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Banana Xanthomonas wilt is a systemic disease of banana plants. We investigated the risk of spreading Xanthomonas campestris pv. musacearum (Xcm) through asymptomatic mature bunches. Samples of banana fingers and rachis from markets within Kampala, Uganda and at border points of Uganda with DR Co...


Nakato, V.Beed, Fen D.Ramathani, I.Rwomushana, I.Opio, F.[Risk of banana Xanthomonas wilt spread through trade]Risk of banana Xanthomonas wilt spread through trade

The optimum sample size for assessment of nematode densities and related damage in East African highland banana was estimated at Kikoni parish in Ntungamo district, Uganda. Kikoni parish is at an elevation ranging from 1360 to 1480 meters above sea level and the East African highland banana (Musa...


Speijer, P.R.Ssango, F.Kajumba, C.Gold, C.S.[Optimum sample size for Pratylenchus goodeyi (Cobb) Sher and Allen density and damage assessment in highland banana (Musa AAA) in Uganda]Optimum sample size for Pratylenchus goodeyi (Cobb) Sher and Allen density and damage assessment in highland banana (Musa AAA) in Uganda

Repeated sampling of rural maize stores in Benin was conducted to evaluate published parameters of a sequential sampling plan for a negative binomial distribution to determine pest status for Prostephanus truncatus (Horn) and Sitophilus zeamais Motschulsky. A computer program was used to rerandom...


Meikle, W.G.Holst, N.Degbey, P.Oussou, R.[An evaluation of sequential sampling plans for the larger grain borer (Coleoptera: Bostrichidae) and the maize weevil (Coleoptera: Curculionidae) and of visual grain assessment in West Africa]An evaluation of sequential sampling plans for the larger grain borer (Coleoptera: Bostrichidae) and the maize weevil (Coleoptera: Curculionidae) and of visual grain assessment in West Africa

In a 3-year field study, Premier rabbiteye blueberry plants were sampled at three hierarchical levels (leaf, shoot, and bush) to assess severity of Septoria leaf spot (caused by Septoria al- bopunctata) and incidence of defoliation. A positive linear relationship (R2= 0.977, P< 0.0001, n = 2127) ...


Ojiambo, P.S.Scherm, H.[Optimum sample size for determining disease severity and defoliation associated with Septoria leaf spot of blueberry]Optimum sample size for determining disease severity and defoliation associated with Septoria leaf spot of blueberry

Contiene aspectos metodologicos sobre la seleccion de las muestras para el calculo de los indices de precios de los productos en el mercado internacional. Presenta un conjunto de cuadros referentes a las importaciones de Ecuador como ejemplo ilustrativo del ajuste de dichas muestras.


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