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Pruning to manage anthracnose on mango


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Ghana, September 2013
Pruning to manage anthracnose on mango
Recognize the problem
Anthracnose is a major fungal disease of mango which can affect all parts of
the tree including branches, twigs, leaves, flowers and fruits. The disease
presents a great challenge for those who are involved in the production of
mangos for export. The disease is most severe during wet and warm conditions
causing...

plantwise.org

Proper storage of pesticides by the smallholder farmer


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Ghana, July 2014
Proper storage of pesticides by the smallholder farmer
Recognize the problem
Pesticides are used extensively in Ghana by farmers for the control of weeds,
insects and diseases. Some farmers do not store these chemicals appropriately
and as a result they increase the exposure for themselves, their families and
livestock to these dangerous chemicals. Proper pesticide storage...

plantwise.org

Hot water treatment to control nematodes and weevils on plantain


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Ghana, July 2014
Hot water treatment to control nematodes & weevils on plantain
Recognize the problem
When farmers plant new plantain they often use infected planting material
because it is difficult to find clean or pest-free planting material. As a result,
farmers can lose over 70% of their plantain through nematode infection which
causes the plants to topple or fall over. The main source...

plantwise.org

Growing Chinese cabbage in bags


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, October 2014
Growing Chinese cabbage in bags
Recognize the problem
Inadequate and unreliable rainfall adversely affects the production of Chinese
cabbage, causing a reduced yield for the farmers.
Background
Chinese cabbage has a high water requirement at all stages, from planting to
harvesting. In order to supplement inadequate rainfall, regular watering is
needed. Farmers therefore...

plantwise.org

Cropping cowpeas with maize to improve soils


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, July 2014
Cropping cowpeas with maize to improve soils
Recognize the problem
Nitrogen deficiency in the soil is a huge problem for most small scale farmers.
A common symptom of nitrogen deficiency in maize is the yellowing of the
lower leaves of plants across the field. Such yellowing starts at the tips and
moves along the middle of the leaf. Many plant diseases can cause yellowing,
but...

plantwise.org

Management of groundnuts to reduce aflatoxins


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, July 2014
Management of groundnuts to reduce aflatoxins
Recognize the problem
Groundnuts can get contaminated with poisons, called aflatoxins. These
poisons are produced by several fungal plant diseases. These fungi are soil-
borne, and can attack the crop both in the field and after harvest. This can be
a problem if a farmer delays harvesting when the crop has already matured.
The...

plantwise.org

Neem to support control of late blight in potato


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, July 2014
Neem to support control of late blight in potato
Recognize the problem
Late blight is a fungus-like mould disease in potato that spreads fast in cool
and humid weather. Infected plants have necrotic areas on their leaves which
wilt, bend downwards, become weak and eventually die. Look for white cotton-
like surfaces on root necks after rains. Inside tubers, late blight causes...

plantwise.org

Soil conservation using a magoye ripper


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, July 2014
Soil conservation using a magoye ripper
Recognize the problem
Frequent turning of top soil under conventional farming has made the soil loose
and therefore prone to erosion by wind and water. Soil erosion washes away
the nutrients from the organic manure and fertilizer in the soil. This causes a
plough pan that hinders plant growth, and the loss of moisture that would have...

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

Toppling of banana


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Grenada, April 2014
Toppling of Banana
Recognize the problem
Toppling in Banana is a very serious problem in Grenada. Either the banana
borer/banana weevil (Cosmopolites sordidus), or the banana spiral nematode
(Helicotylenchus multicincitus) or heavy winds cause the problem. Profits to
farmers can be significantly reduced by about 30-40% annually.
Background
Poor field sanitation and nutrition...

plantwise.org

Sooty mold complex


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Grenada, April 2014
Sooty Mold Complex
Recognize the problem
Sooty mold refers to the various species of black fungi growing on leaves as a
result of honeydew, which is the excretion produced by sucking insects that
feed on the plant. The fungi resemble soot and can cover leaves, stems and
fruits. Fungi do not infect the plants directly but reduce their ability to utilize
sunlight, hence yield...

plantwise.org

Palm thrips of watermelon


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Grenada, April 2014
Palm Thrips of Watermelon
Recognize the problem
Palm thrips are a major pest of watermelon in Grenada. They mainly attack the
growing tips of the vine. The tips become brown and stop growing. This pest
can destroy the entire crop if left untreated.
Background
Palm thrips are able to feed and survive on most of the vegetables grown. It is
very important to remove and burn...

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

Ridging against blight disease in pigeon peas


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, October 2014
Ridging against blight disease in Pigeon Peas
Recognize the problem
Stem blight in pigeon peas is a fungal disease, that is also called Phytophthora
blight, stem rot or ‘mnyauko wa mbaazi'. Yellow spots appear on the leaves of
affected plants. The diseased bark turns yellow to brown and finally dies
starting from the base of plants. Upon death, the bark remains attached...

plantwise.org

Soil aeration to control rots in pineapple


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Tanzania, October 2014
Soil aeration to control rots in Pineapple
Recognize the problem
Top and root rot in Pineapple is caused by fungi that live in the soil. These rots
are also called heart rots. The disease changes the colour of leaves from light
brown to red, and may become striped. Leaf edges curl backwards and may be
pulled-off easily from the plant due to the rotting of their bases. The...

plantwise.org

Management of clubroot disease in cabbage using the soil solarization technique


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Malawi, August 2014
Management of clubroot disease in cabbage
using the soil solarization techniqueRecognize the problem
This is a root disease of cruciferous vegetables. It is caused by a soil-dwelling
fungus called Plasmodiophora brassicae. Diseased plants have swollen roots,
are stunted, and wither around noon when weather is hot but recover in the
evening when weather cools down. In severe...

plantwise.org

Reducing black sigatoka in your banana field


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Democratic Republic of the Congo, May 2014
Reducing Black Sigatoka in your Banana field
Recognize the problem
Black sigatoka disease is caused by a fungus, and is one of the most dangerous
diseases on banana. A farmer can lose up to 70% of their production. The
disease usually appears when the 3rd or 4th leaf forms. Yellow, brown and
black lines that follow the secondary leaf veins appear on...

plantwise.org

Reducing tomato bacterial wilt in your field


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Democratic Republic of the Congo, May 2014
Reducing tomato bacterial wilt in your field
Recognize the problem
Tomato is one of the most imprtant fruits in the world. Unfortunately, it is
affected by a virulent disease: bacterial wilt. This bacteria reduces plant yields
and eventually kills the plant. It causes the stem to soften and leaves to wilt
and fall. We also see black or brown spots on...

plantwise.org

Using natural nematicide plants against banana nematodes


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Democratic Republic of the Congo, May 2014
Using natural nematicide plants against banana nematodes
Recognize the problem
The banana tree is the 4th largest crop in DRC, and it is extremely important to
take care of the tree when it is growing. Nematodes are very small worms that
cannot be seen by the naked eye. They live in the soil and destroy banana tree
roots.
When roots are attacked, the...

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

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