Variation of sugarcane varieties in stems yield and juice quality under the conditions of Sulaymaniyah Governorate- northern Iraq
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Abstract
This study aimed to investigate the effect of cultivating sugarcane varieties on the production of sugarcane juice and the purity of the juice as well as the yield of both the crop stems and the sugar under the conditions of Sulaymaniyah Governorate- northern Iraq. The space allocated for the experiment was divided according to a Randomized Complete Block Design (RCBD) with four replications. It included three different varieties: CP72-2086, CP89-2143, and CP81-325. The variety CP89-2143 produced the highest increase in the mean number of total stems, reaching 55.8 stems, while the variety CP72-2086 gave the lowest number of stems, reaching 45 stems. The variety CP89-2143 gave the lowest mean stem height, reaching 3.0 m, while the variety CP81-325 gave the highest mean stem height, reaching 3.8 m; 9 (3) The variety CP89-2143 produced the highest increase in mean stem diameter, reaching 3.4 cm, while the variety CP72-2086 gave the lowest diameter, reaching 2.5 cm;(4) The CP89-2143 variety achieved the highest increase in mean stems yield, reaching 92.827 tons/ha, while the CP72-2086 variety gave the lowest yield, reaching 81.474 tons/ha .The CP89-2143 variety recorded the highest increase in sucrose percentage, reaching 16.0 %, while the CP72-2086 variety gave the lowest percentage, reaching 12.2 :The variety CP89-2143 recorded the highest increase in the percentage of juice purity, reaching 87.5%, while the variety CP72-2086 gave the lowest percentage, reaching 67.6 %.The variety CP89-2143 achieved the highest increase in the mean sugar yield, reaching 15.017 tons/ha, while the variety CP72-2086 gave the lowest yield, reaching 9.862 tons/ha.
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