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Articles by Nanadoum Maoura
Total Records ( 2 ) for Nanadoum Maoura
  Mbailao Mbaiguinam , Nanadoum Maoura , Automne Bianpambe , Gabra Bono and Emmanuel Alladoumbaye
  This research reported the effects of 6 common plants extracts including neem and some others which have been never tested on the longevity of adults, the number of eggs laid and adult emergence of Callosobruchus maculatus. Six seed oils extracted by methylene chloride were tested: Azadirachta indica, Ricinus communis, Thevetia nerifolia, Balanites eagyptiaca, Moringa oleifera and Kaya senegalensis. All these oils reduce significantly survival of adults, oviposition and total emergence of adults. The most efficient is that of Thevetia nerifolia. At higher concentrations the treatment affects slightly the germination of seeds which remains over 50%. Seed oil of Thevetia nerifolia can be used as a good alternative to pesticides against Callosobruchus maculatus in addition with that of Azadirachta indica which effects are well established by many former works.
  Mbailao Mbaiguinam , Nanadoum Maoura , Mbaihidi Milaiti and Bernard Delobel
  Everywhere in the world and especially in subsaharian Africa, human food is mainly based upon amylaceous crops, mainly Cereals. Unfortunately, the harvest depends of the rainy season length and stored Cereals are attacked and rapidly destroyed by numerous insects. The weevils of the Sitophilus genus are the most dangerous pests of Cereals. Legumes seeds are toxic for these weevils. Traditionally, in Africa and India, mixed legume seeds to cereals permit to prevent them from attacks by Sitophilus weevils. Classical extraction and purification techniques allowed establishing that the toxic compound is a small protein of low molecular weight of 5200 Daltons. The characterization of this protein opens the way towards a new method of protection of the stored cereals.
 
 
 
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