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Abstract
The effect of solarization and fumigation with methyl bromide (MB) as well as bio-sterilization on withNemaless on productivity and fruit quality of strawberry was investigated during the two successive seasons of 2001/2002 and 2002/2003. There were nine treatments namely, ”soil solarization for one month, soil solarization for two months, soil fumigation with methyl bromide (MB) with dose 30 g/m2, soil fumigation with methyl bromide (MB) with dose 50 g/m2, soil fumigation with methyl bromide (MB) with dose 70 g/m2, soil solarization for one month combined with methyl bromide (MB) by dose 30 g/m , soil solarization for two months combined with methyl, bromide (MB) by dose 30 g/m”, Bio-sterilization by Nemaless, non fumigated by methyl bromide (MB) and without solarization (control)”. Results demonstrated that, plant length, number of leaves per plant, average leaf area, root length and crown diameter were significantly increased by fumigation with (MB) at different test rates (30,50, or 70g/m2) as compared with solarization or using Nemaless in the two tested seasons. Significant increments were obtained also in early and total yield as well as total soluble solids and ascorbic acid when the soil was fumigated with (MB) treatment as compared with solarization or using Nemaless. The highest total yield was