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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...

plantwise.org

Clean orchards to reduce Asian fruit fly


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Zambia
,
August
2013
Clean orchards to reduce Asian fruit fly
Recognize the problem
The Asian fruit fly is a small fly, about 8 mm in length, with yellow and small
dark brown to black markings on its wings. Larvae, also called maggots, feed
inside the fruits. Damage symptoms are dark spots on the fruits, rotting of
fruits, or falling of fruits. Fruit flies cause devastating damage to...

plantwise.org

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

Uproot maize plants with lethal necrosis disease


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FACTSHEETS FOR FARMERS www.plantwise.org Created in Tanzania , September 2013 Uproot maize plants with lethal necrosis disease Recognize the problem Maize lethal necrosis disease (MLND) is a deadly disease of maize. It is caused by two types of viruses which together kill the plant. At early stages, MLND causes many long yellow stripes on leaves. This resembles maize streak virus disease but MLND stripes are wider. Later, the plant leaf edges...

plantwise.org

Short rice varieties against stalk-eyed shoot fly


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Tanzania
,
September
2013
Short rice varieties against stalk-eyed shoot fly
Recognize the problem
Stalk-eyed shoot flies, also called stalk-eyed borers or
Nzi wa virungu
in
Kiswahili, are small (less than 1 cm) brown insects. Their eyes are found on
two long stalks coming out from their head. The larvae of the flies feed inside
the leaves of seedlings and young rice plants. The...

plantwise.org

Safety spraying with knapsack sprayers


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Tanzania
,
September
2013
Safety spraying with knapsack sprayers
Recognize the problem
Safety spraying of agrochemicals is important to effectively control pests and diseases
of crops without harming the operators. Their use needs technical knowledge to avoid
harming eyes, skin and internal organs (liver, kidneys, lungs), and to lower the risk of
developing cancer.
Background
A...

plantwise.org

Resistant rice against rice yellow mottle virus


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Tanzania
,
September
2013
Resistant rice against rice yellow mottle virus
Recognize the problem
Rice yellow mottle virus is a disease of rice. Affected plants have yellow or
orange leaves at the early stage of the crop. In severe cases, leaves roll up and
dry. Other symptoms are stunting, reduced tillering and poor panicle filling.
This results in low or no seed production and poor...

plantwise.org

Intercrop maize with cowpea against stalk borer


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Tanzania
,
September
2013
Intercrop maize with cowpea against stalk borer
Recognize the problem
The African maize stalk borer
(Funza
in Swahili) is a major pest of maize
mostly in the highland parts of Tanzania. It is a light brown to nearly whitish
caterpillar that grows up to 4 cm long. The caterpillars first feed on young
leaves, which creates holes. When infestation is heavy...

plantwise.org

How to export as a small-scale farmer


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Zambia
,
August
2013
How to export as a small-scale farmer
Recognize the problem
Farmers often earn too little money for their produce. Export of agricultural
produce is a good business. Currently this benefits briefcase businessmen who
make huge profits but small-scale farmers could also export. A huge market
within the region exists.
Background
Zambia is exporting various...

plantwise.org

Neem against early blight in tomato


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Zambia
,
November
2013
Neem against early blight in tomato
Recognize the problem
Early blight is a fungal disease that can occur at any stage of the tomato plant.
The fungus makes brown to black spots on leaves. The spots are concentric
(layered rings that grow outwardly). If it attacks the plants early, no fruits are
produced. If it attacks after flowering, then the fruits are also...

plantwise.org

Red Sunhemp against nematodes in tomatoes


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Zambia
,
August
2013
Red Sunhemp against nematodes in tomatoes
Recognize the problem
Nematodes are small worms which live in the soil and cannot be seen with the
naked eye. When they infect the plant, they cause swellings on the roots of
host crops, such as tomatoes. This disturbs the uptake of nutrients from the
soil through the roots to the rest of the plant. Attacked plants grow...

