INFLUENCE OF TIME OF SOWING ON THE CHEMICAL COMPOSITION OF FOUR COTTONSEED VARIETIES

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dc.contributor.authorANIGO, KOLA MATTHEW
dc.date.accessioned2014-06-16T09:26:53Z
dc.date.available2014-06-16T09:26:53Z
dc.date.issued1995-05
dc.descriptionA THESIS SUBMITTED TO THE POSTGRADUATE SCHOOL AHMADU BELLO UNIVERSITY, ZARIA. IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE AWARD OF THE DEGREE OF MASTER OF SCIENCE (M.Sc.) IN BIOCHEMISTRY. DEPARTMENT OF BIOCHEMISTRY FACULTY OF SCIENCE AHMADU BELLO UNIVERSITY ZARIA, NIGERIA. MAY, 1995en_US
dc.description.abstractFour cottonseed varieties (TAMCOT-CABCS, TAMCOT-CAMD-E, TX-CDP.37-H-H-I-83 and SAMCOT-6) sown in May, June and July, 1991 were analysed to investigate the influence of time of sowing and variety on some chemical parameters. Data obtained showed significant variation in some of these parameters due to time of sowing and variety. Time of sowing significantly increased (P < 0.05) gossypol and ester value of TAMCOT-CABCS, but decreases its crude fat and manganese contents. Iron and copper contents of TAMCOT-CAMD-E were increased but had its crude fat, magnesium and phosphorus contents decreased. There were decreases in free cyanide, sodium and manganese contents of TX-CDP, while for SAMCOT-6 there was an increase in total carbohydrate but decreased crude fat, ester and saponification values, manganese and free cyanide contents. These cottonseed varieties sown in May showed significant effect (P< 0.05) of variety on the ester value, saponification value, calcium, sodium, phosphorus, manganese, iron and copper while those sown in June, varietal differences were reflected in their iron content. Those sown in July showed varietal effect on phytic acid, magnesium and manganese content. Based on the findings of this study, these cottonseed varieties are good sources of oil, protein and roughage, and may be distributed for sowing ending of May to obtain higher cotton fibre and oil yields. Appreciable protein quantity \/ i i could be obtained from the cottonseed meal after the extraction of the oil which can be used as feed supplement to animals.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/4894
dc.subjectINFLUENCE,en_US
dc.subjectSOWING,en_US
dc.subjectCHEMICAL,en_US
dc.subjectCOMPOSITION,en_US
dc.subjectCOTTONSEED,en_US
dc.subjectVARIETIES.en_US
dc.titleINFLUENCE OF TIME OF SOWING ON THE CHEMICAL COMPOSITION OF FOUR COTTONSEED VARIETIESen_US
dc.typeThesisen_US
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