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  • Organic phosphorus and plant… The fraction of organic phosphorus that is available for plants is very small and not enough for the plant to grow properly. Compared to nitrogen…
  • Blosyrus inaequalis beetle in… Blosyrus inaequalis is mostly found in Siri-Lanka and India, but lately also in the northern parts of South Africa. So far the economical damage cause…
  • Sweet potato weevil (Cylas… Sweet potato weevil((Credit of featured image by Author Graham Wise from Brisbane, Australia https://commons.wikimedia.org/wiki/File:Cylas_formicarius_(14576849194).jpg)) can be devastating in Africa. losses between 73((N.E.J.M.Smit,“The effect of the…
  • Propagating, planting and harvesting… Planting material Sweet potatoes are propagated vegetatively through vines (or runners) which are cut up in cuttings, each 300-400mm long. Most other crops are propagated…
  • Butternut fertilizer application tables… Butternut((Featured image by: Butternut Citrouille Courge - Photo gratuite sur Pixabay)) (Cucurbita moschata) fertilizer requirements can be calculated if you know your soil type and…
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Fungal diseases of green beans

green bean disease

Fungal diseases of green beans Damping off Damping off is caused by various fungi. The most common fungi that show symptoms of damping off are Rhizoctonia root rot (Rhizoctonia solani), Pythium Root Rot (Pythium spp.), Phytophthora root rot (Phytophthora spp.) and Black root rot (Thielaviopsis basicola).  The first symptoms are a weak stand. It is a soil borne fungi…