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A simple mean field model is proposed that captures the two scales of dynamic processes involved in the spread of the coffee rust disease. At a local level the state variable is the fraction of coffee plants on an average farm that are…

Populations and Evolution · Quantitative Biology 2014-08-01 John Vandermeer , Pejman Rohani

Coffee leaf rust, a foliar disease caused by the fungus Hemileia vastatrix, poses a major threat to coffee production, especially in Central America. Climate change further aggravates this issue, as it shortens the latency period between…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Angelly Cabrera , Kleanthis Avramidis , Shrikanth Narayanan

Coffee leaf rust (CLR) severely affects coffee production worldwide, leading to reduced yields and economic losses. To reduce the cost of control, small-scale farmers often only apply control measures once a noticeable level of infection is…

Populations and Evolution · Quantitative Biology 2025-04-10 Clotilde Djuikem , Julien Arino

Botanical pandemics cause enormous economic damage and food shortages around the globe. However, since botanical pandemics are here to stay in the short-medium term, domesticated field owners can strategically seed their fields to optimize…

Information Retrieval · Computer Science 2024-09-24 Teddy Lazebnik

Pest and disease control plays a key role in agriculture since the damage caused by these agents are responsible for a huge economic loss every year. Based on this assumption, we create an algorithm capable of detecting rust (Hemileia…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Alvaro Leandro Cavalcante Carneiro , Lucas de Brito Silva , Marisa Silveira Almeida Renaud Faulin

In this paper we present a mode that incorporates two levels of dynamic structuring of the coffee rust disease (caused by the rust fungus, Hemileia vastatrix). First, two distinct spatial scales of transmission dynamics are interrogated…

Populations and Evolution · Quantitative Biology 2019-10-31 John Vandermeer , Pej Rohani , Ivette Perfecto

Generally, the identification and classification of plant diseases and/or pests are performed by an expert . One of the problems facing coffee farmers in Brazil is crop infestation, particularly by leaf rust Hemileia vastatrix and leaf…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Giuliano L. Manso , Helder Knidel , Renato A. Krohling , Jose A. Ventura

Summary 1. Infectious disease outbreaks in plants threaten ecosystems, agricultural crops and food trade. Currently, several fungal diseases are affecting forests worldwide, posing a major risk to tree species, habitats and consequently…

Populations and Evolution · Quantitative Biology 2018-12-18 S. Orozco-Fuentes , G. Griffiths , M. J. Holmes , R. Ettelaie , J. Smith , A. W. Baggaley , N. G. Parker

Citrus diseases have been major issues for citrus growing worldwide for many years they can lead significantly reduce fruit quality. the most harmful citrus diseases are citrus canker, citrus greening, citrus black spot, citrus leaf miner…

Machine Learning · Computer Science 2023-06-06 Muhammad Shoaib Farooq , Abdullah Mehboob

Pests and diseases pose a key challenge to passion fruit farmers across Uganda and East Africa in general. They lead to loss of investment as yields reduce and losses increases. As the majority of the farmers, including passion fruit…

Computer Vision and Pattern Recognition · Computer Science 2020-07-30 Andrew Katumba , Moses Bomera , Cosmas Mwikirize , Gorret Namulondo , Mary Gorret Ajero , Idd Ramathani , Olivia Nakayima , Grace Nakabonge , Dorothy Okello , Jonathan Serugunda

Rice is the number one staple food in the country, as this serves as the primary livelihood for thousands of Filipino households. However, as the tradition continues, farmers are not familiar with the different types of rice leaf diseases…

Computer Vision and Pattern Recognition · Computer Science 2023-01-16 Harold Costales , Arpee Callejo-Arruejo , Noel Rafanan

Infectious diseases cause more than 13 million deaths a year, worldwide. Globalization, urbanization, climate change, and ecological pressures have significantly increased the risk of a global pandemic. The ongoing COVID-19 pandemic-the…

Computers and Society · Computer Science 2021-04-23 Elizabeth Bradley , Madhav Marathe , Melanie Moses , William D Gropp , Daniel Lopresti

Agriculture plays an important role in the food and economy of Bangladesh. The rapid growth of population over the years also has increased the demand for food production. One of the major reasons behind low crop production is numerous…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Hasin Rehana , Muhammad Ibrahim , Md. Haider Ali

Image segmentation is the most challenging issue in computer vision applications. And most difficulties for crops management in agriculture are the lack of appropriate methods for detecting the leaf damage for pests treatment. In this paper…

Computer Vision and Pattern Recognition · Computer Science 2014-02-25 Eric Hitimana , Oubong Gwun

Wheat yellow rust, caused by the fungus Puccinia striiformis, is a critical disease affecting wheat crops across Britain, leading to significant yield losses and economic consequences. Given the rapid environmental changes and the evolving…

Machine Learning · Computer Science 2025-01-28 Zhipeng Yuan , Yu Zhang , Gaoshan Bi , Po Yang

Reconciling agricultural production with climate-change mitigation is a formidable sustainability problem. Retaining trees in agricultural systems is one proposed solution, but the magnitude of the current and future-potential benefit that…

The Canadian province of Alberta spent over 500 million dollars on controlling mountain pine beetle populations, but did it work? Using a statistical modeling framework coupled with long-term field data, we examined how direct control…

Populations and Evolution · Quantitative Biology 2025-01-28 Evan C. Johnson , Mark A. Lewis

Farmers use pesticides to reduce yield losses. The efficacies of pesticide treatments are often evaluated by analyzing the average treatment effects and risks. The stochastic efficiency with respect to a function is often employed in such…

General Economics · Economics 2022-05-12 Ariel Soto-Caro , Feng Wu , Zhengfei Guan , Natalia Peres

Agriculture is the mainstay of human society because it is an essential need for every organism. Paddy cultivation is very significant so far as humans are concerned, largely in the Asian continent, and it is one of the staple foods.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Petchiammal A , Briskline Kiruba S , D. Murugan

The coronavirus disease (COVID-19) has caused one of the most serious social and economic losses to countries around the world since the Spanish influenza pandemic of 1918 (during World War I). It has resulted in enormous economic as well…

General Economics · Economics 2020-06-23 Asahi Noguchi
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