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Timely cassava planting to minimize mealybugs


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, December 2014
Timely cassava planting to minimize mealybugs
Recognize the problem
Cassava mealybugs are also called “Vidung’ata” in Swahili. They are tiny
insects, less than ½ cm in size. They are soft- bodied, wingless, and covered
by white wax and hairs. They appear like small white cotton masses on stems
and on the underside of leaves. Mealybugs distort terminal shoots, and curl...

plantwise.org

Control of cassava mosaic disease by uprooting


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, October 2014
Control of cassava mosaic disease by uprooting
Recognize the problem
Cassava mosaic disease is a plant virus that reduces cassava production. It is
called Batobato ya muhogo in Kiswahili. The disease causes curling of leaves
and the formation of yellow-greenish or white-greenish patches within the
green leaf which is known as chlorosis or mosaic. When the disease is...

plantwise.org

Nurseries for clean cassava planting material


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, October 2014
Nurseries for clean Cassava planting material
Recognize the problem
Planting material for cassava production needs to be obtained from healthy
plants. This means plants that show no symptoms of any disease: no leaf
colour changes or chlorosis, no twisted or curled leaves, no shoot tip dieback,
no dark or white fungus patches or streaks on the stem, no rotten spots and
no...

plantwise.org

Avoiding cassava mosaic virus in your field


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Democratic Republic of the Congo, May 2014
Avoiding Cassava Mosaic Virus in your field
Recognize the problem
Cassava is a hugely important crop in central West Africa. Unfortunately, it is
affected by some major diseases and pests. Cassava Mosaic Virus has spread
to many parts of Africa and can reduce yields considerably. In the field, you
can recognise the virus by its mosaic pattern on the...

plantwise.org

Using resistant or tolerant varieties against cassava bacterial blight


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Democratic Republic of the Congo, May 2014
Resistant or tolerant varieties against cassava bacterial blight
Recognize the problem
Eight out of ten households cultivate cassava. It is a very important food crop
in Africa and, unfortunately, it is affected by many diseases and pests. Vascular
bacterial blight considerably reduces the yield, as well as the quality of the
leaves. In the field, we...

plantwise.org

Pawpaw leaves and cassava peels to trap snails


Warm water treatment of cassava mealybug


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Zambia
,
August
2013
Warm water treatment of cassava mealybug
Recognize the problem
Cassava mealybug is a serious insect pest of cassava. This pest is woolly, oval,
whitish-pink and about 3-5 mm long. It feeds on the tip of plants which
reduces the growth of leaves and tubers. It can cause up to 50% loss of tubers
and 100% loss of leaves. This pest looks like white cotton wool and is...

plantwise.org

Clean cassava cuttings to stop mealybug spread


Planting material free of cassava mosaic virus


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Zambia
,
August
2013
Planting material free of cassava mosaic virus
Recognize the problem
Cassava mosaic virus is a disease which affects cassava plants. Symptoms of
the disease include the appearance of yellowish green small patches across the
leaves (mosaics), and distorted or deformed leaves. When the disease develops
as a result of infected planting materials, then symptoms are...

plantwise.org

Control of larger grain borer in stored maize


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Malawi
,
July
2013
Control of larger grain borer in stored maize
Recognize the problem
Larger Grain Borer (LGB) is locally called Nankafumbwe wamkulu. It is a dark
brown beetle which has a square body. This pest destroys maize grains when
they are in storage.
Background
LGB attacks maize right from the field and continues in the store. It also feeds
on wood, plastics, storage bags...

plantwise.org

Cassava hornworm


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Cassava hornworm
Recognize the problem
The cassava hornworm is a pest of cassava. The adult hornworm is a moth and
its offspring is a worm that eats and destroys the cassava leaf.
The worms eat many holes on the younger leaves, and then attack the mature
leaves. If left untreated the hornworm eats all the leaves in the field and even
damages stems...

plantwise.org

Root nematode management in banana


Cassava mosaic disease


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Sierra Leone
,
December
2006
Cassava mosaic disease
Recognize the problem
Cassava mosaic disease is commonly known as leprosy. Sick plants have pale
green and yellowish patches on the leaves.
The sick plants are often small. They do not grow to their normal height. Sick
plants have small leaves and small tubers so the harvest is poor.
Background
Cassava mosaic disease is caused by a...

plantwise.org

Attracting snails away from garden plants


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Sierra Leone
,
May
2012
Attracting snails away from garden plants
Recognize the problem
Snails are pests that move very slowly and carry their house (a shell) on their
back. They eat the leaves of many plants. They make holes in the leaves and
often leave a trail of clear slime where they have moved over the leaf or
ground.
Background
Because snails move very slowly, it is easy to...

plantwise.org

Preventing weeds in cassava


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Sierra Leone
,
May
2012
Preventing weeds in cassava
Recognize the problem
Weeds are unwanted plants that affect the growth of cassava and reduce the
crop yield. Weeds compete with cassava for nutrients, water, space, light and
soil moisture. They give protection and food for crop pests, which makes the
number of pests increase.
Background
Weeds need light to be able to grow. They...

plantwise.org

MM, mountain microorganisms


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Honduras
,
November
2012
MM, mountain microorganisms
Recognize the problem
Several crop diseases and pests can be prevented by fertilizing the plants with
MM, which stands for mountain microorganisms.
Background
Not all fungi and bacteria are harmful. The decomposing litter found in the
mountains contains useful microorganisms, such as fungi and bacteria, which
can fight diseases and...

plantwise.org

Cassava; a nutritious and healthy staple crop


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Barbados
,
October
2012
Cassava; a nutritious and healthy staple crop
Recognize the problem
Cassava is the third most significant staple food in the world. However,
consumption of cassava, as an ingredient or processed product, is low in
Barbados because consumers believe incorrectly that cassava contains cyanide
and is poisonous.
Background
The cassava plant does not contain cyanide...

plantwise.org

Brown leaf spot (BLS) of cassava


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Uganda
,
August
2012
Brown Leaf Spot (BLS) of Cassava
Recognize the problem
Brown leaf spot (BLS) disease is caused by a fungus. It is one of the worst
fungal diseases of cassava. BLS disease appears as small brown spots with
dark borders on the upper leaf surface (Top picture). The brown spots form
between leaf veins so their size and shape are limited by the veins. The centre
of...

plantwise.org

Killing grasshopper eggs


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Sierra Leone
,
December
2008
(Revised December 2012)
Killing grasshopper eggs
Recognize the problem
The grasshopper eats at least 18 different types of crops in Sierra Leone.
Between March and April you will find grasshoppers mating, mounting on each
other. Immediately after mating the male dies. This means you will find dead
grasshoppers around, although in some cases female...

plantwise.org

Mimosa diplotricha


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Vietnam
,
March
2016
Mimosa diplotricha
Recognize the problem
Family: Fabaceae (pea family)
Common names:
Giant sensitive plant
, creeping sensitive plant, nila grass, tropical
blackberry.
Vietnamese
: Trinh nữ móc.
Annual, biennial or evergreen, scrambling, climbing, strongly branched shrub, forming
dense thickets
2

3
(–
6
) m tall; woody at the base with age;...

plantwise.org

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