Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Jorge R. Díaz-Valderrama"'
Autor:
Malluri Goñas, Nilton B. Rojas-Briceño, Darwin Gómez Fernández, Daniel Iliquín Trigoso, Nilton Atalaya Marin, Verónica Cajas Bravo, Jorge R. Díaz-Valderrama, Jorge L. Maicelo-Quintana, Manuel Oliva-Cruz
Publikováno v:
Forests, Vol 15, Iss 3, p 500 (2024)
Currently, the economic profitability of cocoa is being affected by the increasing incidence of pests, low selling prices, high production costs, and the presence of cadmium in cocoa farms, posing a potential risk of crop abandonment. Therefore, the
Externí odkaz:
https://doaj.org/article/3f543fab58e04dd888e0e5218dcb3e3f
Publikováno v:
Agronomy, Vol 12, Iss 9, p 2052 (2022)
Frosty pod rot, caused by the fungus Moniliophthora roreri, is one of the most important diseases of cacao in Peru. Sustainable alternatives to control it include timely cultural practices such as pruning, and the application of biological control ag
Externí odkaz:
https://doaj.org/article/299985e2ba814baabad90b005dc5abf5
Autor:
Jorge R. Díaz‐Valderrama, Ricardo Zambrano, Sergio Cedeño‐Amador, Ulises Córdova‐Bermejo, Gianmarco G. Casas, Nilda García‐Zurita, Juan A. J. Sánchez‐Arévalo, Enrique Arévalo‐Gardini, Darío Dávila, Juan Ruiz, Xiomy Pinchi‐Dávila, Zarella R. Quispe‐Chacón, Julio A. Chia‐Wong, Oscar P. Hurtado‐Gonzales, Carlos A. Rodríguez‐Callañaupa, Casto Maldonado‐Fuentes, Eucebio Pérez‐Callizaya, Santos Leiva‐Espinoza, Manuel Oliva‐Cruz, Dylan M. Guevara‐Ruiz, Esperanza Torres‐Rojas, Elizabeth Johnson, Wilbert Phillips‐Mora, M. Catherine Aime
Publikováno v:
Plant Pathology. 71:1721-1734
Autor:
Elizabeth Johnson, Christophe Montagnon, Luis A. Ramírez-Camejo, Luis C. Mejía, Rachel A. Koch, Catherine Aime, Casto Maldonado-Fuentes, Solène Pruvot-Woehl, Amnat Eamvijarn, Elena Karlsen-Ayala, Jorge R. Díaz-Valderrama
Publikováno v:
Phytopathology®. 112:643-652
Hemileia vastatrix is the most important fungal pathogen of coffee and the causal agent of recurrent disease epidemics that have invaded nearly every coffee growing region in the world. The development of coffee varieties resistant to H. vastatrix re
Publikováno v:
Phytopathology®. 110:1604-1619
Cacao is a commodity crop from the tropics cultivated by about 6 million smallholder farmers. The tree, Theobroma cacao, originated in the Upper Amazon where it was domesticated ca. 5450 to 5300 B.P. From this center of origin, cacao was dispersed an
Autor:
Luis A, Ramírez-Camejo, Amnat, Eamvijarn, Jorge R, Díaz-Valderrama, Elena, Karlsen-Ayala, Rachel A, Koch, Elizabeth, Johnson, Sòlene, Pruvot-Woehl, Luis C, Mejía, Christophe, Montagnon, Casto, Maldonado-Fuentes, M Catherine, Aime
Publikováno v:
Phytopathology. 112(3)
Autor:
B. W. Smith, A.W. Njoroge, Dieudonne Baributsa, Kabita Kharel, Pragya Kandel, Gokul P. Paudel, Jorge R. Díaz-Valderrama, Ram H. Timilsina
Publikováno v:
Sustainability, Vol 13, Iss 7959, p 7959 (2021)
Sustainability
Volume 13
Issue 14
Sustainability
Volume 13
Issue 14
Farmers in Nepal lose up to one-third of stored grain to pests and diseases. This results in food insecurity and loss of income. To mitigate these losses, farmers use several approaches including pesticide applications on stored grains. We interviewe
Autor:
Nelly Ramírez-Calderón, Dieudonne Baributsa, Nancy Orihuela-Ordóñez, Jackeline Zanabria-Gálvez, Victor Hugo Casa-Coila, Jorge R. Díaz-Valderrama, A.W. Njoroge, Charles P. Woloshuk, B. W. Smith, Dennis Macedo-Valdivia
Publikováno v:
PLoS ONE
PLoS ONE, Vol 15, Iss 11, p e0240857 (2020)
PLoS ONE, Vol 15, Iss 11, p e0240857 (2020)
Little is known about the major issues leading to postharvest losses in Peru, which are estimated to be 15-27%. We surveyed 503 farmers from the lowlands and Andean regions of Arequipa to learn more about the major grains produced and issues encounte
Autor:
Louise Sperling, Dieudonne Baributsa, Jorge R. Díaz-Valderrama, Déogratias Mughanda, Jean Paul C. Nshombo, André Lubanzadio, Ibrahim Baoua
Publikováno v:
Sustainability
Volume 13
Issue 17
Department of Entomology Faculty Publications
Sustainability, Vol 13, Iss 9580, p 9580 (2021)
Volume 13
Issue 17
Department of Entomology Faculty Publications
Sustainability, Vol 13, Iss 9580, p 9580 (2021)
Postharvest management of grain and seed is a challenge among smallholder farmers. Limited information is available on how smallholder farmers in eastern Democratic Republic of Congo (DRC), who have been exposed to multiple conflicts, manage grain an
Autor:
S. J. Zanabria-Gálvez, Dieudonne Baributsa, V. Sencia-Torres, Charles P. Woloshuk, D. Macedo-Valdivia, Victor Hugo Casa-Coila, Jorge R. Díaz-Valderrama
Publikováno v:
Plant Disease. 105:1196
Alfalfa (Medicago sativa) is the most cultivated fodder crop in Peru with 172,000 ha cultivated (MINAM 2019), and Arequipa is the top producing region with 40% of the national production in 2015 (Santamaria et al. 2016). In January-April 2019 (av. 20