Results 21 to 30 of about 2,220,860 (234)

Virus and virus-like diseases of citrus in West-Africa: an overview [PDF]

Journal of Horticulture and Postharvest Research, 2020
Purpose: In sub-Sahara Africa, citrus is mainly cultivated in the coastal countries. It plays important nutritional and socio-economical roles by providing vitamins and minerals to consumers and cash to farmers.
Fabrice Afloukou, Laurence Dossou, Valerien Zinsou   +2 more
doaj   +1 more source

Temperature-dependent effects on some biological aspects of two ectoparasitoids of Phyllocnistis citrella (Lepidoptera: Gracillariidae)

Egyptian Journal of Biological Pest Control, 2023
Background Temperature alters host suitability for the development of parasitoids through direct (thermal effect) and indirect (parental effect) pathways. The effects of three temperature regimes on the development and survival of two parasitoid species,
Muhammad Irfan Ullah, Muhammad Arshad, Sajjad Ali, Hafiz Muhammad Aatif, Syed Muhammad Ali Zahid, Nimra Altaf   +5 more
doaj   +1 more source

Plant Disease Diagnosis for Smart Phone Applications with Extensible Set of Diseases

Applied Sciences, 2019
A plant disease diagnosis method that can be implemented with the resources of a mobile phone application, that does not have to be connected to a remote server, is presented and evaluated on citrus diseases.
Nikos Petrellis
doaj   +1 more source

Survey for ‘Candidatus Liberibacter’ and ‘Candidatus Phytoplasma’ in Citrus in Chile

Pathogens, 2021
The considerable economic losses in citrus associated with ‘Candidatus Liberibacter’ and ‘Candidatus Phytoplasma’ presence have alerted all producing regions of the world. In Chile, none of these bacteria have been reported in citrus species.
Nicolas Quiroga, Camila Gamboa, Gabriela Medina, Nicoletta Contaldo, Fernando Torres, Assunta Bertaccini, Alan Zamorano, Nicola Fiore   +7 more
doaj   +1 more source

In-Field Citrus Disease Classification via Convolutional Neural Network from Smartphone Images

Agriculture, 2022
A high-efficiency, nondestructive, rapid, and automatic crop disease classification method is essential for the modernization of agriculture. To more accurately extract and fit citrus disease image features, we designed a new 13-layer convolutional ...
Changcai Yang, Zixuan Teng, Caixia Dong, Yaohai Lin, Riqing Chen, Jian Wang   +5 more
doaj   +1 more source

Plant Physiological Assessments on Promising New HLB-Tolerant Citrus Rootstocks after Inoculation with the Phytopathogenic Ascomycete Rosellinia necatrix

Horticulturae, 2023
Citriculture is considered the most important fruit industry and involves the cultivation of several fruit varieties, which are susceptible to many plant pathogens.
Juan M. Arjona-López, Frederick G. Gmitter, Estefanía Romero-Rodríguez, Jude W. Grosser, José Luís Cantero-Sánchez, Carlos J. López-Herrera, Francisco J. Arenas-Arenas   +6 more
doaj   +1 more source

Global economics and marketing of citrus products

, 2020
An overview of the world market for citrus products from an economic, production, and marketing perspective is provided. To conduct an economic analysis of any fruit, it is important to distinguish between fresh and processed utilization.
Zhifeng Gao, Marisa L. Zansler, Zansler, Marisa L., Gao, Zhifeng, Fernandes, Waldir [UNESP], Thomas H. Spreen, Spreen, Thomas H., Waldir Fernandes   +7 more
core   +1 more source

Evolution of Citrus Disease Management Programs and Their Economic Implications: The Case of Florida’s Citrus Industry

EDIS, 2012
Managing new exotic endemic diseases is very costly, and it is imperative that state and federal governments focus on preventing the introduction of other diseases such as citrus variegated cholorosis and citrus leprosis virus.
Ronald P. Muraro
doaj   +5 more sources

Citrus pests in a global world

, 2020
Citrus pest management has evolved from a primarily biological approach to dependence on chemical control, followed by more integrated systems. More recently, the spread of huanglongbing (HLB) or citrus greening disease in Asia and both Americas has ...
Santin Gravena, Yijing Cen, Philip A. Stansly, Gravena, Santin [UNESP], Tim G. Grout, Cen, Yijing, Fengnian Wu, Stansly, Philip A., Urbaneja, Alberto, Grout, Tim G., Alberto Urbaneja, Wu, Fengnian   +11 more
core   +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