plantwise.org

Staking of tomato


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Zambia
,
August
2013
Staking of tomato
Recognize the problem
Tomato stems are weak in nature and therefore tend to log if not well
supported. This can cause diseases as well as difficulties in carrying out field
operations.
Background
Staking is a way of helping tomato plants to stand uprightly by giving them
support. This will create space for good air circulation, as well as ease...

plantwise.org

Management of bean stem maggot


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Malawi
,
July
2013
Management of Bean stem maggot
Recognize the problem
Bean stem maggots feed at the base of stems, which blocks the movement of
water and nutrients from the roots to the upper parts of the plant. This can
cause wilting and death of plants.
Background
The bean fly has shiny wings and a black body. It lays its eggs on the first
leaves of the bean seedlings as they...

plantwise.org

Bean rust management


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Tanzania
,
September
2012
Bean rust management
Recognize the problem
Bean rust is a fungal disease affecting leaves, pods and stems of snap beans (=green
beans, French beans) and common beans. This disease can reduce yields up to 30%.
The symptoms are rust-coloured spots within yellowed areas. The spots first appear as
small brown dots containing a brown powder, which are spores of...

plantwise.org

Come together to mass trap Mango fruit fly


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Tanzania
,
September
2012
Come together to mass trap Mango fruit fly
Recognize the problem
Mango fruit flies ("Vidudu" in Swahili) inject their eggs into young fruits. The
eggs hatch into larvae that grow and eat inside the fruit. You cannot control
them with chemicals because larvae are hidden inside fruit. The larvae cause
the fruit to rot and the fruit drops down before ripening....

plantwise.org

Cutworm management in outdoor tomatoes


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Tanzania
,
October
2012
Cutworm management in outdoor tomatoes
Recognize the problem
Cutworms
(“
sota

in Swahili) are 2 to 4 cm long, c-shaped larvae. They are pencil-
thick, soft and dark brownish-grey, like the soil. The older, bigger larvae can cut and
chew young tomato stems quickly. Under a freshly cut seedling, you can often find a
cutworm larva under the soil surface...

plantwise.org

Powdery mildew management in tomatoes


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Tanzania
,
October
2012
Powdery mildew management in tomatoes
Recognize the problem
Powdery mildew
(“
Ubwiri poda

in Swahili) is a fungal disease. Powdery mildew is
easily recognised as a dusty-white to grey powder coating on leaves. Infected leaves
do not grow well and infected buds fail to open.
Background
Mildew usually affects young shoots, leaves, stems and flowers but...

plantwise.org

Spider mite management in outdoor tomatoes


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Tanzania
,
October
2012
Spider mite management in outdoor tomatoes
Recognize the problem
Spider mites
(“
Utitiri wekundu

in Swahili) are tiny, but can be seen with a hand lens or
good eyes. They never have wings. They usually attack the undersides of leaves. They
cause tiny white yellowish feeding spots on both leaf surfaces. At heavy mite feeding,
leaves become silvery-...

plantwise.org

Mealy bug management in coffee


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Tanzania
,
October
2012
Mealy bug management in coffee
Recognize the problem
Coffee mealy bugs, also called Kenya mealy bugs, are pests of coffee. The pest attacks
both Arabica and Robusta coffee. These small oval and flattened insects are just big
enough to be seen by eyes (2.5 mm long and 1.5 mm wide). Their body is whitish-
yellowish and segmented, but this is not easily seen as...

plantwise.org

Trapping mice with water buckets in maize fields


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Tanzania
,
October
2012
Trapping mice with water buckets in maize fields
Recognize the problem
Rats and mice ("Panya pori" in Swahili) are small animals that can cause
considerable damage to the maize cobs and plants. They eat the maize cobs,
making the maize of poor quality. Up to 90% of maize yield can be lost at high
rat and mice infestations.
Background
Rats and mice have high...

plantwise.org

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