American Journal of Agricultural Research

A Study on birds and fish Diversity, abundance and their Conservation Status of Bahire Giorgis Lake

Research Article of American Journal of Agricultural Research Faba bean variety development for quality and disease resistance for potential areas Deressa Tesfaye, Gizachew Yilma, Gebeyew Achenif, Tadesse Sefera, Tamene Temesgen and Temesgen Abo EIAR Faba bean (Vicia faba L.) variety named ‘Numan’ with the pedigree designation of ‘EH06007-2’ has been released by Kulumsa agricultural research centre in Ethiopia. The variety is best adapted to altitudes ranging between 1800 to 3000 m.a.s.l. areas of Ethiopia and similar agro-ecologies. The variety was developed through hybridization between F5 generation (EH99037-5) and exotic material (ILB1563) and resulted in breeder id designation of ‘EH06007-2’. It has been tested at Kulumsa, Asassa, Bokoji, Koffale, Holetta, Adadi, Jeldu, Adet, Shambu and Sinana, from 2012 to 2013 main cropping seasons. The seed weight of this variety is 36.5% heavier than the seed weight of the variety used as the standard check. Despite ‘Numan’ showed relatively (-2.77%) less seed yield advantage across a range of environments and years than the standard checks Dosha and Tumsa in the National Variety Trials based on most stability measurement parameters. However, this variety is the seed size and moderately resistant to the major faba bean diseases such as chocolate spot and rust, and it could be cultivated across a number of locations in the mid and high-altitude areas of Ethiopia for increasing productivity of the crop and important variety for foreign export. Keywords: Vicia faba L, National yield trail, Preliminary variety trial, Grain yield, Seed size, Disease resistance ...

A Study on birds and fish Diversity, abundance and their Conservation Status of Bahire Giorgis Lake

Research Article of American Journal of Agricultural Research A Study on birds and fish Diversity, abundance and their Conservation Status of Bahire Giorgis Lake Dessalegn Taye and Edeget Merawi Bahir Dar Biodiveristy Center The objective of the study was to assess bird and fish species diversity, relative abundance and threats of Lake BahireGiorgis. Abundance of waterbirdand fish species composition of Lake was studied in dry and wet season in August 2017 and January 2018.Physico-chemical parameters of the Lake were identified using standard methodologies. Parameters such as electrical conductivity, PH, nitrate, Sulfite, Phosphate, TDS and Temperature values are within acceptable limits in contrast contained high amounts of alkalinity, total hardness and Turbidity. The study of fish diversity assessed through catches from four sites of the Lake. Two fish speciesOreochroisniloticus and Cyprinuscarpio were observed. The aboundance of fish is higher in wet season than dry season.Oreochroisniloticus was found dominantrepresnting13.79%andCyprinuscarpiowas the least aboundant 6.895%.Regarding birds, a total of 8 species, 8 genera, 6 families and 4 orders were identified. The most abundant and frequent species were Egyptian Goose (42.80), Yellow-billed duck (38.14),Red billed duck (12.44) whereas spotted redshank (0.78) and Rouget’s rail (0.39) were the least abundant.The largest number of bird species was recorded indry season and the lowest in wet season. The Lake is under severe pressure due to anthropogenic activities, like population pressure, habitat destruction, deforestation, agriculture, siltation, water pollution, overgrazing, bird killedwith trap and unmanaged irrigation system all contribute to the decline of the bird and fish species in lake.It can be concluded that the fish and the bird diversity and aboundance were low in the area and nothing was done on biodiversity conservation. Hence, an urgent conservation measure is recommended. Keywords: Anthropogenic, parameters, temperature, turbidity, pH.avian, fish, relative abundance ...

Diversity Analysis and Identification of Promising Powdery mildew Resistance Genotypes for Hybridization in Field Pea (Pisum sativum L.)

