Department of Agric Education

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    EFFECT OF SOME ENVIRONMENTAL FACTORS ON INCIDENCE AND SEVERITY OF ANGULAR LEAFSPOT OF COTTON IN YOLA AND MUBI, ADAMAWA STATE, NIGERIA
    (Department of Agricultural Technology,Nasarawa State University, Keffi., 2011-01-23) Tuti, N.Z.; Nahunnaro, H.; Ayuba, k.
    En v - factors such as relative humidity and rainfall generally have been found to increase the incidence, I'd: and severity of diseases thereby reducing yield of crops. Study was conducted on five cotton varieties, arti , ■:dated with bacterial blight pathogen to determine the effects of rainfall and relative humidity on inch ' sew . eas higher in Yola (58.657c) at 13 WAS is assumed to be due to higher relative humidity (76-877o) and :• . ■ (2 - 40.6 mm) which favours disease development as against that of Mubi location which recorded lower ■ 5Li 17c) due to lower relative humidity (42 - 557o) and rainfall (37 - 73 mm). Results further revealed that 5AMCOT-8 had low incidence and severity in both locations with an incidence of667o and severity of 397c of ALS t- . 13 WAS in Yola and S27o incidence and 427o severity in Mubi. SAMCOT-10 and SAMCOT-9 varieties wen- found to be highly susceptible to the disease at the same period. SAMCOT-8 recorded the highest yield of 390.00 kgha'1 in Yola and 868.09 kgha'1 in Mubi while lowest yields of 227.17 kgha'1 was observed on SAMCOT-10 in Yola and 461.61 kgha'1 was obtained on SAMCOT-9 in Mubi. There is need to conduct further trials in these locations to confirm the reaction of these varieties. ' .verity of angular leafspot (ALS) and yield of seed cotton in Yola and Mubi. Results showed that the
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    COMPARISON OF SEVERAL METHODS FOR THE ASSESSMENTOF Cylas INFESTATION OF SOME ADVANCED SWEET POTATO (Ipomoea batatas (L.) Lam.) BREEDING LINES IN NIGERIA.
    (Department of Agric Education, Nasarawa State University, Keffi., 2011-02-01) Abayol, K. N.; Ogaraku, A. O.; Afuape, S. O.
    Field trials were conducted at three locations in Nigeria to assess the levels of Cylas infestation of some advanced sweet potato (Ipomoea batatas (L.) Lam) breeding lines at pre-release stage using several methods. These locations include: Nyanya, Makurdi and Umudike. Sweet potato genotypes were planted in a randomized complete block design (RCBD) with three replicates at each location. At four months maturity, sweet potato roots were harvested and assessed for Cylas spp. infestation using four methods. Of the four methods used, two distinguished between clean and infested roots, while two took into consideration the extent of individual root damage. Significant difference (P<0.01) in levels of infestation expressed as percentage clean yield was observed but a nonsignificant difference was observed in extent of individual root damage expressed as Cylas mean scores. Comparison of these methods was done using correlation and regression analysis tools. Correlation studies showed significant associations (P<0.01) among all the methods. Whereas methods A and D were positively correlated (R2=0.627) methods B and C showed negative correlation (R2=-0.737). Comparison of both methods A and B however showed positive correlation with a lower R2=0.475 and methods C and D showed negative and significant correlation with the value of R2=-0.477. This indicates a stronger correlation between methods A and D/B and C and a lesser correlation between methods A and B/C and D. Thus, the more rapid method A can be used as an approximation of the more time-consuming method D. And with the limitation of time, methods A, B or C would be appropriate in assessing Cylas spp. damage in sweet potato roots.
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    EVALUATION OF APPLICATION METHODS AND RATES OF GOAT MANURE ON THE GROWTH AND POD CHARACTERISTICS OF OKRA (ABELMOSCHUS ESCULENTUS L. MOENCH) IN THE SOUTHERN GUINEA SAVANNAH OF NIGERIA
    (Department of Agricultural Education Nasarawa State University Keffi., 2016-01-01) *Abdulmaliq, S. Y.; Isah, M.K.; Adekola, F.; Owolabi, S.; Danjuma, S.; Mahamood, J.
