration of grain filling, ratio of kernel to whole grain and OIL PERCENT were affected by total DEFOLIATION but DEFOLIATION of 1/3 leaves did not affect these traits. Hollow achene percent, 3 grain yield and OIL YIELD were decreased by removal of total and 1/3 of leaves DEFOLIATION of 1/3 of lower leaves had less effect on these three traits as compared with other leaves. Middle leaves showed more effect than other leaves on grain yield and OIL YIELD in this research.

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APA: Copy

ABBAS POUR, FATEMEH, SHAKIBA, MOHAMMAD REZA, ALIARI, H., & VALIZADEH, MOSTAFA. (2005). THE EFFECTS OF DEFOLIATION DURING THE BEGINNING OF ANTHESIS STAGE ON OIL YIELD AND OTHER COMPONENTS OF SUNFLOWER. JOURNAL OF AGRICULTURAL KNOWLEDGE, 15(1), 1-7. SID. https://sid.ir/paper/28770/en

Vancouver: Copy

ABBAS POUR FATEMEH, SHAKIBA MOHAMMAD REZA, ALIARI H., VALIZADEH MOSTAFA. THE EFFECTS OF DEFOLIATION DURING THE BEGINNING OF ANTHESIS STAGE ON OIL YIELD AND OTHER COMPONENTS OF SUNFLOWER. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2005;15(1):1-7. Available from: https://sid.ir/paper/28770/en

IEEE: Copy

FATEMEH ABBAS POUR, MOHAMMAD REZA SHAKIBA, H. ALIARI, and MOSTAFA VALIZADEH, “THE EFFECTS OF DEFOLIATION DURING THE BEGINNING OF ANTHESIS STAGE ON OIL YIELD AND OTHER COMPONENTS OF SUNFLOWER,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 15, no. 1, pp. 1–7, 2005, [Online]. Available: https://sid.ir/paper/28770/en

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