Research Article of American Journal of Agricultural Research Diversity Analysis and Identification of Promising Powdery mildew Resistance Genotypes for Hybridization in Field Pea (Pisum sativum L.) Kedir Yimam Assen Kulumsa Agricultural Research Center In the present study, seventy-one field pea gene pools including three released varieties were evaluated in an augmented block design for assessing genetic divergence and level of resistance to powdery mildew for exploitation in a breeding program aimed at improving yield potential of field pea by using cluster and principal component analysis. Among the 10 studied traits, four (Eigenvalue >1.0) contributed more than 68.45% variability among the materials. Cluster analysis grouped the 71 field pea genotypes into seven distinct classes. The genetic divergence between all possible pairs of clusters were highly significant (P<0.01). The inter-cluster D2 value ranged from 311.63 to 2850.61 indicated that the evaluated gene pools were highly divergent. The genetically more divergent materials present in cluster five and six as indicated by inter-cluster distance value (2850.61). Selecting genotypes of these clusters and crossing them probably provide promising recombinants and better sergeants for future breeding program. Considerable variation was also found for resistance against the powdery mildew diseases. Out of the total 71 genotypes 12 were resistant, 29 were moderately resistant, 25 were moderately susceptible and 5 were susceptible to powdery mildew disease. Among 12 resistant genotypes; GPHA-9 and GPHA-19 were high yielder and GPHA-29, GPHA-48, GPHA-45 and GPHA-42 genotypes were found to be high yielding among 29 moderately resistant genotypes. The resistant genotypes identified could be exploited directly and/or may be transferred through hybridization to high yielding disease susceptible genotypes after checking their yield and disease stability in a number of locations and seasons for more confirmation with the present finding, since the present result was from one location and one season (year) data ...


Research Article of American Journal of Agricultural Research INCIDENCE AND SEVERITY OF ANTHRACNOSE (Colletotrichum lindemuthianum) ON SELECTED COMMON BEAN (Phaseolus vulgaris L.) GENOTYPES Gaudencia J. Kiptoo1*, Miriam G. Kinyua2, Oliver K. Kiplagat2, Lexa G. Matasyoh3 1Egerton University, Biological Science Department P.O. Box 536-20115, Njoro-Kenya. 2University of Eldoret, Biotechnology Department P.O. Box 1125-30100, Eldoret-Kenya. 3University of Eldoret, Biological Science Department P.O. Box 1125-30100, Eldoret-Kenya Common bean (Phaseolus vulgaris L.), is among the most important legume crop for protein source in peoples’ diet globally and including Kenya. Anthracnose (Colletotrichum lindemuthianum) is a common disease of legumes that causes yield loss of upto 90-100%. Potential  production of common beans in Kenya is expected to be above 2000 kg ha-1 but due to challenges of pests and diseases among them anthracnose, it remains below potential yields. The aim of the recent study was to investigate selected common bean genotypes for anthracnose resistance in Kenya. The study was done in three varied agro-ecological zones; Busia, Bungoma and University of Eldoret. Fifteen genotypes were evaluated on field experiment to ascertain anthracnose incidence and severity. Four bean genotypes were used as experimental controls; two resistant and two susceptible controls. Data was collected on incidences and severity and subjected to Analysis of variance in SAS version 9.1. Mean values were separated using Tukeys’ Studentized Range Test. The results revealed tolerant and resistant genotypes with lower incidences and severity than those of resistant controls while susceptible genotypes recorded higher incidences and severity than those of the susceptible controls. Tolerant genotypes were; Ciankui, Tasha, and KK8 while the resistant genotypes were; Miezi mbili, KK15 and Chelalang. Site variation was significant at (P≤0.05) with Busia 82%, Bungoma 76% and University of 53%. KK15, Tasha and Chelalang were tolerant in all sites, and this could be attributed to their genetic resistance. The ...

Occurrence and Antimicrobial Susceptibility of Salmonella sp. and Escherichia coli in Minimally-processed and Frozen Fruit Pulps

