R. C. L. Brown-Uddenberg, "The conceptualization of an intensive production model for the agouti (Dasyprocta leporina) A neotropical rodent in Trinidad, West Indies," M.Phil. Thesis in Livestock Science, The University of the West Indies, Trinidad, Trinidad and Tobago, W.I, 2001.
 D. A. Meritt, "The natural history and captive management of the central America agouti (Dasyprocata punctata) grey and agouti (Dasyprocta aguti) Linne," in American Association of the Zoological Parks and Aquariums, Annual Conference Proceedings. Denver, Colorado, 1978, pp. 177-181.
 P. Nguimkeu, "A simple selection test between the Gompertz and Logistic growth models," Technological Forecasting and Social Change, vol. 88, pp. 98-105, 2014. Available at: https://doi.org/10.1016/j.techfore.2014.06.017.
 A. Garnero, C. Marcondes, N. Albuquerque, R. Araújo, Y. Pendu, and D. Guimarães, "Growth curve of female collared peccaries (Pecari tajacu) raised in captivity in the Brazilian amazon region," Brazilian Archive of Veterinary Medicine and Animal Science, vol. 65, pp. 961-966, 2013. Available at: https://doi.org/10.1590/s0102-09352013000400004.
 A. Gbangboche, R. Glele-Kakai, S. Salifou, L. G. d. Albuquerque, and P. Leroy, "Comparison of non-linear growth models to describe the growth curve in West African dwarf sheep," Animal, vol. 2, pp. 1003-1012, 2008. Available at: https://doi.org/10.1017/s1751731108002206.
 R. Mohammed, L. George, and W. G. Gary, "Towards the determination of a “Weaning Age” for the intensive production of the agouti (Dasyprocta leporina)." Livestock Research for Rural Development. Available: http://www.lrrd.org/public-lrrd/proofs/lrrd3010/riyad30173.html, 2018.
Weldesenbet Beze Kassie
 X. Zhou, J. A. Smith, P. G. Koehler, G. W. Bennett, and M. E. Scharf, "Correlation of cellulase gene expression and cellulolytic activity throughout the gut of the termite Reticulitermes flavipes," Gene, vol. 395, pp. 29-39, 2007.
 M. Paris and L. Despres, "Identifying insecticide resistance genes in mosquito by combining AFLP genome scans and 454 pyrosequencing," Molecular Ecology, vol. 21, pp. 1672-1686, 2012. Available at: https://doi.org/10.1111/j.1365-294x.2012.05499.x.
 C. A. Damalas and I. G. Eleftherohorinos, "Pesticide exposure, safety issues, and risk assessment indicators," International Journal of Environmental Research and Public Health, vol. 8, pp. 1402-1419, 2011. Available at: https://doi.org/10.3390/ijerph8051402.
 M. B. Isman, "Botanical insecticides, deterrents, and repellents in modern agriculture and an increasingly regulated world," Annual Review of Entomology, vol. 51, pp. 45-66, 2006. Available at: https://doi.org/10.1146/annurev.ento.51.110104.151146.
 K. Prabakar and A. Jebanesan, "Larvicidal efficacy of some cucurbitacious plant leaf extracts against culex quinquefasciatus (Say)," Bioresource Technology, vol. 95, pp. 113-114, 2004. Available at: https://doi.org/10.1016/j.biortech.2003.05.001.
 N. Sahay, C. Prajapati, and P. Singh, "Anti-termite potential of plants selected from the SRISTI database of grassroots innovations," Journal of Biological Pest Control, vol. 7, pp. 164-169, 2014.
 T. Shiberu, H. Ashagere, and M. Negeri, "Effect of some botanicals against termites, macroterms Spp. (Isoptera: Termitidae) under laboratory conditions," International Journal of Sustainable Agricultural Research, vol. 1, pp. 52-57, 2014.
 R. K. Upadhyay, "Effects of plant latex based anti-termite formulations on Indian white termite, odontotermes obesus (Isoptera: Odontotermitidae) in sub-tropical high infestation areas," Journal of Animal Science, vol. 3, pp. 281-294, 2013. Available at: https://doi.org/10.4236/ojas.2013.34042.
 A. Sattar, M. Naeem, and U. Ehsan, "Efficacy of plant extracts against termites, microtermes obesi and odontotermes lokanandi," Journal of Biodiversity and Development, vol. 1, pp. 1-7, 2014. Available at: https://doi.org/10.4172/2376-0214.1000122.
