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FAYED, T., EL-GEDDAWY, I., EL-ZENY, M. (1999). INFLUENCE OF WEED INTERFERENCE ON GROWTH, YIELD AND QUALITY OF SUGAR BEET. Egyptian Journal of Agricultural Research, 77(3), 1239-1249. doi: 10.21608/ejar.1999.337636
TAHER B. FAYED; IBRAHIM H. EL-GEDDAWY; MAHA M. EL-ZENY. "INFLUENCE OF WEED INTERFERENCE ON GROWTH, YIELD AND QUALITY OF SUGAR BEET". Egyptian Journal of Agricultural Research, 77, 3, 1999, 1239-1249. doi: 10.21608/ejar.1999.337636
FAYED, T., EL-GEDDAWY, I., EL-ZENY, M. (1999). 'INFLUENCE OF WEED INTERFERENCE ON GROWTH, YIELD AND QUALITY OF SUGAR BEET', Egyptian Journal of Agricultural Research, 77(3), pp. 1239-1249. doi: 10.21608/ejar.1999.337636
FAYED, T., EL-GEDDAWY, I., EL-ZENY, M. INFLUENCE OF WEED INTERFERENCE ON GROWTH, YIELD AND QUALITY OF SUGAR BEET. Egyptian Journal of Agricultural Research, 1999; 77(3): 1239-1249. doi: 10.21608/ejar.1999.337636

INFLUENCE OF WEED INTERFERENCE ON GROWTH, YIELD AND QUALITY OF SUGAR BEET

Article 22, Volume 77, Issue 3, July 1999, Page 1239-1249  XML PDF (3.21 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1999.337636
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Authors
TAHER B. FAYED1; IBRAHIM H. EL-GEDDAWY2; MAHA M. EL-ZENY2
1Faculty of Agricultural, Ain Shams University, Cairo, Egypt
2Sugar Crops Research Institute, Agricultural Research Centre, Giza, Egypt
Abstract
Weed interference exerted a drastic reduction on plant height, number of leaves and leaf area of vegetative parts, as well as dimen­sions, size, fresh and dry weights and RGR of root and consequently eco­nomic yield of sugar beet plant. The extent of reduction was dependent on the associated weed species. Accordingly, it is possible to produce tentative ranking of competitive abilities of the seven weed species un­der investigation as following: highly competitve: wild beet, canarygrass and bermudagrasss; moderately competitive: dock weed and tooth pick and poorly competitive: lambsquarters and bindweed. Sucrose 96, T.S.S. and nutrient (N, K and Na) concentration val­ues of beet root juice were higher in weed-free treatment than the weedy ones. The higher competitve weeds (wild beet, canarygrass and bermueda-grass) were also the most effective competitors for N, K and Na nutrients uptake, but it was not as effective on T.S.S. and surcrose Values. 
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