FUNGICIDAL CONTROL OF FOLIAR DISEASES OF GROUNDNUT IN SAMARU, NORTHERN NIGERIA

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dc.contributor.authorNdedu, Sylvia
dc.date.accessioned2014-06-10T08:37:07Z
dc.date.available2014-06-10T08:37:07Z
dc.date.issued1986-02
dc.descriptionA thesis submitted to the Postgraduate School of Ahmadu Bello University, Zaria, in partial fulfillment of the requirements for the award of the Degree of Master of Science (Crop Protection). Department of Crop Protection Faculty of Agriculture Ahmadu Bello University, Zaria Nigeria FEBRUARY 1986en_US
dc.description.abstractTwo experiments were c a r r i e d out for the c o n t r ol of l e a f s p o t s and r u s t of groundnut. The t r i a l s were conducted in 1982 and 1983 at Samaru which r e p r e s e n ts t h e Northern Guinea Savanna zone. In one experiment, two f o r m u l a t i o n s of mancozeb (ULV and w e t t a b l e power) were a p p l i e d to groundnut as u l t r a - l o w volume and medium volume sprays u s i n g the s p i n n i n g d i s c and the CP3 knapsack s p r a y e r . Different r a t e s of the f u n g i c i d e s were used. The a p p l i c a t i o n of 2 , 0 0 kg/ha of the w e t t a b l e powder f o r m u l a t i o n and 4L/ha of the ULV f o r m u l a t i o n were found to be most s u i t a b l e. The u l t r a - l o w volume sprays r e s u l t e d in good c o n t r ol of l e a f s p o t s and r u s t as did the medium volume s p r a y s. The higher r a t e s of f u n g i c i d e f o r m u l a t i o n s r e s u l t e d in lower d i s e a s e s e v e r i t y . The use of w e t t a b l e powder f o r m u l a t i o n was however found to be cheaper except in c a s e s of extreme water s h o r t a g e. I n the second experiment, Calixin-M was a p p l i e d to groundnut at d i f f e r e n t times of commencement and d i f f e r e nt i n t e r v a l s of s p r a y i n g . There was no s i g n i f i c a n t d i f f e r e n ce i n the times of commencement in the d i s e a s e c o n t r o l. Spraying at 7- and 14-day i n t e r v a l s r e s u l t e d in more e f f e c t i v e and s i g n i f i c a n t l y higher pod and haulm y i e l ds of groundnut than 21-day i n t e r v a l s . Spraying regime commencing at f i r s t appearance of d i s e a s e symptoms and a p p l i e d at 14-day i n t e r v a l s was found to be the b e s t.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/4847
dc.language.isoenen_US
dc.subjectFUNGICIDAL,en_US
dc.subjectCONTROL,en_US
dc.subjectFOLIAR,en_US
dc.subjectDISEASES,en_US
dc.subjectGROUNDNUT,en_US
dc.subjectSAMARU,en_US
dc.subjectNORTHERN,en_US
dc.subjectNIGERIA.en_US
dc.titleFUNGICIDAL CONTROL OF FOLIAR DISEASES OF GROUNDNUT IN SAMARU, NORTHERN NIGERIAen_US
dc.typeThesisen_US
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