 S. Rajesh and S. Vikas, "Efficacy of ethanolic extracts of Brassica nigra as potential antimicrobial agent against seed microorganisms," International Journal of Pharmaceutical, vol. 3, pp. 117-122, 2014.
 S. Ignatowicz and B. Wesolowska, "Potential of common herbs as grain protectants: Repellent effects of herb extracts on the Granary Weevil, sitophilus granaries," in Poland. Proceeding of the 6th International conference on Stored Product protection, 2002, pp. 790-794.
 N. Lulie and N. Raja, "Evaluation of certain botanical preparations against African bollworm, helicoverpa armigera Hubner (Lepidoptera: Noctuidae) and non target organisms in chickpea, cicer arietinum L," Journal of Biofertilizers & Biopesticides, vol. 3, pp. 1-6, 2012. Available at: https://doi.org/10.4172/2155-6202.10000130.
Nabaloum Moumouni , Belem Mamounata , Ouoba Pounyala Awa , Yameogo Josephine , Da Dapola Evariste Constant
Regasa Dibaba Wake , Afework Hagos Mesfin , Chilot Yirga , Endeshaw Habte
E. M. Eldey , A. M. El Naim , T. I. Ali
 M. I. Hussein and S. H. Shah, "Growth, yield and quality response of three wheat (Triticum aestivum L.) varieties to different levels of N, P and K," International Journal of Agriculture and Biology, vol. 4, pp. 362-364, 2002.
 E. E. M., A. M. El Naim, M. K. Abdelrhaman, and A. A. Ishag, "Effect of sowing date and cultivar on seed yield of wheat (Triticum aestivum L.) in new Halfa Eastern Sudan," International Journal of Research Studies in Agricultural Sciences, vol. 4, pp. 34-39 2018.
 G. Wall, R. Garcia, B. Kimball, D. Hunsaker, P. Pinter, S. P. Long, C. Osborne, D. Hendrix, F. Wechsung, and G. Wechsung, "Interactive effects of elevated carbon dioxide and drought on wheat," Agronomy Journal, vol. 98, pp. 354-381, 2006. Available at: https://doi.org/10.2134/agronj2004.0089.
 R. Singh and R. Trethowan, Breeding spring bread wheat for irrigated and rain fed production systems of the developing world. In: Kang M, Priyadarshan PM Breeding major food staples. New York: Blackwell Publishing: John Wiley and Sons. Inc, 2007.
 T. D. Teare and M. M. Peet, Crop water relations, wheat and Sugarcane. Tilly L. and L. Chapman. 1999. Benchmarking crop water index for Queensland sugar industry. The United Nations: Tilly and Chapman, 1983.
 OECD-FAO, "OECD-FAO agricultural outlook 2018-2027, OECD Publishing, Paris/Food and AgricultureOrganization of the United Nations, Rome. Available: https://doi.org/10.1787/agr_outlook-2018-en," 2018.
 V. Sardana, S. Sharma, and A. Randhawa, "Performance of wheat (Triticum aestivum) varieties under different sowing dates and nitrogen levels in the submontane region of Punjab," Indian Journal of Agronomy, vol. 47, pp. 372-377, 2002.
 S. A. Suleiman, "The influence of triticum asetivum seeding rates and sowing patterns on the vegetative characteristics in Shambat soil under irrigation," Research Journal of Agriculture and Biological Sciences, vol. 6, pp. 93-102, 2010.
 G. Nizamani, A. Imtiaz, A. Khatri, M. Siddiqui, M. Nizamani, and M. Khaskheli, "Influence of different row spacing on agronomic traits in different wheat varieties," International Journal of Development Research, vol. 4, pp. 2207-2211, 2014.
 A. Ozturk, O. Caglar, and S. Bulut, "Growth and yield response of facultative wheat to winter sowing, freezing sowing and spring sowing at different seeding rates," Journal of Agronomy and Crop Science, vol. 192, pp. 10-16, 2006. Available at: https://doi.org/10.1111/j.1439-037x.2006.00187.x.
 N. Iqbal, N. Akbar, M. Ali, M. Sattar, and L. Ali, "Effect of seed rate and row spacing on yield and yield components of wheat (Triticum aestivum L.)," Journal of Agricultural Research, vol. 48, pp. 151-156, 2010.
