REDUCTION OF PHENMEDIPHAM + DESMEDIPHAM + ETHOFUMESATE HERBICIDES DOSAGE BASED ON APPLICATION TIMING IN SUGAR BEET

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ANABESTANI VALIYOLAH; ARMIN MOHAMMAD

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Journal: JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE) Year:2017 | Volume:10 | Issue:4 (40) Page(s): 823-838

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Title

REDUCTION OF PHENMEDIPHAM + DESMEDIPHAM + ETHOFUMESATE HERBICIDES DOSAGE BASED ON APPLICATION TIMING IN SUGAR BEET

Author(s)

ANABESTANI VALIYOLAH | ARMIN MOHAMMAD | Issue Writer Certificate

Keywords

HERBICIDESQ2

QUANTITATIVE AND QUALITATIVE YIELDQ3

REDUCED DOSAGEQ2

SUGAR BEETQ2

Abstract

An experiment was conducted to study possible reduction of concentration (dose) of phenmedipham+desmedipham+ethofumesate HERBICIDES at different application times to control weeds in SUGAR BEET field. Thus, a factorial experiment based on complete randomized block design with three replications was performed at Sabzevar, Khorasan-e-Razavi in 2013. Factors consisted of herbicide dosages (control, 75% of the recommended dosage, and 125% of recommended dosage and application times at 2-4, 4-8 and 8-12 leaf stages of SUGAR BEET. Herbicide used in the experiment was phenmedipham (9.2%) +desmedipham (7.2%) +ethofumesate (11.3%) (PROGRESS OF BETAMIX) as 877 ga.i ha-1 27.4 EC. The results indicated that the delayed application of herbicide increased weed density by 55.92% and weed dry matter by 33%.Application of herbicide at 4-8 leaf stage produced highest root and sugar yields. Root impurities were not affected by the time of herbicide application. Used of 125% of recommended dosage resulted in lowest weed density and weed dry matter and highest root and sugar yields. Impure sugar percentage and K content was not affected by herbicide dosage. Other root quality characteristics were not statistically significant different between the recommended dose 125% of recommended dosages. Results as a wholes suggested that at early growth stage of SUGAR BEET (2-4 leaf stage) lower herbicide dosage and at later growth stage of SUGAR BEET (8-12 leaf stage) higher herbicide dosage may produce highest root yield of SUGAR BEET.

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APA: Copy

ANABESTANI, VALIYOLAH, & ARMIN, MOHAMMAD. (2017). REDUCTION OF PHENMEDIPHAM + DESMEDIPHAM + ETHOFUMESATE HERBICIDES DOSAGE BASED ON APPLICATION TIMING IN SUGAR BEET. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), 10(4 (40) ), 823-838. SID. https://sid.ir/paper/182887/en

Vancouver: Copy

ANABESTANI VALIYOLAH, ARMIN MOHAMMAD. REDUCTION OF PHENMEDIPHAM + DESMEDIPHAM + ETHOFUMESATE HERBICIDES DOSAGE BASED ON APPLICATION TIMING IN SUGAR BEET. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE)[Internet]. 2017;10(4 (40) ):823-838. Available from: https://sid.ir/paper/182887/en

IEEE: Copy

VALIYOLAH ANABESTANI, and MOHAMMAD ARMIN, “REDUCTION OF PHENMEDIPHAM + DESMEDIPHAM + ETHOFUMESATE HERBICIDES DOSAGE BASED ON APPLICATION TIMING IN SUGAR BEET,” JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), vol. 10, no. 4 (40) , pp. 823–838, 2017, [Online]. Available: https://sid.ir/paper/182887/en

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