TAILIEUCHUNG - Effect of crop sequence and weed control treatments on weeds and pea crop productivity

Results revealed that crop sequence decreased significantly numbers (m2 ) and dry weight of grassy, broad-leaved and total weeds (g/m2 ) in both seasons. Sowing pea after clover/sorghum and clover/peanut decreased the numbers (m2 ) and dry weight of weeds (g/m2 ) and increased significant plant height, number of branches/plant. | Annals of Agricultural Science 2015 60 1 157 168 H O S T E D BY Faculty of Agriculture Ain Shams University Annals of Agricultural Science locate aoas Effect of crop sequence and weed control treatments on weeds and pea crop productivity a b . Fakkar . El-Dakkak a Weed Central Lab Agric. Res. Center Giza Egypt b Horticulture Res. Inst. Agric. Res. Center Giza Egypt Received 22 April 2015 accepted 7 May 2015 Available online 15 June 2015 KEYWORDS Abstract Field experiment was carried out at Shandaweel Agriculture Research Station during Crop sequence 2012 2013 and 2013 2014 winter seasons to study the effect of 24 treatments which were the com- Gesagard binations in spilt plot design where four crop sequences Wheat sorghum Wheat peanut clover - Sencor sorghum and clover peanut were laid main plots and six weed control treatments Gesagard at Select super L fed Sencor at 300 g fed Select super at 500 cm3 fed Basagran at 500 cm3 fed Select Basagran super Gesagard Select super hand hoeing twice at 20 and 45 days after sowing DAS and Hand hoeing unweeded treatment check in split plot design on pea yield and associated weeds . Pea Results revealed that crop sequence decreased significantly numbers m2 and dry weight of grassy broad-leaved and total weeds g m2 in both seasons. Sowing pea after clover sorghum and clover peanut decreased the numbers m2 and dry weight of weeds g m2 and increased signif- icant plant height number of branches plant pod length pod width number of ovules pod shell- out 100-green seed weight green pod yield ton fed and dry seeds yield kg fed as compared with sowing of pea after wheat sorghum or wheat peanut in both seasons. Crop sequences signifi- cantly affected each of vegetative growth yield and its components in both seasons. Weed control treatments decreased significantly the numbers and dry weight of grassy broad-leaved and total weeds g m2 in both seasons. Application of hand hoeing at 20 45 DAS Gesagard at L

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