EVALUATION OF THE EFFECT OF DATE AND DESIGN OF SOWING ON THE YIELD OF SUNFLOWER (HELLIANTHUS ANNUUS) CULTIVAR ARMAVIRSKII IN MARIVAN AREA

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MAZAHERI LAGHAB H.; MORADI H.; SEPEHRI ALI

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

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Journal: Year:2006 | Volume:18 | Issue:(69 IN AGRONOMY & HORTICULTURE) Page(s): 31-39

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Title

EVALUATION OF THE EFFECT OF DATE AND DESIGN OF SOWING ON THE YIELD OF SUNFLOWER (HELLIANTHUS ANNUUS) CULTIVAR ARMAVIRSKII IN MARIVAN AREA

Author(s)

MAZAHERI LAGHAB H. | MORADI H. | SEPEHRI ALI | Issue Writer Certificate

Keywords

SUNFLOWERQ2

SOWING DATEQ3

SOWING DESIGNQ3

YIELD COMPONENTSQ3

SEED YIELDQ2

OIL PERCENTAGEQ2

Abstract

In order to increase the yield of SUNFLOWER, determination of SOWING DATE addition to the SOWING DESIGN was essential to reduce competition and to use optimum environmental conditions. SUNFLOWER is currently being cultivated in Kordestan province. However, there is no sufficient information in Marivan about cultivation of Armavirskii cultivar. So, the weight of thousand seeds, OIL PERCENTAGE, SEED YIELD, cap diameter, weight of total seeds per cap, and hollowness percentage were the traits evaluated. In this experiment, a split plot design in the pattern of randomized complete block design was used in 3 replicates. SOWING DATE was studied in 3 intervals; May 13th, 23rd, and June 2nd. Seed density was evaluated in 6 levels including; 8, 6.7, 5.7, 5.3, 4.4, and 3.5 plants per square meter. The results showed that the date of sowing had significant effects on the yield of seeds, cap diameter, and hollowness percentage while this factor was ineffective on the weight of thousand seeds and OIL PERCENTAGE. The effect of SOWING DESIGN was negligible on OIL PERCENTAGE variation. However, there was a significant effect on SEED YIELD, weight of thousand seeds, hollowness percentage, cap diameter, and the weight of total seeds per cap at the level of 1%. The interaction of two factors had no significant effect on all studied traits except on cap diameter. Considering the results, the appropriate date of sowing and SOWING DESIGN of Armavirskii is recommended to be on May 13 with 8 plants per square metre (50x25 cm) in Marivan.

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APA: Copy

MAZAHERI LAGHAB, H., MORADI, H., & SEPEHRI, ALI. (2006). EVALUATION OF THE EFFECT OF DATE AND DESIGN OF SOWING ON THE YIELD OF SUNFLOWER (HELLIANTHUS ANNUUS) CULTIVAR ARMAVIRSKII IN MARIVAN AREA. PAJOUHESH-VA-SAZANDEGI, 18((69 IN AGRONOMY & HORTICULTURE)), 31-39. SID. https://sid.ir/paper/19787/en

Vancouver: Copy

MAZAHERI LAGHAB H., MORADI H., SEPEHRI ALI. EVALUATION OF THE EFFECT OF DATE AND DESIGN OF SOWING ON THE YIELD OF SUNFLOWER (HELLIANTHUS ANNUUS) CULTIVAR ARMAVIRSKII IN MARIVAN AREA. PAJOUHESH-VA-SAZANDEGI[Internet]. 2006;18((69 IN AGRONOMY & HORTICULTURE)):31-39. Available from: https://sid.ir/paper/19787/en

IEEE: Copy

H. MAZAHERI LAGHAB, H. MORADI, and ALI SEPEHRI, “EVALUATION OF THE EFFECT OF DATE AND DESIGN OF SOWING ON THE YIELD OF SUNFLOWER (HELLIANTHUS ANNUUS) CULTIVAR ARMAVIRSKII IN MARIVAN AREA,” PAJOUHESH-VA-SAZANDEGI, vol. 18, no. (69 IN AGRONOMY & HORTICULTURE), pp. 31–39, 2006, [Online]. Available: https://sid.ir/paper/19787/en

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