Research Article of American Journal of Agricultural Research Occurrence and Antimicrobial Susceptibility of Salmonella sp. and Escherichia coli in Minimally-processed and Frozen Fruit Pulps SANTINI, T.P1; MARQUES, J.O2; NUÑES, K.V.M3; KABUKI, D.Y4 1Departament of Food Science, UNICAMP-SP; 2Institute of Pharmaceutical Science, UNICAMP-SP; 3Departament of Food Science, UNICAMP-SP; 4Departament of Food Science, UNICAMP-SP Fruits and fruit pulps are widely consumed worldwide due to their nutrients, flavors and varieties. However, these products become contaminated with pathogens during harvest or production, which are risks to consumers. This study analyzed the microbiological quality of frozen fruit pulps and minimally processed fruits sold in supermarkets and the presence Salmonella sp. and pathogenic Escherichia coli. Almost all frozen fruit pulps samples were adequate to consume, only one samples of unpasteurized mango pulp was positive for E. coli carrier  of est1b gene that codify thermostable toxin of Enterotoxigenic E. coli. Minimally processed fruits presented high yeast and mold counts in 36.25% (29/80) of the samples and 27.6% (22/80) had thermotolerant coliforms. In addition, one sample of grated coconut had E. coli and one sample of melon honeydew had Salmonella sp. E. coli O157:H7 was absent in all samples of minimally processed fruits. E. coli showed greater resistance to ampicillin and chloramphenicol. Multidrug resistance was observed in 14.3% (2/14) of E. coli isolates. Only one strain of Salmonella sp. was resistant to antibiotic sulfamethoxazole/trimethoprim. Therefore, the enforcement of pasteurization in the fruit pulp processing, as well hygienic-sanitary control in lead up of minimally-processed fruits and temperature control in storage are recommended to minimize the risk of foodborne disease. Keywords: mango, melon, multidrug resistance, pathogenic E. coli ...

Dr. Ajai Kumar Srivastav
Emeritus Professor, Department of Zoology, D.D.U. Gorakhpur University

Dr. Osman Tiryaki
Çanakkale Onsekiz Mart University, Faculty of Agriculture, Plant Protection Department, Terzioglu Campus, 17020, ÇANAKKALE, TURKEY

Prof.Dr. Süleyman Taban
Professor, Department of Soil Science and Plant Nutrition, Ankara University, Ankara-TURKEY

Dr. Nikolay Dimitrov Panayotov
Professor & Head, Department of Horticulture, Agricultural University

Dr.  Samuel Ohikhena Agele 
Lecture/Researcher, Department of Crop, Soil & Pest Management, Federal University of Technology

Dr. Ghousia Begum
Principal Scientist, Toxicology Unit, Biology Division, CSIR-Indian Institute of Chemical Technology

Dr. Sirisha Adamala
Assistant Professor, Department of Applied Engineering, Vignan's University

Dr. Mala Trivedi
Professor, Amity Institute of Biotechnology, AUUP, Lucknow-226028

Dr Ambreesh Singh Yadav
Scientific Officer, U.P. Council of Agricultural Research, Lucknow, U.P., India

Dr. Abd El-Aleem Saad Soliman Desoky
Professor, Plant Protection Department, Faculty of Agriculture, Sohag University

Dr. Chang-Hong Liu
Professor, School of life sciences, Nanjing University, P.R. China

Dr. İrfan Özberk
Professor & Head, Dept. of Field Crops, Fac. of Agri, The Univ. of Harran, Sanliurfa, Turkey

Dr. Papadakis Ioannis
Assistant Professor, Laboratory of Pomology, Agricultural University of Athens

Associate Professor & Head, Center for Research in Ethno & Medico Botany Dr. R.M.L. PG. College ( C.S.J.M. UNIVERSITY)

Dr. Ayman EL Sabagh
Assistant professor, agronomy department, faculty of agriculture, kafresheikh university, Egypt; Visiting scientist at Field Crops Department ,Faculty of Agriculture , Cukurova University, Turkey

Dr. Alaa Jabbar Abd Al-Manhel
Assistant Professor, Agriculture college /Basra University

Dr. Bibhuti Bhusan Sahoo
Scientist, Regional Research & Technology Transfer Station, (OUAT), Semiliguda

Dr. Sedat Karadavut
Assistant Professor, Agricultural Structers and İrrigation (Biosystems Engineering), Trakya University/TURKEY

Dr. Abhishek Naik
Area Manager, Technology development department

Dr. Ionel BONDOC
Associate Professor, University of Agricultural Sciences and Veterinary Medicine Iasi, Faculty of Veterinary Medicine Iasi (ROMANIA), Department of Public Health

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American Journal of Agricultural Research