    A Field experiment was conducted at Mokwa (Latitude 09 08’’N and longitude 050 04’’E) and Lapai (Latitude 90 02’ N and Longitude 060 34’E) of the Equator, Southern Guinea Savannah ecology. The experiment was laid in 3 x 4 factorial in a completely randomized block design (CRBD). There were three (3) levels of goat manure application methods (single row application, double row application and ring application) and four (4) levels of goat manure rates (0, 5, 10 and 15 t ha-1). Collected data included plant height/plant, number of leaves/plant and leaf area/plant at 4, 8 and 12 weeks after planting (WAP). Flowering and pod characteristics data included days to first flowering, days to 50% flowering, days to first fruiting, days to 50% fruiting, pod length/plant, pod diameter/plant, number of pods/plot and pod cumulative yield/ ton/ha. Data were subjected to Analysis of Variance (ANOVA). Means were separated using Least Significant differences (LSD) at 5% probability level. The results indicated that okra growth parameters were not significantly affected by the goat manure rates at 4WAP. However, at 8 and 12 WAP, okra plant height/plant, number of leaves/plant and leaf area were significantly affected by goat manure method of application and its rates. The ring method of goat manure application and 15 t ha-1 significantly produced taller okra plant, larger number of leaves/plant and widest leaf area/plant at P<0.05 at Mokwa and Lapai in Southern Guinea Savannah in 2015 cropping season. It also supported longest pod/plant (cm), widest pod diameter/plant (cm), largest number of pods/plot and highest cumulative pod yield t ha-1.
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    EVALUATION OF THREE FORAGES GLIRICIDIA SEPIUM, GMELINA ARBOREA AND MUSA SPECIE INFLUENCE ON RABBIT GROWTH IN FEDERAL COLLEGE OF EDUCATION. ZARIA
    (Agricultural Education Department nasarawa state, 2016-04-08) A. A, Omodara; B.I, Balogun
    The study was carried out in Federal College of Education, Zaria using 45 weaned rabbit (Oryctolagus cuniculus) that were placed on three forages of Gliricidia sepium, Gmelina arborea and Musa species as supplement to Wheat Bran for a period of eight weeks. On daily basis, 100 g of wheat bran was offered with 500 g each of the three forages per rabbit. Data were collected on feed leftover on daily basis and live weight on weekly basis for the period. Data collected were subjected to analysis using One Way Analysis of Variance (ANOVA) while the means were separated using Lease Significant Difference at 5% level of probability. The result shows that there were significant difference (P<0.05) in the level of feed consumption and live weight. Hence, it is concluded that Gmelina and Banana were better than Gliricidia in feeding rabbit.
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    Effect of Ronoxyme hiphos® supplementation on nutrient digestibility and blood parameters of grower rabbits fed sunflower seed meal-based diets
    (Department of Agricultural Education, Nasarawa State University Keffi, 2020-01-19) Onazi, B.O.; Samuel, Emmanuel Alu; Ogah, D.M.; Adua, M.M.; Muhammad, Kabir Baba
    sunflower seed meal (SFSM) supplemented with enzyme on nutrient digestibility and blood parameters using 72 growing rabbits. Nine diets namely T1 to T9 were compounded to be isocaloric (2500 kcal/kg, ME) and isonitrogenous (15%) with treatments T1, T2 and T3 having 0% inclusion rate of SFS meal and 0PPM, 150PPM and 250PPM of the enzyme supplementation. Treatments T4 to T6 and T7 to T9 had 10 and 20% levels of SFS meal inclusion rate respectively but maintaining same levels of enzyme supplementation as in T1 to T3. This arrangement translated to T1, T4 and T7 serving as the control diets for T2 and T3, T5 and T6 and T8 to T9, respectively. The rabbits were allotted to the three levels of SFS meal (0,10 and 20%) and three levels of enzyme supplementation (0,150, and 250PPM) in a 3x3 factorial arrangement of a completely randomized design (CRD) to produce nine treatment diets. The treatments were replicated four times. Crude fibre, neutral detergent fibre, acid detergent fibre and cellulose were significantly (P<0.05) higher in rabbit fed 20% (84.58%, 72.24%, 67.16% and 64.27%) SFS diet than 0% (64.20%, 66.68%, 59.40% and 57.81%) and 10% (76.88%, 70.63%, 64.04% and 61.90%) respectively. Enzyme supplementation significantly (P<0.05) improved RBC, the values increased from 5.23 x1012/l for non-enzyme supplementation to 5.38 -5.73 x1012/l. Red blood cell and was significantly (P<0.05) lower in rabbits fed T4 diet than the other groups. Similarly, haemoglobin (11.42 vs. 11.37 and 12.01 g/dl), cholesterol (3.83 vs. 4.33 and 4.31mmol/l) and triglyceride (0.95 vs. 1.16 and 1.03mmol/l) were improved (P<0.05) as the level of enzyme supplementation increased in the diets. In view of the significant improvement in nutrient digestibility and some of the blood parameters recorded, rabbit farmers can use the 150 PPM of the enzyme in SFS meal based diets without affecting the nutrient digestibility and health of the rabbits
