Gashawbeza Ayalew
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View article: Seasonal variations of onion thrips, <i>Thrips tabaci</i> (L.) on onion in the Central Rift Valley of Ethiopia
Seasonal variations of onion thrips, <i>Thrips tabaci</i> (L.) on onion in the Central Rift Valley of Ethiopia Open
A field experiment was carried out at Melkassa Agricultural Research Center from 2015 to 2017 to determine the seasonal fluctuation of onion thrips on onion in three consecutive growing seasons. Onion was planted on 10 x 10 m measuring plo…
View article: Role of Intercropping on Predatory Thrips (Aeolothrips Spp.) for the Management of Onion Thrips (Thrips tabaci Lind) in Central Zone of Tigray, Ethiopia
Role of Intercropping on Predatory Thrips (Aeolothrips Spp.) for the Management of Onion Thrips (Thrips tabaci Lind) in Central Zone of Tigray, Ethiopia Open
Onion thrips, Thrips tabaci (Thysanoptera: Thripidae), is a major insect pest constraining onion production in Central Zone of Tigray Region, Ethiopia. Onion growers in this central zone rely on synthetic insecticides for the management of…
View article: Insecticide resistance management against thrips (Thysanoptera: Thripidae) on onion in the central Rift Valley of Ethiopia
Insecticide resistance management against thrips (Thysanoptera: Thripidae) on onion in the central Rift Valley of Ethiopia Open
Two field experiments were conducted in the Central Rift Valley of Ethiopia in the hot and cool dry seasons of 2016/2017 with the objective to develop an insecticide resistance management program on thrips infesting onion. The first experi…
View article: Farmers insecticide use practices and species composition and abundance of thrips species (Thysanoptera: Thripidae) on onion in the Rift Valley of Ethiopia
Farmers insecticide use practices and species composition and abundance of thrips species (Thysanoptera: Thripidae) on onion in the Rift Valley of Ethiopia Open
A survey was conducted in 2016 in the major onion producing areas of the Ethiopian Central Rift Valley. A structured questionnaire was used to assess farmers’ management practices with a focus on the use of insecticides. Plant samples were…
View article: Fall Armyworm, Spodoptera frugiperda Infestations in East Africa: Assessment of Damage and Parasitism
Fall Armyworm, Spodoptera frugiperda Infestations in East Africa: Assessment of Damage and Parasitism Open
The fall armyworm (FAW), Spodoptera frugiperda, threatens maize production in Africa. A survey was conducted to determine the distribution of FAW and its natural enemies and damage severity in Ethiopia, Kenya and Tanzania in 2017 and 2018.…
View article: Management of Onion Thrips [Thrips tabaci Lind. (Thysanoptera: Thripidae)] on Onion Using Eco-Friendly Cultural Practices and Varieties of Onion in Central Zone of Tigray, Ethiopia
Management of Onion Thrips [Thrips tabaci Lind. (Thysanoptera: Thripidae)] on Onion Using Eco-Friendly Cultural Practices and Varieties of Onion in Central Zone of Tigray, Ethiopia Open
Onion thrips, Thrips tabaci (Thysanoptera: Thripidae) is a major insect pest constraining onion production in the Central Zone of Tigray. Therefore, field experiment was conducted at Axum Agricultural Research from November 2015 to April 2…
View article: The Efficacy of Selected Synthetic Insecticides and Botanicals against Fall Armyworm, Spodoptera frugiperda, in Maize
The Efficacy of Selected Synthetic Insecticides and Botanicals against Fall Armyworm, Spodoptera frugiperda, in Maize Open
Fall armyworm (FAW) was reported for the first time in Africa in 2016. FAW is widely distributed in Ethiopia, causing significant damage to maize. Nine synthetic insecticides belonging to different chemical groups and 11 pesticidal plants …
View article: Appearance and Chemical Control of White Mango Scale (<i>Aulacaspis tubercularis</i>) in Central Rift Valley
Appearance and Chemical Control of White Mango Scale (<i>Aulacaspis tubercularis</i>) in Central Rift Valley Open
Occurrence of White Mango Scale (WMS), Diaspididae), in Ethiopia was known in 2010.It had remained confined to western Ethiopia where local mango trees of old age found until recently.Leaf samples infested by the pest were brought to Melka…
View article: Efficacy of Botanical Insecticides against the Pea Aphid, <i>Acyrthosiphon pisum</i> (Harris) and Effect on Some of Its Natural Enemies on Field Pea in South Central Ethiopia
Efficacy of Botanical Insecticides against the Pea Aphid, <i>Acyrthosiphon pisum</i> (Harris) and Effect on Some of Its Natural Enemies on Field Pea in South Central Ethiopia Open
A field experiment was conducted at Kulumsa center of the Ethiopian Institute of Agricultural Research (EIAR) during September 2011 and January 2011 to assess the efficacy of botanical insecticides against the pea aphid, Acyrthosiphon pisu…
View article: Efficacy of BotaniGard (&lt;i&gt;Beauveria bassiana&lt;/i&gt;) Against Whiteflies on Poinsettia and Dahlia
Efficacy of BotaniGard (<i>Beauveria bassiana</i>) Against Whiteflies on Poinsettia and Dahlia Open
Efficacy of the entomopathogen fungus, Beauveria bassiana (BotaniGard) was compared with conventional insecticides against whiteflies on Poinsettia (Euphorbia pulcherrima) and Dahlia (Dahlia coccinea) in Maranque plant located at Doni in E…