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2 edition of Insect pests of economic importance on cereal crops in the Senegal River Basin, West Africa found in the catalog.

Insect pests of economic importance on cereal crops in the Senegal River Basin, West Africa

Adama Sy

Insect pests of economic importance on cereal crops in the Senegal River Basin, West Africa

by Adama Sy

  • 375 Want to read
  • 18 Currently reading

Published .
Written in English

    Subjects:
  • Insects -- Senegal River Valley.

  • Edition Notes

    Statementby Adama Sy.
    The Physical Object
    Pagination260 leaves, bound ;
    Number of Pages260
    ID Numbers
    Open LibraryOL14231511M

    A survey of scale insects (Sternorryncha: Coccoidea) occurring on table grapes in South Africa Vaughn M. Walton1,a, Kerstin Krüger2,b, Davina L. Saccaggi3,c* and Ian M. Millar3,d 1 Ag and Life Sciences, Building Oregon State University, Corvallis, OR , U.S.A 2 Department of Zoology & Entomology, University of Pretoria, Pretoria, South Africa. Insect pests as constraints to cereal production in sub‐ S aharan A frica Lepidopterous stemborers constitute one of the major constraints to efficient production of cereal crops in most parts of SSA, with a complex of species attacking these crops (Kfir et al., ).Of the known stemborer species causing economic yield losses, Busseola fusca (Fuller) (Noctuidae) and Chilo partellus Swinhoe Cited by:

      Dear All, I am pleased to announce the launching of a new book titled “Insects of cultivated Plants and Natural Pastures in Southern Africa” by Gerhard Prinsloo and Vivienne Uys. The pages thick book deals with insect pests of 75 crops including field crops, vegetables crops, pastures, horticultural and ornamental plants. Many of these. The researchers sampled 65 rice stores around the country and carried out a survey among farmers to determine their views on the economic importance of insect damage. For a storage period of four to six months, they found financial losses were up to 21, Francs of the African Financial Community (around US$42) per tonne of stored rice in the.

    pacts on fisheries in West Africa: implications for economic, food and nutri-tional security. African Journal of Marine Science 34(1) Climate change impacts on pests and diseases in agricultural systems Crops Crop pests are already a major factor influencing farm productivity. Globally about one-sixth of . Fishmeal and crops such as soya are key protein sources for animal feeds, but they are not ecologically and economically sustainable. In West Africa, poultry producers suffer from the increasing cost of feed (representing about 70% of the total production costs), in particular protein sources.


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Insect pests of economic importance on cereal crops in the Senegal River Basin, West Africa by Adama Sy Download PDF EPUB FB2

INSECT PESTS OF ECONOMIC IMPORTANCE ON CEREAL CROPS IN THE SENEGAL RIVER BASIN, WEST AFRICA INTRODUCTION The Senegal River Basin is composed of areas distributed in the four West African states of Guinea, Mali, Mauritania and Senegal.

Mali, Mauritania and Senegal contain the largest portion of the river basin, including the Senegal River Valley. Insect pests of economic importance on cereal crops in the Senegal River Basin, West Africa Public Deposited.

Cereal crops cultivated in Mali, Mauritania and Senegal consist primarily of sorghum, millet, rice and maize. They form the gramineous crops that, are programmed for the agricultural improvement of the Senegal River Basin. Author: Adama Sy. Insect pests of economic importance on cereal crops in the Senegal River Basin, West Africa by Adama Sy, edition, in EnglishPages:   This invasive insect pest, first reported in Africa in earlyis in more than 20 African countries including South Sudan and South Africa.

It has destroyed many staple crops like maize. Crop Pests and Diseases. A manual on the most important pests and diseases of the major food crops grown by smallholder farmers in Africa. These include: cassava, banana, sorghum, millet, beans. antibodies. Less than percentage of the total number of the known insect species are considered pests, and only a few of these can be a serious menace to people.

Insect pests inflict damage to humans, farm animals and crops. Insect pests have been defined by Williams () as any insect in the wrong place. Depending on the structure of theFile Size: KB.

According to recent research, five invasive insect pests including T. absoluta cost the African continent US$ billion every year. Around the world, invasive pests are causing US$ billion in economic losses to agriculture each year despite the fact that many countries are doing their best to prevent insect invasions now and into the future.

the insect pests attacking these crops in Africa, the lepidopteran stem borers are by far the most injurious (). Because of their economic importance, stem borers. the insect pests attacking these crops in Africa, the lepidopteran stem borers are by far the most injurious ().

