Results 81 to 90 of about 52,282 (183)

Biological Control of the Cassava Mealybug, Phenacoccus manihoti (Homoptera: Pseudococcidae), in Zambia

open access: yesBiological Control, 1994
Abstract Surveys were carried out in Zambia twice yearly from 1986 to 1990, to assess the impact of a biological control campaign against the cassava mealybug (CM), Phenacoccus manihoti Mat.-Ferr., throughout the infested area. From 1984 onward, the exotic parasitoid Epidinocarsis lopezi (De Santis) (Hym., Encyrtidae) and some exotic coccinellid ...
Chakupurakal, J.   +9 more
openaire   +2 more sources

Unleashing nature's defenders: Farmer-managed natural enemies field reservoirs (NEFRs) enhance management of the invasive papaya mealybug (Paracoccus marginatus) in coastal Kenya

open access: yesBiological Control
The papaya mealybug (PMB), Paracoccus marginatus, infests a wide range of plant species, including economically important crops, like papaya, citrus, cassava, and avocado, leading to significant economic losses.
Stephen T.O. Othim   +3 more
doaj   +1 more source

Farmers’ preferential choice decisions to alternative cassava value chain strands in Morogoro rural district, Tanzania [PDF]

open access: yes
The study was conducted to determine farmers’ preferential choice decision of alternative cassava value chain strands and as well as factors behind such decisions in Morogoro rural District, Tanzania. Factor analysis was first used to reduce and identify
Mdoe, N. Y. S.   +2 more
core  

Ultrastructure of sensory receptors on the labium of the cassava mealybug, Phenacoccus manihoti Matile Ferrero

open access: yesEntomologia Experimentalis et Applicata, 1995
AbstractThe ultrastructure of the sensory receptors located on the labium of the cassava mealybug Phenacoccus manihoti Matile‐Ferrero (Homoptera, Pseudococcidae) was studied with scanning and transmission electron microscopes. Trichoid hairs of probable mechanoreceptive function are distributed over the labium.
/Le Rü, Bruno   +4 more
openaire   +2 more sources

Sensitivity of welfare effects estimated by equilibrium displacement model: A biological productivity growth for semisubsistence crops in Sub-Sahara African market with high transaction costs [PDF]

open access: yes
equilibrium displacement model, pivotal shift, Cassava, semisubsistence, market margins, double buffering, Development strategies,
Takeshima, Hiroyuki
core  

Technical Efficiency Analysis of Nigerian Cassava Farmers: A Guide for Food Security Policy [PDF]

open access: yes
This study analyzed relationship between techn ical efficiency and socio-economic variables of cassava farmers in Nigeria. Data were collected from randomly sampled 360 cassava farmers in Nigeria using a structured questionnaire.
Ater, P.I.   +2 more
core  

Consumer preferences for table cassava characteristics in Pernambuco, Brazil [PDF]

open access: yes
Cassava is a major source of carbohydrate for populations in the tropics; however, there is little information about the preferences of consumers toward the quality characteristics of this crop.
Johnson, Nancy L., Gonzalez, Carolina
core  

Community Structure and Spatial Distribution of Mealybugs on Cassava Plants in Bali, Indonesia

open access: yesJurnal Proteksi Tanaman
Mealybugs (Hemiptera: Pseudococcidae) are important pests that threaten cassava in Bali; however, detailed information on their community structure and spatial distribution remains limited. This study aimed to analyze the community structure and spatial
Made Mika Mega Astuthi   +2 more
doaj   +2 more sources

Interference by ants in biological control of the cassava mealybug Phenacoccus manihoti (Hemiptera: Pseudococcidae) in Ghana

open access: yes, 2018
In surveys of cassava fields in the coastal savanna and rain forest zones of Ghana, eight species of ants, mostly in the genera Camponotus, Crematogaster and Pheidole (Hymenoptera: Formicidae), were found attending cassava mealybug, Phenacoccus manihoti ...
Cudjoe, A.   +2 more
core   +1 more source

Empirical Analysis of Determinants of Productivity among Small holder Cassava Farmers in Abia State, Nigeria [PDF]

open access: yes
The study was carried out in 2008 to investigate the determinants of productivity among small holder cassava farmers. The log linear model derived from the Cobb-Douglas functional form was used to analyze the data which was collected through a multi ...
Anyaegbunam, H.N, Okoye, B.C, Madu, T.U
core  

Home - About - Disclaimer - Privacy