Results 11 to 20 of about 837 (137)

Molecular characterisation of ampeloviruses associated with mealybug wilt of pineapple disease in Ghana [PDF]

open access: yes, 2020
Abstract Background: Mealybug wilt of pineapple (MWP) is the most destructive viral disease of pineapple worldwide. The disease is caused by pineapple mealybug wilt-associated virus (PMWaV), a member of the family Closteroviridae and the genus Ampelovirus, and transmitted by mealybugs.
Elvis Asare-Bediako   +3 more
openaire   +1 more source

Setting of import tolerances for sulfoxaflor in various crops

open access: yesEFSA Journal, Volume 21, Issue 6, June 2023., 2023
Abstract In accordance with Article 6 of Regulation (EC) No 396/2005, the applicant Dow AgroSciences Ltd submitted a request to the competent national authority in Greece to set an import tolerance for the active substance sulfoxaflor in various crops.
EFSA (European Food Safety Authority)   +21 more
wiley   +1 more source

Potential applications of the CRISPR/Cas technology for genetic improvement of yam (Dioscorea spp.)

open access: yesFood and Energy Security, Volume 11, Issue 1, February 2022., 2022
Yam is an economically important crop grown in the tropical and subtropical world, producing tuberous root as a staple food, and an income source for millions of farmers. Yam production is constrained by disease and pest infestations and a range of abiotic factors.
Easter D. Syombua   +6 more
wiley   +1 more source

Integrated Pest Management for Sustainable Intensification of Agriculture in Asia and Africa. [PDF]

open access: yesInsects, 2015
Integrated Pest Management (IPM) is a leading complement and alternative to synthetic pesticides and a form of sustainable intensification with particular importance for tropical smallholders.
Pretty J, Bharucha ZP.
europepmc   +3 more sources

Detection and diversity of viruses infecting African yam (Dioscorea rotundata) in a collection and F1 progenies in Côte d'Ivoire shed light to plant‐to‐plant viral transmission

open access: yesPlant Pathology, Volume 70, Issue 6, Page 1486-1495, August 2021., 2021
A survey of leaf symptoms and viral molecular indexation on African yam germplasm and two hybrid populations unveiled a high prevalence of yam viruses in Côte d'Ivoire and provided evidence for their plant‐to‐plant transmission. ​ Abstract Yam (Dioscorea spp.) is a major staple food whose production is hampered by viral diseases.
Yacouba Bakayoko   +9 more
wiley   +1 more source

Effects of weed management on the prevalence of pink pineapple mealybugs in Ghana

open access: yesJournal of Science and Technology (Ghana), 2015
An on-farm experiment was conducted in August 2010 to evaluate the efficacy of various weed management methods used in pineapple cultivation in Ghana in limiting the prevalence of the pineapple mealybugs and their tending ants. The experiment was a 5X5 Latin Square design with 5 replications.
Tachie-Menson, JW   +2 more
openaire   +3 more sources

Biologi dan Neraca Hayati Kutu Putih Pepaya Paracoccus Marginatus Williams & Granara De Willink (Hemiptera: Pseudococcidae) pada Tiga Jenis Tumbuhan Inang [PDF]

open access: yes, 2016
Biology and life table of papaya mealybug Paracoccus marginatus Williams & Granara de Willink (Hemiptera: Pseudococcidae) on three host plant species.
Anwar, R. (Ruli)   +3 more
core   +2 more sources

Interference by ants in biological control of the cassava mealybug Phenacoccus manihoti (Hemiptera: Pseudococcidae) in Ghana

open access: yesBulletin of Entomological Research, 1993
AbstractIn surveys of cassava fields in the coastal savanna and rain forest zones of Ghana, eight species of ants, mostly in the genera Camponotus, Crematogaster and Pheidole (Hymenoptera: Formicidae), were found attending cassava mealybug, Phenacoccus manihoti Matile-Ferrero.
Cudjoe, A.   +2 more
openaire   +2 more sources

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

open access: yes, 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   +5 more
core   +1 more source

Incidence and diversity of mixed viruses lower in yam tubers and tuber sprouts compared with field leaf samples: Implications for virusfree planting material control strategy [PDF]

open access: yes, 2016
Millions of people around the world, particularly in West Africa, depend on yam for food and income, however global yam production has been fluctuating since 2007.
Asiedu, Robert   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy