Results 101 to 110 of about 1,400 (143)

First record of cassava mealybug, Phenacoccus manihoti (Hemiptera: Pseudococcidae), in Malaysia

Zootaxa, 2015
Cassava (Manihot esculenta Crantz, Euphorbiaceae) is an important staple food crop in tropical countries. The leaves and tubers are used for human consumption and livestock feed. The tubers are processed into starch (Winotai et al. 2010) and biofuel (Howeler 2007).
Dewi, Sartiami, Gillian W, Watson, Mohamad Roff, M N, Mohd, Hanifah Y, Idris, A B   +4 more
openaire   +2 more sources

SamplingPhenacoccus manihoti incassava fields in Nigeria

Tropical Pest Management, 1989
Abstract Between 1982 and 1985, Nigerian cassava fields were periodically sampled through three crop growing seasons to analyze the within and between‐plant distribution of CM as affected by weather (dry and rainy season) using the mean crowding statistics and Taylor's power law.
F. Schulthess, J. U. Baumgärtner, H. R. Herren   +2 more
openaire   +1 more source

Peroxidase and polyphenol oxidase activity in cassava genotypes infested with Phenacoccus manihoti

Entomologia Experimentalis et Applicata, 2021
AbstractThe cassava mealybug, Phenacoccus manihoti (Matile‐Ferrero) (Hemiptera: Pseudococcidae), has become an important pest with major potential to damage cassava, Manihot esculenta Crantz (Euphorbiaceae), around the world. To find new sources of plant resistance, the development of P.
Diandro Ricardo Barilli, Ana Raquel Rhenheimer, Ana Paula Gonçalves da Silva Wengrat, Diego Gazola, Vanda Pietrowski, Luis Francisco Angeli Alves   +5 more
openaire   +1 more source

Evaluation of Insecticides for Control of Cassava Mealybug (Phenacoccus manihoti)

Tropical Pest Management, 1981
Abstract A field trial on a moderately infested four-month old cassava plot was initiated at Ugwuoba field station of National Root Crops Research Institute, to determine the efficacy of five insecticides for control of cassava mealybug (CMB), Phenacoccus manihoti Mat-Ferr.
U. G. Atu, J. E. Okeke
openaire   +1 more source

Phenacoccus manihoti . [Distribution map].

Distribution Maps of Plant Pests, 2005
Abstract A new distribution map is provided for Phenacoccus manihoti Matile-Ferrero. Homoptera: Pseudococcidae (cassava mealybug). Attacks cassava ( Manihot esculenta ) and other species of Manihot .
openaire   +1 more source

Outbreak of Phenacoccus manihoti MAT-FERR. In Kamphaeng Phet Province

2013
Thai Agricultural Research Journal, 31, 3, 218 ...
Walaiporn Sasiprapa, Thalearngsak Weeravoot, Amporn Winotai, Nicha Pothong   +3 more
openaire   +1 more source

Interactions between the Endophagous Parasitoid Epidinocarsis Lopezi and Its Host, Phenacoccus Manihoti

International Journal of Tropical Insect Science, 1987
Epidinocarsis lopezi proved to be an efficient biological control agent of the cassava mealybug (CM), Phenacoccus manihoti, despite apparently low parasitization rates. Laboratory experiments indicated that its killing power at higher temperatures was two to three times higher than the per cent mummy formation suggested.
P. Neuenschwander, D. Sullivan
openaire   +1 more source

Field Biology of the Cassava Mealybug, Phenacoccus Manihoti, and Its Natural Enemies in Zaire

International Journal of Tropical Insect Science, 1987
Three severe outbreaks of cassava mealybug (CM), Phenacoccus manihoti, have occurred in Zaire. Two were associated with droughts. The third occurred in the driest part of the country and ended only when nearly all cassava plants had been killed. Native coccinellid predators sometimes greatly reduced CM populations, but only after the cassava crop had ...
R. D. Hennessey, T. Muaka
openaire   +1 more source

Tolerance of different host‐plants to the cassava mealybugPhenacoccus manihotiMatile‐Ferrero (Homoptera: Pseudococcidae)

International Journal of Pest Management, 1993
B le Rü
exaly   +2 more sources

Population growth patterns forPhenacoccus manihotiMat‐Ferr on cassava in Sierra Leone

Tropical Pest Management, 1992
Abstract The population growth pattern of the cassava mealybug Phenacoccus manihoti Mat‐Ferr was studied over two population cycles of the pest in Freetown, Sierra Leone. The numbers and rate of dispersal of the insect were higher and the damage it produced more severe in the dry season than in the rainy season.
B. D. James, M. Fofanah
openaire   +1 more source