EFFECT OF SOWING DATE AND SEED RATE ON YIELD OF OILSEED RADISH (RAPHANUS SATIVUS L.) TRAP CROP

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NAJIAN TABRIZ A.; KASHANI A.; MAHMOODI S.B.; SADEGHZADEH HEMAYATI S.

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Journal: IRANIAN JOURNAL OF AGRONOMY AND PLANT BREEDING Year:2013 | Volume:9 | Issue:2 Page(s): 87-97

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Title

EFFECT OF SOWING DATE AND SEED RATE ON YIELD OF OILSEED RADISH (RAPHANUS SATIVUS L.) TRAP CROP

Author(s)

NAJIAN TABRIZ A. | KASHANI A. | MAHMOODI S.B. | SADEGHZADEH HEMAYATI S. | Issue Writer Certificate

Keywords

TRAP CROPQ3

OILSEED RADISHQ2

SOWING DATEQ3

SEED RATEQ3

Abstract

In order to evaluate the effect of SOWING DATE and SEED RATE on yield of OILSEED RADISH (Raphanus sativus L.) TRAP CROP a strip plot experimental design based on randomized complete block design (RCBD) in three replications was conducted in 2011. The vertical plot (SD) consisting 3 levels of SOWING DATE: 20 July (After wheat harvest) (SD1), 8 August (SD2) and 6 September (SD3). The horizontal plot comprising 4 different levels of SEED RATE 5 (D1), 10 (D2), 15 (D3) and 20 (D4) kg.ha-1. The results drive from the experiment showed that the effect of SOWING DATE on leaf dry weight, shoot dry weight, total dry weight and Root/Shoot was significant at 0.05 probability level. Maximum leaf dry weight gained at 20 July and 8 August SOWING DATEs (respectively 287.751 and 280.656 gr.m-2). The highest shoot dry weight was obtained in 8 August SOWING DATE (579.058 gr.m-2). The greatest total dry weight was obtained in 20 July and 8 August SOWING DATEs (respectively 639.370 and 475.080 gr.m-2). The least Root/Shoot (0.29) gained at 8 August SOWING DATE. The effect of SEED RATE (plant density) was only significant on inflorescences dry weight at 0.05 probability level. The most inflorescences dry weight was obtained from 10 and 15 kg.ha-1 SEED RATE. The interactions of SOWING DATE and SEED RATE (plant density) was significant on leaf dry weight at 0.05 probability level and also was significant on shoot dry weight at 0.01 probability level. The greatest leaf dry weight gained at sownig date 8 August (306.1-316.4 gr.m-2) at SEED RATE 5, 10, 15 kg.ha-1 and SOWING DATE 6 September at SEED RATE 20 kg.ha-1. The most shoot dry weight (621.3-655.6 gr.m-2) obtained in SOWING DATE 8 September at SEED RATE 5, 10, 15 kg.ha-1.

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APA: Copy

NAJIAN TABRIZ, A., KASHANI, A., MAHMOODI, S.B., & SADEGHZADEH HEMAYATI, S.. (2013). EFFECT OF SOWING DATE AND SEED RATE ON YIELD OF OILSEED RADISH (RAPHANUS SATIVUS L.) TRAP CROP. IRANIAN JOURNAL OF AGRONOMY AND PLANT BREEDING, 9(2), 87-97. SID. https://sid.ir/paper/190280/en

Vancouver: Copy

NAJIAN TABRIZ A., KASHANI A., MAHMOODI S.B., SADEGHZADEH HEMAYATI S.. EFFECT OF SOWING DATE AND SEED RATE ON YIELD OF OILSEED RADISH (RAPHANUS SATIVUS L.) TRAP CROP. IRANIAN JOURNAL OF AGRONOMY AND PLANT BREEDING[Internet]. 2013;9(2):87-97. Available from: https://sid.ir/paper/190280/en

IEEE: Copy

A. NAJIAN TABRIZ, A. KASHANI, S.B. MAHMOODI, and S. SADEGHZADEH HEMAYATI, “EFFECT OF SOWING DATE AND SEED RATE ON YIELD OF OILSEED RADISH (RAPHANUS SATIVUS L.) TRAP CROP,” IRANIAN JOURNAL OF AGRONOMY AND PLANT BREEDING, vol. 9, no. 2, pp. 87–97, 2013, [Online]. Available: https://sid.ir/paper/190280/en

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