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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...

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Controlling bacterial wilt of enset using cultural methods


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Ethiopia, August 2014
Controlling bacterial wilt of enset using cultural methods
Recognize the problem
Enset supports the livelihoods of nearly 20 million smallholder farmers in
Ethiopia and bacterial wilt is a major threat to the production of this staple
crop. The disease starts to attack the plant at the seedling stage. Initial
symptoms of the disease on enset include the presence of...

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Management of damping off disease in tomato


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Ethiopia, August 2014
Management of Damping off Disease in Tomato
Recognize the problem
Damping off is a major disease of young tomato seedlings and losses can
reach 80 - 100%. The disease can be caused by several different pathogens
(Pythium, Phytophthora and Rhizoctonia species) but the same symptoms
occur. The seedlings either fail to emerge from the soil or fall over and die
immediately...

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Using neem seed for managing thrips in onion


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Ethiopia, August 2014
Using neem seed for managing thrips in onion
Recognize the problem
Thrips are very small insects, about the size of a flea and just about visible to
the naked eye. Immature stages referred to as nymphs are either yellow or
white. Older individuals are yellowish-brown and move quickly. They feed by
damaging the surface of the leaves and sucking the sap that exudes from the...

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Sprays against Tuta tomato leaf miner


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, October 2014
Sprays against Tuta tomato leaf miner
Recognize the problem
Tomato leaf miner is a devastating pest of tomatoes. It is also known as Tuta
absoluta, Tomato moth, or kidomozi wa nyanya in Kiswahili. Tomato leaf miner adults
are small silver-grey moths with black spots on their inner wings. They are about ½ cm
long and have wings of about 1 cm if spread. They hide under...

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Control of stalk borer by cutting maize stalks


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, October 2014
Control of stalk borer by cutting maize stalks
Recognize the problem
Stalk borers are pest insects and can cause maize yield losses of up to 30%.
They are 0.5 to 2 cm long white-yellowish caterpillars that first feed on maize
tips, and later in the maize cob and maize stalk. The damaged plant appears
stunted with broken tips and slightly yellowed upper leaves. The plant...

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Control vectors of maize lethal necrotic disease


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, October 2014
Control vectors of Maize Lethal Necrotic Disease
Recognize the problem
Maize Lethal Necrosis Disease (MLND) is a viral maize disease. Leaves of infected
plants become yellow from the tip and margins to the centre. Older leaves (bottom of
plant) remain green. Ears and leaves dry up and sometimes look like a mature plant.
The whole plant dies and maize cobs remain without...

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Postharvest tillage against bean fly in beans


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, October 2014
Postharvest tillage against bean fly in beans
Recognize the problem
Bean flies, also called bean stem maggots (or Funza wa Maharage in Swahili),
are serious pests of all types of beans, especially common beans. A bean fly is
tiny, only about half the size of a housefly, and is shiny metallic black. Its
larvae feed into and through the leaves. They feed and tunnel down...

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Repelling fruit flies by weaver ants in oranges


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, October 2014
Repelling fruit flies by weaver ants in oranges
Recognize the problem
Fruit flies lay eggs in mature orange fruits causing black dots and yellowing of
fruits. The flies are a bit smaller than house flies and much more colourful.
They have orange silvery patterns around the abdomen, and transparent wings
with dark patterns. The larvae hatch from eggs, feed inside fruits,...

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Traps to forecast armyworm outbreaks


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, October 2014
Traps to forecast armyworm outbreaks
Recognize the problem
Armyworms are pests that live and move in large groups. The moth is 1.5 cm long but
has a wingspan of up to 3cm. Forewings are dark-brown and hindwings are white with
thin dark veins. The destructive stage is the larva which is black with a green stripe
running down each side of the body. In the field they damage...

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Using wood or rice husk ash to control the okra beetle in the field


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FACTSHEETS FOR FARMERS www.plantwise.orgCreated in Ghana, July 2014 Using wood or rice husk ash to control the okra beetle Recognize the problem Flea beetles are known to feed more on okra leaves and fruits which can result in significant yield losses, especially if the critical stage (early vegetative stage) is attacked. The adults are tiny shiny insects that feed on foliage, creating many tiny rounded holes especially on seedlings. The grubs...

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Disposing of fruit to manage Tuta absoluta on tomato


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Using hot pepper to control diamondback moth on cabbage


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Using ash from wood or rice husk to control maize weevils


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Cultural control of bean fly in cowpea and bean


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Pawpaw leaves and cassava peels to trap snails


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Reduce ratoon cotton to control cotton stainer


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Bacteria inoculants for more nitrogen in soybean


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Minerals against blossom end rot in tomato


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Prevention of sunscald in pepper


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