A5088653183- Plant Virus Research Studies
- Insect-Plant Interactions and Control
- Agricultural Innovations and Practices
- Plant Disease Resistance and Genetics
- Peanut Plant Research Studies
- Agronomic Practices and Intercropping Systems
- Climate change impacts on agriculture
- Rice Cultivation and Yield Improvement
- Plant Pathogenic Bacteria Studies
- Plant Disease Management Techniques
- Phytoplasmas and Hemiptera pathogens
- Plant and Fungal Interactions Research
- Insect and Pesticide Research
- Entomopathogenic Microorganisms in Pest Control
- Nematode management and characterization studies
- Insect Pest Control Strategies
- Banana Cultivation and Research
- Plant Pathogens and Fungal Diseases
- Agricultural risk and resilience
- Viral Infections and Vectors
- Plant and animal studies
- Global Trade and Competitiveness
- Biotechnology and Related Fields
- Agricultural Research and Practices
- Insect symbiosis and bacterial influences
University of Greenwich
2005-2023
Natural Resources Institute
2002-2023
United Nations Industrial Development Organization
2009
Centre de Coopération Internationale en Recherche Agronomique pour le Développement
2008
Significance Integrated pest management (IPM) has been the dominant crop protection paradigm promoted globally since 1960s. However, its adoption by developing country farmers is surprisingly low. This article reports 51 potential reasons why, identified and prioritized hundreds of IPM professionals practitioners around world. Stakeholders from countries different obstacles than those high-income countries. Surprisingly, a few in appear to be overlooked literature. We suggest that more...
A mathematical model was developed of the dynamics a plant virus disease within spatially‐referenced lattice fields host crop. The can be applied to crops in continuous, contiguous cultivation such as tropical irrigated rice. Disease progress each field crop assumed logistic and determined by incidence itself well neighbouring fields, depending on gradient spread. frequency distribution planting dates (represented proportion total number planted successive months) follow normal variance date...
1. A simulation model of the dynamics rice tungro virus disease (RTVD) was developed to assess potential management options in different cropping systems. The simulated position and infectivity status green leafhopper vectors, corresponding RTVD infection pattern a square grid 324 hills, during first 60 days crop growth after transplanting. 2. Based on published information, assumptions were made about rates transmission, vector population probability dispersal. Results from programme field...
Aflatoxin contamination remains a major challenge for smallholder groundnut producers in Southern Africa. This is compounded by the stringent aflatoxin regulatory regimes lucrative international markets that continue to deny groundnuts produced this region access markets. Participatory on-farm experiments were carried 2016 and 2017 Chinkhombe (Katete) Kalichero (Chipata), on-station trials at Mount Makulu Central Research Station (Chilanga) evaluate efficacy of planting methods: double rows,...
The study investigated the factors that affect adoption of improved rice varieties in southern part Borno state, Nigeria. research involved 120 respondents and 12 farmers groups from three districts were randomly selected. Questionnaire was used to collect data which interpreted using frequency table, percentage, chi-square cluster analysis. Comparison significance results between individual locations done look for differences. Focus group explore some issues greater detail. result analysis...
Addressing all forms of malnutrition requires multi-sectoral actions. To accelerate progress, post-graduate education – future researchers, policy-makers and practitioners that promotes interdisciplinary knowledge skills is imperative. We report findings from a mixed-methods needs assessment designed to assess enabling constraining factors integrated agriculture, nutrition, health education. An online questionnaire was disseminated among experts in relevant disciplines, followed by focus...
A dynamic cropping system was represented by a square lattice of fields in which crops were successively harvested and replanted. spectrum crop ages existed at any one time the virus disease persisted spread inoculum between crops. Such situation is typical many areas tropical irrigated rice cultivation tungro (RTVD) occurs. Using mathematical model epidemiology RTVD system, deployment genotype expressing some resistance to investigated. Previous studies on effect mixtures progress within...
A survey of 174 tomato farmers in five districts Karnataka State, South India, was conducted between March and July 1998 with the objectives assessing farmers' knowledge perceptions leaf curl virus disease (ToLCVD) examining their current control practices. The findings showed that were familiar ToLCVD regarded it as a serious constraint upon production, particularly hot season. However, only 2% aware (ToLCV) transmitted by whitefly vector, Bemisia tabaci . similarly small number knew caused...
Abstract The aim of this study was to develop and optimize silverleaf bioassay, esterase analysis PCR-based techniques distinguish quickly reliably biotype B the whitefly, Bemisia tabaci (Gennadius), from Indian indigenous biotypes. Zucchini squash readily symptoms upon feeding by biotype, but they are not available in markets. A local pumpkin variety ‘Big’ was, therefore, used assay, which developed similar those on zucchini can be detect biotype. Analysis non-specific esterases biotypes...
Delia platura Meigen is an important pest in crops around the world. Its host range includes almost 50 species, and it can develop soil organic matter. In Ecuador, D. a serious problem for crop, Lupinus mutabilis Sweet (Chocho), also attacks broccoli (Brassica oleracea L.). After harvested, crop residue mixed with or collected stored close to Chocho fields. The objectives of this study were determine adaptive responses larvae reared on different hosts whether females are preferentially...
The term crowdsourcing was first used in 2006 but the approach has been employed various fields over a much longer period of time. central idea is to collect information from large number people order achieve common goal such as increase knowledge, solve problem or enhance efficiency process. In realm research, closely connected with citizen science which members public are engaged scientific project. C17th England, naturalist John Ray arranged for volunteers specimens him and there datasets...
The flight potential of Nephotettix virescens (Distant), the most important vector rice tungro virus disease, was assessed using tethered techniques. Most individuals tested were not willing to fly in response stimulation, or flew for very short times. A small proportion leafhoppers long periods and one female almost 7 h, indicating distance dispersal insects inoculum. Few before four days age thereafter profiles similar aged between 12 days. Mature females more when kept as adults mixed...
Abstract The flight activity of each the three major leafhopper vectors rice tungro viruses, Nephotettix virescens (Distant), N. nigropictus (Stål) and Recilia dorsalis (Motschulsky) was closely associated with cropping periods influenced by crop growth stage season. Leafhopper changing levels illumination at dusk dawn and, for R. only, significantly affected moon phase. dominant species caught in suction traps 0.75 m 1.5 an upwardly-directed light trap 4.0 m, whereas most abundant on sticky...
Abstract 1 In two experiments carried out in Guadeloupe, barriers were used to reduce the entry of virus vector Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) tomato plots. The erected around crop insect‐proof cloth fences (<50 mesh), 1.5 m height, first experiment with a deltamethrin‐treated, insect‐attracting strip facing inwards, and, second, barrier but no insecticide‐treated strip. 2 A mathematical model epidemic development was fitted symptom data from treated and control...
Planned communities of practice can be an effective means to spread and create knowledge. This article explores the degree which initiated by funders, presents lessons learned outcomes achieved from long-term commitment this concept McKnight Foundation's Collaborative Crop Research Program.