Sakr, S., El-Khateeb, M., Esmail, S. (2007). SUBSTRATES EVALUATION FOR CONTAINER PRODUCTION OF CROTON PLANT CV." GOLD STAR". Journal of Productivity and Development, 12(2), 613-629. doi: 10.21608/jpd.2007.45046
Sayed Sakr; Mohamed El-Khateeb; Sayef Esmail. "SUBSTRATES EVALUATION FOR CONTAINER PRODUCTION OF CROTON PLANT CV." GOLD STAR"". Journal of Productivity and Development, 12, 2, 2007, 613-629. doi: 10.21608/jpd.2007.45046
Sakr, S., El-Khateeb, M., Esmail, S. (2007). 'SUBSTRATES EVALUATION FOR CONTAINER PRODUCTION OF CROTON PLANT CV." GOLD STAR"', Journal of Productivity and Development, 12(2), pp. 613-629. doi: 10.21608/jpd.2007.45046
Sakr, S., El-Khateeb, M., Esmail, S. SUBSTRATES EVALUATION FOR CONTAINER PRODUCTION OF CROTON PLANT CV." GOLD STAR". Journal of Productivity and Development, 2007; 12(2): 613-629. doi: 10.21608/jpd.2007.45046
SUBSTRATES EVALUATION FOR CONTAINER PRODUCTION OF CROTON PLANT CV." GOLD STAR"
A pot experiment was carried out during two successive seasons,2005and 2006 in the greenhouse , at Ornamental Horticulture Department, Faculty of Agriculture, Cairo University, to study the effect of growing media on growth and chemical composition of croton plant. Generally, growing the croton plant cv. "Gold Star" in a mixture of sand+ peatmoss + clay, sand + peatmoss+ vermiculite or sand+ peatmoss + perlite resulted in the tallest plants with the greatest number of leaves and the largest leaf area. The mixture of sand + peatmoss +clay as well as sand+ peatmoss +perlite significantly increased stem diameter. Most of growing mixtures had a favorable effect on increasing the number of branches of the croton as compared with the mixtures of sand+ peatmoss+ sawdust and sand + peatmoss + dried leaves. The fresh and dry weights of leaves and stems were heavier in the mixtures of sand + peatmoss +clay and sand +peatmoss+ vermiculite. The mixtures of sand +peatmoss +sawdust and peatmoss +perlite, sand +peatmoss +clay increased the root length and fresh and dry weights of roots of the croton plants. The mixtures of sand + peatmoss + perlite, sand + peatmoss + clay and sand + peatmoss + vermiculite were the most effective media in increasing the contents of both chlorophyll–a and chlorophyll–b. The highest value of the carbohydrates content in the leaves of croton plants was recorded with the mixture of sand + peatmoss + vermiculite, The stem content of carbohydrates reached the highest value in sand + peatmoss + clay mixture. Using sand + peatmoss + perlite increased the accumulation of nitrogen in the leaves, stems and roots. Adding vermiculite, clay or perlite to sand + peatmoss mixtures had favorable effect on increasing the K content in the leaves of the croton plant, whereas the mixture of sand + peatmoss + perlite increased K content in the stems and roots.
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