Ararsa Leta

ORCID: 0009-0008-7001-3719
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About
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Research Areas
  • Entomopathogenic Microorganisms in Pest Control
  • Insect Resistance and Genetics
  • Insect and Arachnid Ecology and Behavior
  • Insect Pest Control Strategies
  • Plant-Microbe Interactions and Immunity
  • Insect symbiosis and bacterial influences
  • Genetic and Environmental Crop Studies
  • Nematode management and characterization studies
  • Fungal Biology and Applications
  • Plant Pathogenic Bacteria Studies
  • Agronomic Practices and Intercropping Systems
  • Plant pathogens and resistance mechanisms
  • Legume Nitrogen Fixing Symbiosis
  • Agricultural pest management studies
  • Wheat and Barley Genetics and Pathology
  • Genetics and Plant Breeding
  • Plant Pathogens and Fungal Diseases
  • Mycorrhizal Fungi and Plant Interactions

Ambo University
2012-2024

<ns3:p>Background Entomopathogenic fungi exists naturally in plants as an asymptote and have the potential to reduce population of insect pests through indirect interactions. This study was conducted detect characterize endophytic <ns3:italic>Beauveria bassiana</ns3:italic> <ns3:italic>Metarhizium robertsii</ns3:italic> from rhizosphere soil tomato their virulence effect on <ns3:italic>Galleria melonella.</ns3:italic> Methods From 40 fields, three seven isolates were isolated using galleria...

10.12688/f1000research.134020.4 preprint EN cc-by F1000Research 2024-02-05

Low soil fertility status and reduced biological nitrogen fixation are some of the major constraints in limiting chickpea yield. Thus, an experiment was conducted with objective assessing effect blended NPS fertilizer rates on yield components economic advantages varieties. The done using randomized complete block design five (0, 50, 75, 100 125 kg ha-1) three chick pea varieties (Arerty, Shasho Teketay) replications. result showed that main variety had significant days to 50% flowering,...

10.22161/ijhaf.8.1.3 article EN International journal of Horticulture Agriculture and Food science 2024-01-01

The present study was carried out to evaluate the indigenous Arbuscular Mycorrhizal Fungi (AMF) and Trichoderma species isolated from rhizosphere soils of onion cultivated fields at Ambo Toke Kutaye districts West Showa, Ethiopia, their effect on plant growth, biocontrol against white rot caused by Sclerotium cepivorum Berk.Five with twenty isolates were screened in vitro for inhibition S. cepivorum.Out these, four spp viz.T. harzianum (ATh1), T. viride (ATv1), hamatum (NThm3), koningii...

10.4172/2157-7471.1000159 article EN Journal of Plant Pathology & Microbiology 2012-01-01

Fungal diseases are among the biotic factors limiting production of faba bean in Ethiopia. The objective this study was to isolate and identify seedborne mycoflora associated with seed samples, determine their effects on germination disease transmission, evaluate antimicrobial activities seven plant extracts four Trichoderma spp. against pathogen isolated from seed. Fifty samples were collected different farmers' saved seeds five major bean-producing varieties Ambo district tested by agar...

10.1016/j.heliyon.2023.e17291 article EN cc-by Heliyon 2023-06-01

<ns3:p><ns3:bold>Background:</ns3:bold> Entomopathogenic fungi exists naturally in plants as an asymptote and has the potential to reduce population of insect pests through indirect interactions. This study was conducted detect characterize endophytic <ns3:italic>Beauveria bassiana</ns3:italic> <ns3:italic>Metarhizium robertsii</ns3:italic><ns3:italic> </ns3:italic>from rhizosphere soil tomato their virulence effect on <ns3:italic>Galleria melonella</ns3:italic>.</ns3:p><ns3:p>...

10.12688/f1000research.134020.2 preprint EN cc-by F1000Research 2023-08-14

<ns3:p>Background The tomato, Solanum lycopersicum L., is one of the most important horticultural crops that can be consumed fresh or after being processed worldwide. tomato leaf miner (Tuta absoluta) devastating pest to plants due its mine-feeding nature in mesophyll tissue plant. Fungal entomopathogens exist naturally as an asymptote. This study aimed detect endophytic colonization Beauveria bassiana and Metarhizium robertsii within via artificial inoculation their virulence effects on...

10.12688/f1000research.148658.1 preprint EN cc-by F1000Research 2024-07-16

Leaf rust caused by Puccinia triticina is a serious threat to wheat production in Ethiopia. A study was carried out detect physiological races of the pathogen from East Shewa zone and identify leaf resistance genes Ethiopian bread genotypes cultivars at Debrezeit Research Center, hot spot for rust. In field experiment, 91 along with nine susceptible checks (Alidoro, Dandaa, Digelu, Enkoy, Hidase, Kingberd, Kubsa, Ogolcho, Wane) were evaluated against Debere Zeit during 2021/22 main season....

10.63002/gres.28.516 article EN cc-by Global research in environment and sustainability. 2024-08-12

<ns3:p>Background Entomopathogenic fungi exists naturally in plants as an asymptote and have the potential to reduce population of insect pests through indirect interactions. This study was conducted detect characterize endophytic <ns3:italic>Beauveria bassiana</ns3:italic> <ns3:italic>Metarhizium robertsii</ns3:italic> from rhizosphere soil tomato their virulence effect on <ns3:italic>Galleria melonella.</ns3:italic> Methods From 40 fields, three seven isolates were isolated using galleria...

10.12688/f1000research.134020.5 preprint EN cc-by F1000Research 2024-09-11

<ns3:p><ns3:bold>Background:</ns3:bold> Entomopathogenic fungi exists naturally in plants as an asymptote and has the potential to reduce population of insect pests through indirect interactions. This study was conducted detect characterize endophytic <ns3:italic>Beauveria bassiana</ns3:italic> <ns3:italic>Metarhizium robertsii</ns3:italic><ns3:italic> </ns3:italic>from rhizosphere soil tomato their virulence effect on <ns3:italic>Galleria melonella</ns3:italic>.</ns3:p><ns3:p>...

10.12688/f1000research.134020.1 preprint EN cc-by F1000Research 2023-07-13

Common bacterial blight of bean caused by the seed-borne bacteria Xanthomonas axonopodis pv. phaseoli (Xap) (Smith) Vauterin and X. var. fuscans (Burkholder) Starr Burkholder is one most constraint common production all over world. The pathogen survives as long seed remains viable. Use pathogen-free seeds has been main method used to control disease in areas, detection this essential for effective control. This study was carried out detect characterize Xap lots collected from different...

10.4172/2157-7471.1000406 article EN Journal of Plant Pathology & Microbiology 2017-01-01

<ns3:p><ns3:bold>Background:</ns3:bold> Entomopathogenic fungi exists naturally in plants as an asymptote and has the potential to reduce population of insect pests through indirect interactions. This study was conducted detect characterize endophytic <ns3:italic>Beauveria bassiana</ns3:italic> <ns3:italic>Metarhizium robertsii</ns3:italic> from rhizosphere soil tomato their virulence effect on <ns3:italic>Galleria melonella.</ns3:italic> <ns3:bold>Methods:</ns3:bold> From 40 fields, three...

10.12688/f1000research.134020.3 preprint EN cc-by F1000Research 2023-10-30
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