 A. Muhammad, C. G. Rabbani, G. M. Subhani, and I. Khaliq, "Combinig ability studies for some polygenic traits in aestivium species," Pakistan Journal of Biological Sciences, vol. 2, pp. 434-437, 1999. Available at: https://doi.org/10.3923/pjbs.1999.434.437.
 B. Saeed, G. Hasina, A. Shazma, K. Ayub, A. Shamsher, and N. Ishrat, "Performance of wheat varieties sown under solid and skip row geometry," Journal of Agricultural and Biological Science, vol. 7, pp. 545-548, 2012.
 B. P. Pandey, K. B. Basnet, M. R. Bhatta, S. K. Sah, R. B. Thapa, and T. P. Kandel, "Effect of row spacing and direction of sowing on yield and yield attributing characters of wheat cultivated in Western Chitwan, Nepal," Agricultural Sciences, vol. 4, pp. 309-316, 2013. Available at: https://doi.org/10.4236/as.2013.47044.
 M. Shahzad, Wasi-ud-Din, S. Sahi, M. Khan, M. Ehsanullah, and M. Ahmad, "Effect of sowing dates and seed treatment on grain yield and quality of wheat," Pakistan Journal of Agricultural Sciences, vol. 44, pp. 581-583, 2007.
 M. Baloch, I. Shah, M. Nadim, M. Khan, and A. Khakwani, "Effect of seeding density and planting time on growth and yield attributes of wheat," The Journal of Animal and Plant Sciences, vol. 20, pp. 239-240, 2010.
 K. Hayatullah, A. Muhammad, H. Iqtidar, Z. Muhamad, and K. Masood, "Effects of sowing methods and seed rates on grain yield and yield components of wheat variety pak-8," Pakistan Journal of Biological Sciences, vol. 3, pp. 1177-1179, 2000. Available at: https://doi.org/10.3923/pjbs.2000.1177.1179.
 D. K. Tompkins, G. E. Hultgjreen, A. T. Wright, and D. B. Fowler, "Seed rate and row spacing of no- till winter wheat," Agronomy Journal, vol. 83, pp. 684-688, 1991. Available at: https://doi.org/10.2134/agronj1991.00021962008300040022x.
 K. Naseem, A. R. H. Qureshi, J. a. Akhtar, and M. A. Masood, "Screening of wheat (Triticum aestivum L.) genotypes against salinity in solution culture," Pakistan Journal of Agricultural Sciences, vol. 37, pp. 1-6, 2002.
 S. S. Thakur, I. S. Pandev, S. J. Singh, and Mishr, "Effect of seed rate and row spacing on late sown wheat in alluvial calcareous soil," Journal of Research Birsa Agriculture University, vol. 2, pp. 123-125, 1996.
 E. Hameed, S. A. Wajid, A. A. Shad, J. Bakht, and T. Muhammad, "Effect of different planting dates, seed rates and nitrogen levels on wheat," Asian Journal of Plant Sciences, vol. 2, pp. 464-474, 2003. Available at: https://doi.org/10.3923/ajps.2003.467.474.
 M. S. Bogojević, T. Hengl, and E. Merdić, "Spatiotemporal monitoring of floodwater mosquito dispersal in Osijek, Croatia," Journal of the American Mosquito Control Association, vol. 23, pp. 99-109, 2007. Available at: https://doi.org/10.2987/8756-971x(2007)23[99:smofmd]2.0.co;2.
 F. Arizonal, "Evaluation of mosquito species (Diptera: Culicidae) Identified in MRISA province according to their Breeding sites and Seasonal differences," Turkish Journal of Parasitology, vol. 35, pp. 100-102, 2010.
 World Health Organization, "Report of the WHO informal consultation on the evaluation and testing of insecticides," Geneva, World Health Organization. Karl Grandin, Edition. Les Prix. Nobel. The Nobel Foundation, 1999.
 F. Arizona, "Evaluation of Mosquito species (Diptera: Culicidae) Identified in MRISA Province according to their Breeding sites and Seasonal differences," Turkish Journal of Parasitology, vol. 35, pp. 100-104, 2001. Available at: https://doi.org/10.5152/tpd.2011.25.
 B. Carter, "The importance of wheat quality," Agricultural Horizons, Cooperating Agencies: Washington State University, U.S. Department of Agriculture, and Eastern Washington Counties.Cooperative2002.
