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۱Papaya Seedlings Production from Soil and Formosa Group Genotypes under Water Levels in Soil
اطلاعات انتشار: World Applied Sciences Journal، بيست و دوم،شماره۶، ۲۰۱۳، سال
تعداد صفحات: ۶
An experiment was carried out in order to evaluate the effects of water levels in soil on seedlings formation papaya tree from group Soil and Formosa. The treatments were distributed in delineation completely randomized using the factorial design 5x2 (60, 70, 80,90 and 100% field capacity of the soil and two genotypes of papaya Soil and Formosa group). The plants irrigation was made by weighing process supplying daily. The substratum was constituted of a mixture of soil material + earthworm humus in the proportion of 1:1 v\v. At 55 days after sowing were evaluated height, stem diameter, number of leaves, dry matter of the aerial part, of roots and total of the plants and relationship between dry matter date of root and aerial part. From results the highest values of height, diameter of stem and leaves emitted were obtained from the substrate with humidity between 85 and 100% of field capacity in both genotypes.The values of dry biomass of shoots, roots and dry biomass ratio of root \ shoot increased with moisture in the substrate, with supremacy of the Solo on the Formosa papaya. Papaya Formosa develops more shoot and yields root dry matter less than the genotypes Solo.
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