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Knowe S.A., Nelson, L.R., Gjerstad, D.H., Zutter, B.R., Glover, G.R., Minogue, P.J. and Dukes, J.H. (1985) Four-Year Growth and Development of Planted Loblolly Pine on Sites with Competition Control. Southern Journal of Applied Forestry, 9, 11-14.

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• TITLE: Weed Control Strips Influences on the Rubber Tree Growth

  AUTHORS: Caio Doria Guzzo, Leonardo B. de Carvalho, Pedro Luis da C. A. Alves, Elaine Cristine Piffer Gonçalves, Paulo F. Giancotti

  KEYWORDS: Hevea brasiliensis; Urochloa decumbens; Weed Control; Weed Interference

  JOURNAL NAME: American Journal of Plant Sciences, Vol.5 No.8, March 26, 2014

  ABSTRACT: Hevea brasiliensis (rubber tree) is the most widely cultivated tree species for producing natural rubber latex whose productivity can be reduced by weeds. Field experiment was carried out during two years to evaluate the growth of rubber tree plants submitted to different weed control strips (0-weed-free, 50, 100, 150, 200, 250, 300, 350, and 400-(weedy cm) and to determine the critical width of weed control strip during the establishment of rubber tree plantation. Weed community was composed mainly by Urochloa decumbens (90%). The width of the weed control strip influenced on the initial plant growth of rubber trees, reducing the plant height, stem diameter, leaf area, and aboveground dry mass accumulation. In consequence, crop plantation was affected by the width of weed control. The critical width of the weed control strip for establishment of a rubber tree plantation was within 100 cm.