 S. K. Khanzada, A. Raza, S. Ahmad, I. Korejo, and Z. Imran, "Release of chonte# 1 in Afghanistan: Future threat to sustainable wheat production in the region," Pakistan Journal of Phytopathology, vol. 24, pp. 82-84, 2012.
 D. Kahrizi, K. Cheghamirza, M. Kakaei, R. Mohammadi, and A. Ebadi, "Heritability and genetic gain of some morphophysiological variables of durum wheat (Triticum turgidum var. durum)," African Journal of Biotechnology, vol. 9, pp. 4687-4691, 2010.
 M. Maccaferri, M. A. Cane, M. C. Sanguineti, S. Salvi, M. C. Colalongo, A. Massi, F. Clarke, R. Knox, C. J. Pozniak, and J. M. Clarke, "A consensus framework map of durum wheat (Triticum durum Desf.) suitable for linkage disequilibrium analysis and genome-wide association mapping," BMC Genomics, vol. 15, pp. 1-21, 2014.Available at: https://doi.org/10.1186/1471-2164-15-873.
 W. Denbel and A. Badebo, "Valuable sources of resistance in the Ethiopian durum wheat landraces to Ug33 and other stem rust races," International Journal of Agronomy and Plant Production, vol. 3, pp. 191-195, 2012.
 C. Central Statistical Agency, Agricultural sample survey 2015/2016 volume I. report on area and production of crops (private peasant holdings, Meher season). Statistical bulletin vol. 584. Addis Ababa, Ethiopia: Central Statistical Agency, 2016.
 A. Badebo, B. Abeyo, and V. Akulumuka, "Wheat research and development in the eastern and central Africa: past, present and future outlook. In: Wandera F., Akulumuka V., Maina J., Otiang J., Mubiru J. F., Mbugua D., and Muinga R. (Eds.), Regional specialization for enhanced agricultural productivity and transformation," in Proceedings of the Eastern Africa Agricultural Productivity Program End-of-Phase One Project Conference and Exhibition. [ASARECA] Association for Strengthening Agricultural Research in Eastern and Central Africa, 2015, pp. 60-70.
 D. Hodson, "Localized stem rust epidemic in Southern Ethiopia extreme caution and vigilance needed in East Africa and Middle East region. A global wheat rust monitoring system. Internet source." Retrieved: http://rusttracker.cimmyt.org/? p=5473 [Accessed 25 October 2017], 2013.
 R. P. Singh, J. Huerta-Espino, and A. P. Roelfs, The wheat rusts. In: Bread wheat: Improvement and production, Curtis, B.C., S. Rajaram and H.G. Macpherson (Eds.). Rome: Food and Agriculture Organization, 2002.
 R. P. Singh, "Pros and cons of utilizing major, race-specific resistance genes versus partial resistance in breeding rust resistant wheat," in In Proceedings, Borlaug Global Rust Initiative, 2012 Technical Workshop, September 1-4, Beijing, China: Oral presentations. Borlaug Global Rust Initiative, 2012, pp. 57-65.
 R. P. Singh, D. P. Hodson, J. Huerta-Espino, Y. Jin, P. Njau, R. Wanyera, S. A. Herrera-Foessel, and R. W. Ward, "Will stem rust destroy the world's wheat crop?," Advances in Agronomy, vol. 98, pp. 271-309, 2008.Available at: https://doi.org/10.1016/s0065-2113(08)00205-8.
 CIMMYT, Sounding the alarm on global stem rust. An assessment of race Ug99 in Kenya and Ethiopia and the potential for impact in neighboring regions and beyond. Outbreak in Eastern Africa. 29 May 2005. Mexico: CIMMYT, 2005.
 P. Olivera, M. Newcomb, L. J. Szabo, M. Rouse, J. Johnson, S. Gale, D. G. Luster, D. Hodson, J. A. Cox, and L. Burgin, "Phenotypic and genotypic characterization of race TKTTF of Puccinia graminis f. sp. tritici that caused a wheat stem rust epidemic in southern Ethiopia in 2013–14," Phytopathology, vol. 105, pp. 917-928, 2015.
 B. Admassu, V. Lind, W. Friedt, and F. Ordon, "Virulence analysis of Puccinia graminis f. sp. tritici populations in Ethiopia with special consideration of Ug99," Plant Pathology, vol. 58, pp. 362-369, 2009.
 R. D. Wilcoxson, B. Skovmand, and A. H. Atif, "Evaluation of wheat cultivars for ability to retard development of stem rust," Annals of Applied Biology, vol. 80, pp. 275-281, 1975.Available at: https://doi.org/10.1111/j.1744-7348.1975.tb01633.x.
