Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Roberto Valdés Herrera"'
Autor:
José Efraín González Ramírez, Mayra Olga Bataller Venta, Eliet Veliz Lorenzo, Roberto Valdés Herrera, Orelvis Portal Villafaña, Milagros Basail Pérez, Lidia Asela Fernández García, Marlén Cárdenas Morales, Rosa Elena González Vázquez, Vaniert Ventura Chávez, Irán Fernández Torres
Publikováno v:
Anales de la Academia de Ciencias de Cuba, Vol 12, Iss 3 (2022)
Introducción. Importantes pérdidas agrícolas se han asociado a la mala calidad fitosanitaria de las semillas empleadas y al deterioro de los productos durante la poscosecha. La escasez del agua para el riego ha limitado los programas de desarrol
Externí odkaz:
https://doaj.org/article/7b260a261a5f4c3b83513e3489e065e8
Autor:
Roberto Valdés Herrera, Yhosvanni Pérez Rodrígue, Marlén Cardenas Morales, Sahily Lozada Reyes, Mayrelis Lavastida Pérez
Publikováno v:
Centro Agrícola, Vol 47, Iss NE, Pp 54-58 (2020)
The experiments were conducted at the Center for Agricultural Research (CIAP) to demonstrate the allelopathic effect exerted by extracts of eight species belonging to the Myrtaceae family on Sitophilus oryzae L. The increase of insects in the mixture
Externí odkaz:
https://doaj.org/article/fe65966157254b80aa42a829b80c442e
Publikováno v:
Centro Agrícola, Vol 47, Iss 1, Pp 38-44 (2020)
The need to eliminate chemical products and the search for ecological alternatives for the control of pests in stored grains based on vegetable powders, motivated the determination of the effect of milled powders of Piper auritum Kunth on Sitophilus
Externí odkaz:
https://doaj.org/article/4dfca00bcb644fe3a5bbc10c486c944e
Autor:
Yhosvanni Pérez Rodríguez, Roberto Valdés Herrera, José O. Guerra de León, Michael Madruga Suarez, Leónides Castellanos González
Publikováno v:
Centro Agrícola, Vol 47, Iss 2, Pp 75-83 (2020)
There are several products that have been used for the control of Sitophilus oryzae L. However, the high resistance of the insect to various chemical products has motivated the search for new alternatives for its control, which led to evaluating the
Externí odkaz:
https://doaj.org/article/cd4a1424ff6e474eb03335545aed7dae
Autor:
Rosabel Rodríguez Rojas, Vladimir Nuñez Caraballo, Sinaí Barcia Sardiñas, Roberto Valdés Herrera
Publikováno v:
Centro Agrícola, Vol 47, Iss 2, Pp 84-88 (2020)
Obtained a methodology it permits carry out a diagnosis and effective characterization of the agricultural urban production of the blessed cities white of egg and Cienfuegos, by keeping in mind by having the location of the organoponics, cercaniases
Externí odkaz:
https://doaj.org/article/50278d5bdc164bb9b4817452cb8a523d
Autor:
Marlen Cárdenas Morales, Mayrelis Lavastida Pérez, Rosabel Rodríguez Rojas, Edilberto Pozo Velazquez, Roberto Valdés Herrera
Publikováno v:
Centro Agrícola, Vol 46, Iss 2, Pp 38-45 (2019)
In the laboratory of Insect Pathology of the Center for Agricultural Research (CIAP), between the months of February to June 2018, this study was conducted with the objective of determining the population increase of Zabrotes subfasciatus (Boh.) (Col
Externí odkaz:
https://doaj.org/article/c3786e87a8d8441092fb452a85a4516b
Autor:
MSc. Yhosvanni Pérez Rodríguez, Dr. C. Roberto Valdés Herrera, Dr. C. Leónides Castellanos González, MSc. Roquelina Jiménez Carbonell
Publikováno v:
Agroecosistemas, Vol 6, Iss 3, Pp 129-135 (2018)
Sitophilus oryzae L. Es una de las especies de mayor relevancia económica presentándose como la plaga más importante de granos almacenados a nivel mundial. Ha cobrado relevancia por su capacidad destructiva y es considerada la más destructivas en
Externí odkaz:
https://doaj.org/article/b6cb478adffa4debbf2153fc1f5d83bf
Autor:
Marlen Cárdenas Morales, Roberto Valdés Herrera, MayrelisLavastida Pérez, Edilberto PozoVelázquez
Publikováno v:
Centro Agrícola, Vol 45, Iss 4, Pp 27-33 (2018)
In the Laboratory of Pathology of insects of the Central University "Marta Abreu" of Las Villas, the attraction of Z. subfasciatus was evaluated by seeds of 23 cultivars of common bean (Phaseolus vulgaris L.) to perform the oviposition. In the experi
Externí odkaz:
https://doaj.org/article/39f8fc7925b2412fa72fc3487db25dba
Autor:
Isilda Braz Impene Combo, Roberto Valdés Herrera, Edilberto Pozo Velázquez, Marlen Cárdenas Morales
Publikováno v:
Centro Agrícola, Vol 44, Iss 4, Pp 43-48 (2017)
The present work was carried out at the Laboratory of Insect Pathology of the Center for Agricultural Research (CIAP), located at the Universidad Central "Marta Abreu" de Las Villas, with the aim to evaluate the effect of the ozone (O3) treatment on
Externí odkaz:
https://doaj.org/article/95fc37ffd07e45b28f99dc4fa2a09a5e
Publikováno v:
Centro Agrícola, Vol 42, Iss 1, Pp 11-16 (2017)
This research was done in the Insect Pathology Laboratory of the Agricultural Research Center (CIAP) at Marta Abreu Central University of Las Villas. The goal was to determine the effect of the ozone (O3) treatment on the vigor of S. bicolor seeds (v
Externí odkaz:
https://doaj.org/article/b545aa5caf6f411a948b82c62684053b