Research Article 
Response of Sorghum Genotypes to Weed Management under Mediterranean Conditions
Munir A. Turk, Abdel -Rahman and M. Tawaha
Journal of Agronomy, 2002, 1(1), 31-33.
Abstract
A 2-years field study was conducted during the rainy seasons of 1999 and 2000 at Houfa in northern Jordan, to know the performance of two sorghum genotypes (Izra3 and Razini) and their response to monthly hand weeding and 2,4-D application at different growth stages. Izra3 gave significantly higher grain yield of 2800 and 3150-kg ha-1 during 1999 and 2000, respectively. Differences in weed number and fresh weight were significant among various treatments in both seasons. In both growing seasons, yield reductions occurred when 2,4-D was applied to sorghum at stage 21 (beginning of tillering, first tiller detectable) and stage 30 (beginning of stem elongation). Hand weeding was more effective than 2,4-D in suppressing weed growth.
ASCI-ID: 31-7
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