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Paper Information

Journal:   IRANIAN JOURNAL OF FIELD CROPS RESEARCH   2008 , Volume 6 , Number 2; Page(s) 383 To 394.
 
Paper: 

EFFECT OF DIFFERENT INTEGRATED WEED MANAGEMENT METHODS ON WEED DENSITY AND YIELD OF SUGAR BEET CROP

 
 
Author(s):  KOUCHAKI ALI REZA, NASIRI MAHALATI MAHDI, SIAHMARGOUEI A., GHARAKHLOU J., RASTGOU M., GHAEMI A.R.
 
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Abstract: 

In order to compare different weed management methods in sugar beet, two experiments were conducted at mashhad for two years in 2005-2006 and 2006-2007. Each experiment designed as a Complete Randomized Block with three replication. The treatments include: Metamitron (Goltix) plus Phenmedipham (Betanal) (Gol+Bet), Goltix plus Cultivation (Gol+Cu), Disk plus Betanal (Di+Bet), Disk plus Cultivation (Di+Cu), Cover Crop plus Betanal (Co+Bet), Cover Crop plus Cultivation (Co+Cu), Weeding (W) and Betanal plus Weeding (Bet+W). Samplings were taken at three stages early season, after imposing the treatments and late season. Results showed that at early season in two experiments, density of weeds was lower in cover crop and disk treatment compared with other treats and the second sampling in first experiment, weeding and disk plus cultivation of treatments with 21.5 and 26.6 respectively plants per m2 and in second experiment year, weeding and application betanal plus weeding treatments, with 14 and 17.8 respectively plant in m2 showed the lowest. In the second experiment year, minimum and maximum sugar beet yield were obtained with cover crop plus betanal and weeding with 43 and 104 ton per hectare respectively. The lowest yield was obtained in check plots with 3.5ton per hectare. Maximum sugar contain (19.35%) was obtained in betanal herbicide plus cultivation treatment and minimum (14.88%) was obtained with hand weeding treatment. However maximum sugar beet yield was obtained with betanal plus weeding (17.85 ton per hectare) and the minimum with cover crop plus betanal (7.5 ton per hectare).

 
Keyword(s): INTEGRATED WEED MANAGEMENT, COVER CROP, HERBICIDE, CULTIVATION, SUGAR BEET
 
References: 
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