Results 71 to 80 of about 1,400 (143)
, 2022 International audienceCassava (Manihot esculenta Crantz) is a food crop with tuberous roots that plays an important role in feeding populations. The need to control cassava pests led to testing the effect of the biopesticide NECO 50 EC on Phenacoccus ...
N’guessan, Yéboué N’guessan Lucie +1 more
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, 2017 Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae), merupakan hama pendatang baru yang menyebabkan kerusakan berat pada pertanaman singkong di Indonesia.
Sani, Juliana
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Entomologia Experimentalis et Applicata, 1994 AbstractIdentification and assay of cyanogenic and phenolic compounds in phloem sap of cassava (Manihot esculenta Crantz, Euphorbiaceae) and in honeydew of the cassava mealybug Phenacoccus manihoti Matt. Ferr. (Homoptera, Pseudococcidae) were realised.Cyanogenic glucosides and three flavonoid glycosides (rutin, kaempferol glycoside‐1 and kaempferol ...
Calatayud, Paul-André +5 more
openaire +3 more sources
Canadian Journal of Zoology, 1994 Hemocytes of Phenacoccus manihoti and Planococcus citri were studied to determine general ultrastructure, phenoloxidase activity, and the presence or absence of a glycocalyx. Prohemocytes, oenocytoids, and granular hemocytes of types 1 (GH1), 2 (GH2), and 3 (GH3) were observed in P. manihoti. In P.
Russo, J. +3 more
openaire +3 more sources
, 2014 Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae), one of the most serious pests of cassava worldwide, has recently reached Asia, raising significant concern over its potential spread throughout the region.
Kondo, Takumasa +2 more
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International Journal of Tropical Insect Science, 1993 Antixenotic and antibiotic components of resistance to the cassava mealybug, Phenacoccus manihoti Matt. Ferr, were evaluated in different varieties of cassava (Manihot esculenta Crantz), in Poinsettia (Euphorbia pulcherrima Wild), Talinum (Talinum triangulare Jack) and Fauxcaoutchouc (hybrid of M. esculenta and M. glaziovii Mull. Arg.). Resistance, was
/Tertuliano, Moukaram +2 more
openaire +2 more sources
Laju Enkapsulasi Parasitoid Anagyrus Lopezi (De Santis) (Hymenoptera: Encyrtidae) oleh Kutu Putih Singkong Phenacoccus Manihoti Matile-Ferrero (Hemiptera: Pseudococcidae) [PDF]
, 2016 Parasitoid Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae) didatangkan ke Indonesia pada awal tahun 2014 untuk mengendalikan kutu putih singkong, Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae). Penelitian bertujuan mempelajari laju
Rauf, A. (Aunu) +2 more
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Tropical Pest Management, 1990 Abstract The cassava mealybug, Phenacoccus manihoti Mat.‐Ferr., spread in Zaire from foci at Kinshasa (1973), Mulandi (1978), and Goma (1982). It now occurs over an area of 560 000 km2, mainly in regions with a dry season of at least 90 days. Within these regions the pest occurs principally in areas having low green‐leaf biomass towards the end of the ...
Hennessey, R.D. +2 more
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, 2018 Life table studies were conducted to assess the effect of constant temperature on the rate of population growth of the cassava mealybug, Phenacoccus manihoti Matile‐Ferrero. Four temperatures, between 20 and 30.5 °C, were tested.
Herren, H.R., Lema, K.M.
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Entomologia Experimentalis et Applicata, 1985 AbstractLife table studies were conducted to assess the effect of constant temperature on the rate of population growth of the cassava mealybug, Phenacoccus manihoti Matile‐Ferrero. Four temperatures, between 20 and 30.5 °C, were tested. An inverse relationship was observed between temperature and most demographic parameters.The intrinsic rate of ...
Lema, K.M., Herren, H.R.
openaire +1 more source