Because of their economic importance, stem borers have been the subjects of many studies, which resulted in an enormous amount of literature.

This review summarizes the status of knowledge about cereal stem borers in Africa. Bullen, F. () Locusts and grasshoppers as pests of crops and pasture: A preliminary economic approach. J Appl. Ecol. 3, – Du Plessis, C. () Economic importance of the locust problem in the Union of South Africa and South West by: 6.

Rice is the seed of the grass species Oryza sativa (Asian rice) or Oryza glaberrima (African rice). As a cereal grain, it is the most widely consumed staple food for a large part of the world's human population, especially in is the agricultural commodity with the third-highest worldwide production (rice, million tonnes in ), after sugarcane ( billion tonnes) and maize (1.

Key Words: West Africa, pesticides, pesticide regulation. pesticide misuse. traditional farming systems, integrated I)est management. Agric. Entomol. 7(3): (July ) Traditional West African agriculture is characterized by small farms, mixed crops and hetel'ogeneous crop germpiasill.

Insect pests damaging avocado fruit increased in economic importance during the last four years. Until late in the s, avocado orchards were relatively free from serious insect pests, as a result of good control by natural enemies (De Villiers & van den Berg, ).

With the increased cultivation of avocados over the last decade, there has been. The principal insect pests of rice in west Africa and their control [J BrenieÌ re] on *FREE* shipping on qualifying : J BrenieÌ re.

INTRODUCTION. Rice is an important cereal crop in the world, providing more calories per hectare than any other cereals food grain 1, has been reported that rice is one of the most important sources of employment and income generation for rural people Nigeria, rice is an important staple food crop grown in almost all the agro-ecologies of the country 4.

West Africa, the most frequently reported maize pests are S. calamistis, E. saccharina (Bosque-Pérez and Mareck ; Gounou et al. ; Schulthess et al. ), and the noctuid S. botanephaga (Tams and Bowden) (Endrody-Younga ). fusca is generally of low importance in West Africa but the predominant species across all eco-zones in.

An assemblage of approximately 20 moth species belonging to the families Crambidae, Pyralidae and Noctuidae constitute the most important cereal pests in many parts of Africa. The caterpillars of these moths bore into the stems of maize, sorghum, millet and rice, often killing the plant, and are commonly known as stem or stalk borers.

The cereals attacked are grown by smallholders to feed. Cereals (maize, sorghum, millet, rice) are extremely important crops grown in Africa for human consumption. Of the various insect pests attacking cereal crops in Africa, lepidopteran stem borers are by far the most injurious.

All 21 economically important stem borers of cultivated grasses in Africa are indigenous except Chilo partellus, which Cited by: Cereals (maize, sorghum, millet, rice) are extremely important crops grown in Africa for human consumption.

Of the various insect pests attacking cereal crops in Africa, lepidopteran stem borers are by far the most injurious. All 21 economically important stem borers of cultivated grasses in Africa are indigenous except Chilo partellus, which invaded the continent from India, and Chilo Cited by: production of cereal crops, the relative importance of maize as a food crop, the trends in maize production quantity, area harvested, and yield over the last 20 years, and gaps between actual and potential yields for the six countries.

Importance of Maize in National Agricultural Production The decisions of farmers about what to. This is the French translation of the book 'African cereal stem borers' () by A. Polaszek. It consists of 28 chapters, by various authors, arranged in 4 sections.

The 1st section is on economic importance (host plants; maize, West and central Africa; maize and sorghum, East Africa; maize and grain sorghum, southern Africa; sorghum, West Africa; rice, West Africa; rearing maize and sorghum Author: A.

Polaszek, G. Delvare, D. Blary.The International Centre of Insect Physiology and Ecology (icipe), undertook a biological control (BC) programme for control of stemborers from toto reduce cereal yield losses due to stemborer attack in East and Southern programme released four biological control agents—the larval parasitoids Cotesia flavipes and Cotesia sesamiae, the egg parasitoid Telenomus isis and Cited by:   Lepidopteran stemborers are considered as the most important insect pests of cereal crops in Sub-Saharan Africa.

However, limited information exists on stemborers and their parasitoids in the rain forest of the DR Congo. In order to enhance the understanding of the pest ecology, sampling in both cultivated and wild habitats has been recommended as a bottom line to any action aiming at the Cited by: 5.