 E. A. Ogutu, M. K. Charimbu, and P. N. Njau, "Evaluation of stem rust (Puccinia graminis f. sp tritici) seedling resistance in Kenyan bread wheat (Triticum aestivum L.) Mutant lines," World, vol. 5, pp. 279-283, 2017.
 D. Cheruiyot, P. P. O. Ojwang, P. N. Njau, P. F. Arama, and S. Bhavani, "Evaluation of advanced wheat (Triticum aestivum L.) lines for stem rust (Puccinia graminis f. sp. tritici) resistance and yield," International Journal of Agronomy and Agricultural Research, vol. 6, pp. 57-70, 2015.
 S. Safavi and F. Afshari, "A seven-year assessment of resistance durability to yellow rust in some wheat cultivars in Ardabil province, Iran," Journal of Crop Protection, vol. 6, pp. 409-421, 2017.
 S. J. A. Shah, S. Hussain, M. Ahmad, and M. Ibrahim, "Characterization of slow rusting resistance against Puccinia striiformis f. sp. tritici in candidate and released bread wheat cultivars of Pakistan," Journal of Plant Pathology & Microbiology, vol. 5, pp. 1-9, 2014.
 J. G. Ellis, E. S. Lagudah, W. Spielmeyer, and P. N. Dodds, "The past, present and future of breeding rust resistant wheat," Frontiers in Plant Science, vol. 5, p. 641, 2014.Available at: https://doi.org/10.3389/fpls.2014.00641.
 E. Fekadu, B. Admassu, and Z. Kassaye, "Seedling and adult plant resistance in Ethiopian wheat varieties to local Puccinia graminis isolates," in In Proceedings of the 12th Regional Wheat Workshop for Eastern, Central and Southern Africa, 2004, p. 86.
 F. Nzuve, S. Bhavani, G. Tusiime, P. Njau, and R. Wanyera, "Evaluation of bread wheat for both seedling and adult plant resistance to stem rust," African Journal of Plant Science, vol. 6, pp. 426-432, 2012.Available at: https://doi.org/10.5897/ajps12.135.
 R. P. Singh, J. HUERTA-ESPINO, and H. M. William, "Genetics and breeding for durable resistance to leaf and stripe rusts in wheat," Turkish Journal of Agriculture and Forestry, vol. 29, pp. 121-127, 2005.
 S. Figlan, T. Baloyi, T. Hlongoane, T. Terefe, H. Shimelis, and T. Tsilo, "Adult plant resistance of selected Kenyan wheat cultivars to leaf rust and stem rust diseases," Cereal Research Communications, vol. 45, pp. 68-82, 2017.Available at: https://doi.org/10.1556/0806.44.2016.052.
 X. Chen, M. Moore, E. A. Milus, D. L. Long, R. F. Line, D. Marshall, and L. Jackson, "Wheat stripe rust epidemics and races of Puccinia striiformis f. sp. tritici in the United States in 2000," Plant Disease, vol. 86, pp. 39-46, 2002.Available at: https://doi.org/10.1094/pdis.2002.86.1.39.
 S. Herrera-Foessel, R. Singh, J. Huerta-Espino, J. Crossa, A. Djurle, and J. Yuen, "Evaluation of slow rusting resistance components to leaf rust in CIMMYT durum wheats," Euphytica, vol. 155, pp. 361-369, 2007.Available at: https://doi.org/10.1007/s10681-006-9337-7.
 M. Akello, F. Nzuve, F. Olubayo, G. Macharia, and J. Muthomi, "Identification of resistance sources to wheat stem rust from introduced genotypes in Kenya," Journal of Agricultural Science, vol. 9, pp. 73-87, 2017.Available at: https://doi.org/10.5539/jas.v9n2p73.
 J. T. Parlevliet and O. A. Van, "Partial resistance of barley to leaf rust, Puccinia hordei. II. Relationship between field trials, micro plot tests and latent period," Euphytica, vol. 24, pp. 293-303, 1975.
 S. Ali, H. Rahman, S. J. A. Shah, and S. Shah, "Assessment of field resistance using host-pathogen interaction phenotype for wheat yellow rust," African Crop Science Journal, vol. 17, pp. 213-221, 2009.
