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Pest and Disease Management

Crops are vulnerable to a wide range of pests and diseases; it may not be possible to eliminate all unwanted pests and diseases but there are approaches that can reduce their impact, some of which are highlighted here.

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A Hot Bath Cleans All: Boiling Water Treatment of Banana and Plantain

In the humid tropics of Africa, America, and Asia, banana and plantain are important food crops for millions of people. This brief shows a simple technique for treating bananas and plantains.

Stefan Hauser;Danny Coyne, Published on 2010

African Armyworm

The African armyworm is widespread throughout Africa, Asia and Western Australia. It is not a serious pest except in outbreak years. Outbreaks often follow late rains in the hot season.

Garden Organic (HDRA), Published on 2000

Agro-pesticide use in Sri Lanka: major policy issues

This study examines the present situation of pesticide use and the changes and trends over the past ten years with the objective of highlighting the issues that need to be addressed by policies.

Mohottige, S.N.;Sivayoganathan, C.;Wanigasundera, W.A.D.P, Published on 2007


Aphid problems are most common in temperate regions. However, aphids are also present in warmer subtropical areas and sometimes in wet tropical areas.

Garden Organic (HDRA), Published on 2000

Cereal Cyst Nematodes: An unnoticed threat to global cereal production

The cereal cyst nematodes (CCNs) are the most important group of plant parasitic nematodes attacking temperate cereals, including wheat and barley

A. Dababat;J. Nicol;E. Duveiller, Published by CGIAR SP-IPM on 2011


Cutworms are the caterpillars of noctuid moths. There are two different species; Agrotis segetum (turnip moth) and Agrotis ypsilon (greasy cutworm). The greatest attacks from cutworms are often...

Garden Organic (HDRA), Published by Garden Organic (HDRA) on 2002

Diamondback Moth

The diamondback moth caterpillar is a world-wide pest that can cause severe damage especially in dry, hot weather. Its high breeding rate causes problems of resistance to insecticides so...

Garden Organic (HDRA)

Diseases and Pests that affect onion cultivation and their management

This technical brief explains about the diseases and pests that affect onion farming and their management and prevention.

Practical Action

Early Blight

The first signs of early blight are small black spots on leaves. These spots gradually increase in size producing a more or less circular spot made of ridged circular bands or an angular shape.

Garden Organic (HDRA), Published on 2000

Endophytes: novel weapons in the IPM arsenal

Endophytes are microorganisms that live in plant tissue, some can protect plants from pests and diseases.

Alexandra zum Felde, Published by CGIAR SP-IPM on 2010

Getting Ready for the Floods - Nepal

Floods are a seasonal hazard in Nepal. Practical Action, an international NGO, is working with vulnerable communities in Chitwan district to build early warning systems, protective shelters and...

Published on 2008

Green Manures / Cover Crops

Green manures, often Known as cover crops, are plants which are grown to improve the structure and nutrient content of the soil. They are a cheap alternative to artificial fertilisers and can be...

Garden Organic (HDRA), Published by Garden Organic (HDRA) on 1998

Kukabili Wadudu na Magonjwa

Garden Organic (HDRA), Published by Garden Organic (HDRA) on 2004

Kutayarisha Viunga Vya Miche

If tree seeds are directly sown out in the planting site, most young tree seedlings would be very susceptible to damage from animals, wind, heavy rainfall or drought. This means that a large...

Garden Organic (HDRA), Published by Garden Organic (HDRA) on 2004

Kuzuia Mchwa bila Kemikali

Although usually considered pests, termites can also provide many benefits. Therefore before control measures are used an assessment should be made of the following benefits against the loss of...

Garden Organic (HDRA), Published by Garden Organic (HDRA) on 2004

Late Blight

Late blight is widespread, but in tropical areas it is mainly troublesome in highland humid areas.

Garden Organic (HDRA)

Lesser Grain Borer

The Lesser grain borer (LGB) was originally described from South America but now has spread around the world especially to warm and tropical areas like Australia and India where it causes...

Garden Organic (HDRA), Published on 2000

Maize Stalk Borer

The maize stalk or stem borer is a widespread pest throughout tropical and sub-tropical Africa, from south of the Sahara to South Africa, usually in areas with and altitude greater than 700m.

Garden Organic (HDRA), Published on 2000

Matumizi ya Dawa za Kiasili

Garlic ni ufanisi dhidi ya mbalimbali ya magonjwa na wadudu katika hatua tofauti katika mzunguko wa maisha yao.

Garden Organic (HDRA), Published by Garden Organic (HDRA) on 2000

Mexican Bean Beetle

The Mexican bean beetle is one of the rare leaf-eating members of this family. It is a widespread pest throughout Central and North America, Africa and Asia.

Garden Organic (HDRA), Published by Garden Organic (HDRA) on 2000


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