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    ECONOMICS OF IRISH I POTATO PRODUCTION IN PLATEAU STATE, NIGERIA
    (Department of Agricultural Economic And Extension Nsarawa State University Keffi, 2020-03-04) Obi, Christopher Uche
    The study examined the economics of Irish potato production in Plateau State, Nigeria. A multistage sampling technique was used to select 180 respondents for the study. Data were analyzed using descriptive statistics and Cobb-Douglas functional form of the stochastic frontier model. The results revealed that the mean age of the respondents was 44 years. Majority of the respondents were married and most had formal education with average household size of eight persons. The profitability analysis shows a gross margin of N95,986.86 per hectare with return on naira invested as 29 kobo. The Maximum Likelihood Estimates of production function used in the study shows that farm size and seed positively and significantly influenced output of Irish potato under the Cobb-Douglas model and that the mean technical efficiency estimates was 68%. The inefficiency estimates shows that education and household size decreased inefficiency, while farming experience increased it. The study further found that high costs of inputs, inadequate credit facilities, pests and diseases, lack of security are the major constraints to Irish production in the study area. Based on the results, the study recommends that government should increase extension contacts to train farmers on how to reduce technical inefficiency and ultimately, increase profitability in the study area. The study further recommends an increase in farm size under Irish potato cultivation and provision of adequate security to increase farmers' productivity. vi
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    Haematology and serum biochemistry of rabbits fed acha (Digitaria exilis) offal meal-based diets supplemented with Maxigrains® enzyme
    (Department of Animal Science, Nasarawa State University Keffi, 2021-01-09) Azi, J.A.; Samuel, Emmanuel Alu; Ogah, D.M.; Muhammad, Kabir Baba
    Food-feed competition between human and animals has necessitated farmers to turn to alternative feed resources such as Acha Offal. Forty eight rabbits of mixed breeds and similar live weight were utilized in an experiment to evaluate the effect of feeding acha offal mealbased diets supplemented with Maxigrain enzyme on their haematology and serum biochemistry. The experiment had two phases (weaner and grower) each lasting for 42 days. Six treatments diets namely T1, T2, T3, T4, T5 and T6 were compounded to be iso-caloric (2700kcal/kg) and iso-nitrogenous (18% crude protein) for the weaner phase while (15% crude protein) and isocaloric (2500kcal/kg) for the grower phase. The Acha Offal (AO) was included at 0, 15 and 30% while the enzyme was supplemented at 0 and 200ppm. The experiment was arranged in a 2x3 factorial fitted into a Completely Randomized Design. Each treatment was replicated 4 times having two rabbits per replicate. Feed and water were provided to the animals daily and all standard routine management practices were strictly observed throughout the experimental period. At the end of the feeding trial, blood samples were collected from each animal for blood analyses. The results show that there was no significant (P>0.05) variation on the haematological and biochemical parameters due to enzyme or AO effect. In the growing phase, main effect of AO was not significant (P>0.05) on the haematological parameters except on white blood cell (WBC) and mean cell haemoglobin concentration (MCHC). Effect of enzymes on growing rabbit was not significantly different (P>0.05) except on WBC at 0ppm (5.75 x109/L) and 200ppm (6.60 x109/L) and on MCHC at 0ppm (33.27 x109/L) and 200ppm (33.20 x109/L). The Interactive effect of AO and enzyme showed that T2 had the highest WBC (8.80 x109/L) while T4 had the lowest MCHC (33.10 x109/L). Serum biochemical parameters were not affected by Acha offal except phosphorus where there was a significant (P<0.05) reduction in 30% AO (1.35g/dL). Enzymes effect showed that animals on 0ppm had significantly (P<0.05) higher phosphorus (1.83g/dl) than 200ppm (1.38g/dL). Acha offal supplemented with Maxigrain enzyme can be included in the diets of grower rabbits without adverse effect on haematological and serum biochemical indices