 S. A. Safavi, A. B. Ahari, F. Afshari, and M. Arzanlou, "Slow rusting resistance in Iranian barley cultivars to Puccinia striiformis f. sp. hordei," Journal of Plant Protection Research, vol. 53, pp. 5-11, 2013.Available at: https://doi.org/10.2478/jppr-2013-0001.
 K. Saleem, H. M. I. Arshad, S. Shokat, and B. M. Atta, "Appraisal of wheat germplasm for adult plant resistance against stripe rust," Journal of Plant Protection Research, vol. 55, pp. 405-414, 2015.Available at: https://doi.org/10.1515/jppr-2015-0055.
 N. B. Hei, "Evaluation of wheat cultivars for slow rusting resistance to leaf rust (Puccinia trticina Eriks) in Ethiopia," African Journal of Plant Science, vol. 11, pp. 23-29, 2017.Available at: https://doi.org/10.5897/ajps2016.1450.
 A. Hailu, G. Woldeab, W. Dawit, and E. Hailu, "distribution of wheat stem rust (Puccinia Graminis F. Sp. Tritici) in West and Southwest Shewa Zones and identification of its phsiological races," Advances in Crop Science and Technology, vol. 3, pp. 1-10, 2015.Available at: https://doi.org/10.4172/2329-8863.1000189.
 A. K. Pathan and R. F. Park, "Evaluation of seedling and adult plant resistance to leaf rust in European wheat cultivars," Euphytica, vol. 149, pp. 327-342, 2006.Available at: https://doi.org/10.1007/s10681-005-9081-4.
 I. S. Draz, M. S. Abou-Elseoud, A.-E. M. Kamara, O. A.-E. Alaa-Eldein, and A. F. El-Bebany, "Screening of wheat genotypes for leaf rust resistance along with grain yield," Annals of Agricultural Sciences, vol. 60, pp. 29-39, 2015.Available at: https://doi.org/10.1016/j.aoas.2015.01.001.
 W. Denbel, A. Badebo, and T. Alemu, "Evaluation of Ethiopian commercial wheat cultivars for resistance to stem rust of wheat race ‘UG99’," International Journal of Agronomy and Plant Production, vol. 4, pp. 15-24, 2013.
 Z. Wang, L. Li, Z. He, X. Duan, Y. Zhou, X. Chen, M. Lillemo, R. Singh, H. Wang, and X. Xia, "Seedling and adult plant resistance to powdery mildew in Chinese bread wheat cultivars and lines," Plant Disease, vol. 89, pp. 457-463, 2005.Available at: https://doi.org/10.1094/pd-89-0457.
 T. Taye, C. Fininsa, and G. Woldeab, "Yield variability of bread wheat under wheat stem rust pressure at bore field condition of Southern Oromia," Journal of Agricultural Science and Food Technology, vol. 1, pp. 11-15, 2015.
 I. Simko and H.-P. Piepho, "The area under the disease progress stairs: Calculation, advantage, and application," Phytopathology, vol. 102, pp. 381-389, 2012.Available at: https://doi.org/10.1094/phyto-07-11-0216.
 D. M. Gebreyohannes, "Evaluation of bread wheat genotypes (Triticum aestivum) for slow rusting resistance to stem rust, yield and yield related traits," Doctoral Dissertation, Alemaya University of Agriculture, (AUA), 2003.
 P. A. Arneson, "Plant disease epidemiology. The plant health instructor." Retrieved: https://www.apsnet.org/edcenter/disimpactmngmnt/topc/EpidemiologyTemporal/Pages/default.aspx. [Accessed 4 November 2017], 2001.
 S. Ali, S. Shah, and K. Maqbool, "Field-based assessment of partial resistance to yellow rust in wheat germplasm," Journal of Agriculture & Rural Development, vol. 6, pp. 99-106, 2008.Available at: https://doi.org/10.3329/jard.v6i1.1663.
 T. Abrham and B. Alemayehu, "Evaluation of bread wheat (Tritium aestivum L.) varieties for rust resistance at Wolaita Zone, Southern Ethiopia," Journal of Biology, Agriculture and Healthcare, vol. 4, pp. 17-22, 2014.
 J. Freedman and D. R. Mackenzie, Disease progress curves, their mathematical description and analysis to formulate predictors for loss equations. In. Teng PS (Ed.), Crop loss assessment and pest management. Lucknow, India: International Book Distributing Co, 1992.
