Results 71 to 80 of about 53,746 (266)

First Report of Citrus Black Spot Caused by Phyllosticta citricarpa in Angola

Plant Disease, 2018
Citrus is an important subsistence crop in Angola, consumed mainly as fresh fruit. In April 2014, fruit symptoms reminiscent of citrus black spot (CBS) consisting of depressed circular spots of about 5 mm in diameter with a light-brown to gray center and black margins surrounded by green rind tissue were observed on a ‘Valencia’ sweet orange (Citrus ...
Bassimba, Daniel, Nzambi, N., Paixao, M.I.S., Katula, I.G., Vicent, Antonio   +4 more
openaire   +2 more sources

Assessment of agricultural contacts for market access in South Africa a smallholders' perspective [PDF]

, 2011
1. Objectives: This project intends to contribute to the on-going debate about whether and how restructured agri-food markets can provide viable market opportunities for small-scale farmers in Africa.
Anseeuw, Ward, Banda, K., Biénabe, Estelle, Derembwe, A., Freguin-Gresh, Sandrine, Nicholson, Richard   +5 more
core  

Tracing change in the public perception of plants: insights from archives and social media in China

PLANTS, PEOPLE, PLANET, EarlyView.
As urbanization accelerates, historic gardens serve as vital cultural treasures that offer spiritual and cultural support to the public. This study proposes an innovative approach that merges historical records from the Qing Dynasty with contemporary social media data to explore changes in public perceptions of these gardens.
Dong Xu, Pei‐yan Wang, Ya‐nan Li, Nan Hu, Yun‐yuan Li   +4 more
wiley   +1 more source

Classification of Citrus Canker and Black Spot Diseases using a Deep Learning based Approach

VFAST Transactions on Software Engineering, 2022
Diseases in plants is one of the main factor which causes the economic losses in the perspective of agriculture and fruits production. Manual inspection of fruits is costly and time taking which sparks the interest of researchers for coming up with solutions to reduce labor and cost. Diseases are main cause of reduced productivity which in turn results
Ghazif Adeem, Saif ur Rehman, Shakeel Ahmad   +2 more
openaire   +1 more source

The mango in French-speaking West Africa : sistemas de produccion e itinerarios técnicos [PDF]

, 2007
Introduction. Les systèmes de production du manguier en Afrique de l'Ouest sont très variés. Chacun d'eux s'est développé dans un contexte spécifique où l'itinéraire technique et la composition variétale des plantations contribuent à la diversité ...
Diallo, Thierno Mamadou, Didier, Christian, Kéita, Sidiki, Rey, Jean-Yves, Sangaré, Morodjan, Vannière, Henri   +5 more
core   +1 more source

Evaluation of electrolyzed water to control fungal trunk pathogens in grapevine nurseries

Pest Management Science, Volume 81, Issue 4, Page 1740-1751, April 2025.
Electrolyzed water treatments could have promising applications in the grapevine nursery process to prevent or reduce infections caused by fungal trunk pathogens on grapevine propagation material. Abstract BACKGROUND Grapevine producers demand solutions to control fungal trunk pathogens (FTPs) in nurseries.
Mónica Berbegal, Adolfo Blasco, Grégoire Gaume, Pedro Amorós, Antônia Fernandes, José V. Ros‐Lis, Josep Armengol   +6 more
wiley   +1 more source

Impacts of a Ban on the Sales of Florida Honey Tangerines in California Due to Citrus Black Spot [PDF]

Citrus black spot (CBS) was discovered in March of 2010 near Immokalee in Collier County. CBS may adversely impact citrus growers both through demand and supply impacts. This paper has focused on the demand side of the equation.
Brown, Mark G.
core   +1 more source

Single and dual RPA‐CRISPR/Cas assays for point‐of‐need detection of Stewart's wilt pathogen (Pantoea stewartii subsp. stewartii) of corn and Maize dwarf mosaic virus

Pest Management Science, Volume 81, Issue 4, Page 1988-1999, April 2025.
Schematic diagram of the single and dual RPA‐CRISPR/Cas12a/13a diagnostic assays for the detection of Pantoea stewartii subsp. stewartii and Maize dwarf mosaic virus. The validated assays provide a useful and sensitive molecular tool for detecting two quarantine pathogens of maize within a minimal resource framework suitable for fast‐tracking the ...
Qian Tian, Hua Zhou, Zhenxing Zhao, Yongjiang Zhang, Wenjun Zhao, Lulu Cai, Tao Guo   +6 more
wiley   +1 more source

The continuing significance of chiral agrochemicals

Pest Management Science, Volume 81, Issue 4, Page 1697-1716, April 2025.
In the time frame 2018–2023, around 43% of the 35 chiral agrochemicals introduced to the market (herbicides, fungicides, insecticides, acaricides, and nematicides) contain one or more stereogenic centers in the molecule, and almost 69% of them have been marketed as racemic mixtures of enantiomers or stereoisomers.
Peter Jeschke
wiley   +1 more source

Economic benefit of an optimized copper spray program for citrus canker and black spot control in Brazil [PDF]

Scientia Agricola
Copper-based formulations are used extensively to manage two of the leading citrus diseases that affect the São Paulo (SP) citrus belt, Brazil, namely, citrus canker and citrus black spot.
Franklin Behlau, Geraldo José Silva-Junior, Rafaele Regina Moreira, Eduardo Cassettari Monteferrante, Andreia Cristina de Oliveira Adami, Sílvia Helena Galvão de Miranda   +5 more
doaj   +1 more source