Plant Pathology, Disease Control of Fruit and Vegetables

Phytophthora Megakarya: A Review on its Status as a Pathogen on Cacao in West Africa

  Phytophthora megakarya Brasier & Griffin, is one of the Oomycete pathogens reported on Theobroma cacao, and it is the most virulent of the Phytophthora species that causes black pod disease. Phytophthora megakarya was first reported as the causal agent...
AY Akrofi
African Crop Science Journal

Reaction of Local Accessions of Cassava to Diseases in Southern Africa

  Local accessions of cassava (Manihot esculenta Crantz) are extensively grown in Southern Ghana, where they play an important role in food security of the country. Information on the reaction of these local accessions to major diseases is scanty. This study was conducted to document the...
E Moses
A Oppong
JNI Lamptey
African Crop Science Journal

La Antracnosis de las Cucurbitáceas

  Contenido:  Patógenos Cultivos y plantas huéspedes Zonas del huésped afectadas Identificación Enfermedades similares Condiciones ambientales favorables para la enfermedad Transmisión de la enfermedad Manejos Generales de la Enfermedad Control de la...
Michael Adams
Lina Quesada-Ocampo
NC State Extension Publication

Re-Evaluation of Yam Mosaic Virus (YMV) Detection Methods

  Accurate and timely detection is vital for mitigation of tuber yield losses resulting from yam mosaic virus (YMV) infection on yam, a major food security crop in West Africa. The observation, from our previous studies, that the triple antibody sandwich enzyme-linked immunosorbent...
A.O. Eni
J.D.A. Hughes
R. Asiedu
M.E.C. Rey
Academic Journal of Plant Sciences

Effects of Arbuscular Mycorrhizal Fungi and Fertilization Levels on Industrial Tomato Growth and Production

  The effect of arbuscular mycorrhizal fungi (AMF) on industrial tomato (Lycopersicon esculentum Mill. cv. Isma F1) cultivated in North-Eastern Algeria was evaluated under greenhouse and field conditions in a vertisol soil intended for the cultivation of industrial tomato. In the greenhouse, a...
Hana Ziane
Amel Meddad-Hamza
Arifa Beddiar
Silvio Gianinazzi
International Journal of Agriculture and Biology

Association of Tomato Yellow Leaf Curl Virus and Chili Leaf Curl Virus with Leaf Curl Disease of Radish and the Synergistic Interaction on Nicotiana benthamiana

  Leaf yellowing and rolling with slight crinkling was observed in radish plants in Oman, indicative of a begomovirus infection. Viral sequences from radish were 99% identical to sequences of Tomato yellow leaf curl virus (TYLCV) and Chilli leaf curl virus (ChiLCV), from Oman. No...
Adel A. Al-Shihi
Um e Ammara
Imran Amin
Michael Deadman
Abdullah M. Al-Sadi
International Journal of Agriculture and Biology

Expression of Hydroxymethylglutaryl-CoA Reductase 2 (HMG2) Gene in Chilli (Capsicum annuum L.) CM334 Infected by Nacobbus aberrans and Phytophthora capsici

  Plants of chilli Capsicum annuum L. CM334 show a high level of resistance to Phytophthora capsici, but are susceptible to Nacobbus aberrans; such resistance has been associated with capsidiol accumulation, a sesquiterpene phytoalexin. In the present study the expression of...
Edgar Villar-Luna
Reyna I. Rojas-Martínez
Benito Reyes-Trejo
Mario Rocha-Sosa
Emma Zavaleta-Mejía
Agrociencia

Evaluación de la Sobrevivencia y Eficiencia en Invernadero y en Ensayos de Campo de Cepas Aisladas Localmente de Rhizobia

  Se aislaron dos cepos de Rhizobium de plantociones comerciales de frijol. Estas cepas, más dos cepas de Rhizobium conocidas, se impregnaron en compost elaborado de residuos del procesamiento de la caña, y se olmacenaron a diferentes temperatures para observer su...
Christina Sierra
Edwin de León
Julio Rosales
Rolando Cifuentes
Ofelia Paniagua
Carlos Arias
Roberto de León
Carlos Rolz
Revista de la Universidad Del Valle de Guatemala

Técnicas Serológicas y Moleculares Utilizadas para la Identificación y Caracterización de Beet Curly Top Virus

  El Beet curly top virus pertenece al género curtovirus, dentro de la familia Geminiviridae; su genoma está constituido por una cadena sencilla de ADN cubierto por una cápside icosaédrica geminada. La organización de su genoma revela que el...
Loreto Robles-Hernández
Luis Carlos Chavira-Sáenz
Maria Teresa Sáenz-Gutierrez
Ana Cecilia González-Franco
Technociencia Chihuahua

Identificación Molecular y Evaluación Antagónica in vitro de Cepas Nativas de Trichoderma spp. Sobre Hongos Fitopatógenos de Raíz en Frijol (Phaseolus vulgaris L.) cv. Montcalm

  Trichoderma spp. es un hongo de la división Ascomycota con gran potencial para controlar enfermedades en los cultivos con importancia económica. Este hongo antagonista inhibe el crecimiento de microorganismos fitopatógenos, entre los que destacan los causantes de...
Bertha M. Sánchez-García
Elsa Espinosa-Huerta
Emiliano Villordo-Pineda
Raúl Rodríguez-Guerra
María A. Mora-Avilés
Agrociencia