 M. McNeil, R. Kota, E. Paux, D. Dunn, R. McLean, C. Feuillet, D. Li, X. Kong, E. Lagudah, and J. Zhang, "BAC-derived markers for assaying the stem rust resistance gene, Sr2, in wheat breeding programs," Molecular Breeding, vol. 22, pp. 15-24, 2008.Available at: https://doi.org/10.1007/s11032-007-9152-4.
 M. Asmmawy, W. El-Orabey, M. Nazim, and A. Shahin, "Effect of stem rust infectıon on graın yıeld and yıeld components of some wheat cultıvars in Egypt," Science Journal Plant Pathol, vol. 2, pp. 171-178, 2013.
 K. Hamam and A. Khaled, "Stability of wheat genotypes under different environments and their evaluation under sowing dates and nitrogen fertilizer levels," Australian Journal of Basic and Applied Sciences, vol. 3, pp. 206-217, 2009.
 R. Mohammadi, M. Armion, D. Sadeghzadeh, A. Amri, and M. Nachit, "Analysis of genotype-by-environment interaction for agronomic traits of durum wheat in Iran," Plant Production Science, vol. 14, pp. 15-21, 2011.Available at: https://doi.org/10.1626/pps.14.15.
 Food and Agriculture Organization Statistical Data Base (FAOSTAT), "The agriculture data basehttp." Retrieved: http://faostat3.fao.org/faostatgateway/go/to/do-wnload/Q/QC/E.Last. [Accessed January 16, 2019], 2017.
 A. Shimeles and D. Lemma, "The performance of true seed shallot lines under two methods of planting at different environments of Ethiopia," Research Journal of griculture and Environmental Management, vol. 4, pp. 174-179, 2015.
 W. Kebede, "Shallot (Allium cepa var. ascalonicum): Responses to plant nutrients and soil moisture in a sub-humid tropical climate," Doctoral Thesis, Swedish University of Agricultural Sciences, Acta Universitas Agriculturae Sueciae, Agraria 367, Alnarp, 2003.
 Central Statistical Agency of Ethiopia (CSA ), Report on areas and production of crops (private peasant holding, meher season).The Federal Democratic Republic of Ethiopia Central statistical Agency. Addis Ababa: Statistical Bulletin, 2017.
 T. Tekalign, Y. Abdissa, and L. M. Pant, "Growth, bulb yield and quality of onion (Allium cepa L.) as influenced by nitrogen and phosphorus fertilization on vertisol. II: Bulb quality and storability," African Journal of Agricultural Research, vol. 7, pp. 5980-5985, 2012.Available at: https://doi.org/10.5897/ajar10.1025.
 A. Shimeles, "The performance of true seed shallot lines under different environments of Ethiopia," Journal of Agricultural Sciences, vol. 59, pp. 129-139, 2014.Available at: https://doi.org/10.2298/jas1402129s.
 A. Dereje, D. Belew, and G. Tabor, "Influence of bulb topping and intra row spacing on yield and quality of some shallot (Allium Cepa Var. Aggregatum) varieties at Aneded woreda, Western Amhara," African Journal of Plant Science, vol. 6, pp. 90-202, 2012.Available at: https://doi.org/10.5897/ajps11.298.
 K. Yemane, D. Belew, and F. Abay, "Effect of intra-row spacing on yield and quality of some onion varieties (Allium cepa L.) at Aksum, Northern Ethiopia," African Journal of Plant Science, vol. 7, pp. 613-622, 2013.Available at: https://doi.org/10.5897/ajps2013.1053.
 D. Lemma and Z. Yayeh, "Varietal development on vegetable crops. .In: Herath, E., Lemma D. (Eds.), Horticultural Research and Development in Ethiopia," in Proceeding of the 2nd Horticultural Workshop, IAR, Addis Ababa, 1994, pp. 110-130.
 S. Ege, "North Wolo 1:100,000." “Topographic and administrative map of North Wolo Zone, Amhara Region, Ethiopia. Norway: Trondheim”, NTNU. Retrieved: http://www.ACYBGNRgWu4tyb_Q9A1Itjf9biihGQ4LHw:1570328449613&q, 2002.
 D. o. A. IPGRI, International plant genetic resources institute, Rome, Italy; European cooperatives programme for crop GeneticsNetwork (EC/GP). Taiwan: Asian Vegetables Research and Development, 2001.
 B. Sara, M. Daniel, G. Solomon, and S. Weldemariam, "Effect of intra-row spacing on growth and yield components of Adama red onion (Allium cepa L.) Cultivar Under Irrigation in Fiche, North Shoa Ethiopia," Journal of Harmonized Research in Applied Sciences, vol. 3, pp. 231-240, 2015.
 B. N. Fikadu, "Effect of spacing and nitrogen fertilizer on the yield and yield component of shallot (Allium ascalonium L.)," Journal of Agronomy, vol. 14, pp. 220-226, 2015.Available at: https://doi.org/10.3923/ja.2015.220.226.
 A. Karaye and A. Yakubu, "Influence of intra-row spacing and mulching on weed growth and bulb yield of garlic (Allium sativum L.) in Sokoto, Nigeria," African Journal of Biotechnology, vol. 5, pp. 260-264, 2006.
 W. Tegbew, "Yield and yield components of onion (Alliumcepa Var.cepa) cultivars as influenced by population density," MSc. Thesis Submitted to the School of Graduate Studies of Haramaya University, Ethiopia, 2011.
 R. Ngullie and P. Biswas, "Effect of plant and row spacing on growth and yield of onion under Mokokchung district of Nagaland," International Journal of Plant Sciences (Muzaffarnagar), vol. 12, pp. 28-35, 2017.Available at: https://doi.org/10.15740/has/ijps/12.1/28-35.
 K. Saurabh, R. B. Ram, K. Sachin, M. L. Meena, and K. Satyendra, "Effect of spacing and different cultivars on growth and yield of onion under Lucknow conditions (Allium cepa L.)," International Journal of Pure & Applied Bioscience, vol. 5, pp. 612-616, 2017.Available at: https://doi.org/10.18782/2320-7051.5205.
 A. Geremew, T. Abdisa, K. Tolesa, and A. Chali, "Effect of intra-row spacing on yield of three onion (Allium cepa l.) varieties at Adami Tulu agricultural research center (mid rift valley of Ethiopia)," Journal of Horticulture and Forestry, vol. 2, pp. 7-11, 2010.
 U. Aliyu, A. Dikko, M. Magaji, and A. Singh, "Nitrogen and intra-row spacing effects on growth and yield of onion (Allium cepa L.)," Plant Science, vol. 3, pp. 188-193, 2008.Available at: https://doi.org/10.3923/jps.2008.188.193.
 S. Abubaker, "Effect of plant density on flowering date, yield and quality attribute of bush beans (Phaseolus vulgaris L.) under center pivot irrigation system," American Journal of Agricultural and Biological Sciences, vol. 3, pp. 666-668, 2008.
 S. Tibebu, M. Tora, A. Shumbulo, and S. Urkato, "The effect of variety, nitrogen and phousphorous fertilization on growth and bulb yield of onion (Allium Cepa L.) at Wolaita, Southern Ethiopia," Journal of Biology, Agriculture and Healthcare, vol. 4, pp. 89-97, 2014.
 A. L. Broome, "Biomass and photosynthetic efficiency of Allium species grown in elevated carbon dioxide levels, with different plant densities and harvest schemes," A Dissertation in Agronomy Submitted to the Graduate Faculty of Texas Technology University, 2009.
 S. Agele, I. Maraiyesa, and I. Adeniji, "Effects of variety and row spacing on radiation interception, partitioning of dry matter and seed set efficiency in late season sunflower (Helianthus annuus L.) in a humid zone of Nigeria," African Journal of Agricultural Research, vol. 2, pp. 80-88, 2007.
 M. H. Kabir and M. A. R. Sarkar, "Seed yield of mungbean as affected by variety and plant spacing in Kharif-I season," Journal of the Bangladesh Agricultural University, vol. 6, pp. 239-244, 2008.
 A. Seck and A. Baldeh, "Studies on onion bulb yield and quality as influenced by plant density in organic and intensive cropping systems in the Gambia (West Africa)," in African Crop Science Conference Proceedings, 2009, pp. 169 -173.
 L. H. Carlson, D. Kirby, B. Kliewer, and C. Thompson, "Evaluation of cultural practices to control hollow heart in premier russet," University of California Intermountain Research and Extension Center, Research Progress, No 121, 2009.
 M. S. Jilani, A. Ghaffoor, K. Waseem, and J. I. Farooqi, "Effect of different levels of nitrogen on growth and yield of three onion varieties," International Journal of Agriculture and Biology, vol. 6, pp. 507-510, 2004.