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Earthing up in Irish potato


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, August 2013
Earthing up in Irish potato
Recognize the problem
Irish potatoes (called Magwili in Tonga) harvested from un-ridged fields are
usually greenish brown and not the normal creamy white, brownish or purplish
colour. These tubers have a bitter taste, are poisonous and should not be sold,
even not at a low price. Un-ridged fields produce low yields.
Background
When tubers grow in...

plantwise.org

Management of parawilt disease in cotton


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in India, October 2013
Management of Parawilt Disease in Cotton
Recognize the problem
The incidence is particularly high in plants with a large canopy and heavy boll
load. Leaves of affected plants show wilt like drooping, become chlorotic and
turn bronze or red followed by drying. Premature dropping of leaves and
fruiting parts may occur. Leaves lose turgidity and become wilted due to
increased...

plantwise.org

How to rogue plants


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Trinidad and Tobago, December 2013
How to Rogue Plants
Recognize the problem
Roguing is physically removing pests and or diseases from the production area.
Background
Measures must be employed to minimise the spread of the problem to the
other plants. Roguing is one method of preventing the organism from
spreading which in turn will minimize yield loss.
Management
• Observe the growing area...

plantwise.org

Dean against fall armyworm larvae in maize


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, July 2017
Dean against fall armyworm larvae in maize
Recognize the problem
Caterpillars of the fall armyworm destroy maize and other cereals. Young
caterpillars, of about 1 cm, are greenish with black heads. Older, up to 3 cm,
larvae are light brownish. They have an inverted light Y marking on the
forehead and four tiny black spots arranged in a square on the last part of the
body. They...

plantwise.org

Fertiliser application of cashew


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, July 2017
Fertiliser application of cashew
Recognize the problem
Many farmers take cashew as an “orphan crop” (neglected crop) and do not
fertilise it, despite its high nutritional and commercial value. Fertilisation of the
crop is important despite the general belief that the crop can thrive well even
without fertilisation. Nutrient deficiency symptoms include stunted growth,
purpling...

plantwise.org

How to avoid misusing pesticides


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, July 2017
How to avoid misusing pesticides
Recognize the problem
Incorrect use of pesticides often leads to failure in pest control. Sometimes it even
negatively affects the crop. Moreover, the misuse of pesticides results in different
health problems in humans and their animals such as skin irritation, breathing
problems, headaches or more serious poisoning. If water is polluted with...

plantwise.org

Identification of fall armyworm caterpillars


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, July 2017
Identification of fall armyworm caterpillars
Recognize the problem
Fall armyworm caterpillars may be mistaken for life stages of other insects that
attack maize. Fall armyworms have some similar features to maize stalk (stem)
borers, African armyworm and African bollworm (also called American bollworm
or budworm or cotton bollworm).
Background
The fall armyworm is a new insect...

plantwise.org

Increasing pollinators for more fruits in cashew


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, July 2017
Increasing pollinators for more fruits in cashew
Recognize the problem
Cashew is an important crop due to its nutritional value and commercial status.
However, inadequate pollination plays an important role in low productivity of the crop
in addition to other factors. Despite the country having a potential of producing up to
25,000 tonnes of cashew nuts from the 4000 ha under...

plantwise.org

Management of bean weevils with insecticides


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Zambia, July 2017
Management of bean weevils with insecticides
Recognize the problem
The bean weevil is a serious pest that reduces quality of beans whilst in storage. In
storage, check for perforated bean seeds. Check for the small roundish adult weevils.
An adult bean weevil is small. It is only ½ cm long. The body is grey, brown and
reddish brown, without any distinctive patterns....

plantwise.org

Mechanical control of potato early blight


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Afghanistan, March 2017
Mechanical Control of Potato Early blight
Recognize the problem
Early blight is a fungal disease of potato, with the disease prevalent during
periods of dry weather with intermittent rain. The disease may appear in an
epidemic in many parts of the potato growing areas.
Background
The disease first appears on the older leaves of potato plants as angular, oval
or circular...

plantwise.org

Control of maize smut by seed treatment


Control of pear fire blight


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Afghanistan, March 2017
Control of Pear Fire Blight
Recognize the problem
The fire blight pathogen (Erwinia amylovora) can invade all parts of the pear
tree. Infected plant parts blacken and die. Shoot tips exhibit the typical
shepherds crook hooked distortion. If infections are not treated, the entire tree
may be killed as the disease spreads into the main scaffolds, trunk, and roots....

plantwise.org

Cultural control of wheat powdery mildew


Seed treatment of damping off of tomato


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Afghanistan, March 2017
Seed Treatment of Damping off of Tomato
Recognize the problem
Damping-off is generally limited to areas where drainage is poor or where soil
is compacted, but whole fields can be affected, especially in early plantings
when exposed to rain. Seedlings affected by damping-off fail to emerge or fall
over and die soon after emergence. Stems usually have a dark, shrivelled...

plantwise.org

Botanical control of tomato leaf miner


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Afghanistan, March 2017
Botanical Control of Tomato Leaf Miner
Recognize the problem
Originating from South America, Tuta absoluta is a devastating pest on tomato
crops. Recently, Tuta absoluta was considered to be a serious threat to tomato
production in the southern region of the country as it can largely damage the
crop and reduce the yield.
Background
Tuta absoluta is a micro lepidopteron...

plantwise.org

Control of rust diseases by resistant varieties


Growing amaranth in lines


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Uganda, October 2017
Growing Amaranth in lines
Recognize the problem
Farmers prefer to broadcast amaranth seed at planting as it is easy to do.
Broadcasting amaranth seed results in a dense population due to close spacing
with no regular pattern in plant stand. Planting in lines on the other hand offers
an appropriate plant population, hence less competition, less mutual shading,
reduced pest...

plantwise.org

Harvesting and storing pumpkins


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Uganda, October 2017
Harvesting and storing pumpkins
Recognize the problem
Pumpkins are one of the most widely grown vegetable food crops. It is grown
in many homesteads for food security and income generation. Like most food
crops, pumpkins are planted at the beginning of the rainy season. This results
in plenty of food stuff at the time of harvest followed by food waste and losses
to storage...

plantwise.org

Preparation of a nursery bed


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Uganda, October 2017
Preparation of a Nursery Bed
Recognize the problem
Most horticultural and agroforestry crops have very small and tender seeds.
These require a very fine seed bed for good germination and survival through
seedling stages, hence the need for any farmer investing in the production of
such crops to establish a nursery bed. Unfortunately, the preparation of a good
nursery bed is...

plantwise.org

Preparation of neem extract for control of whiteflies in pumpkins and other vegetables


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FACTSHEETS FOR FARMERS
www.plantwise.orgCreated in Uganda, October 2017
Preparation of Neem extract for control of whiteflies in Pumpkins
Recognize the problem
Plant pests are a major problem to crop performance under field and
greenhouse conditions. Generally, the majority of the farmers have relied on
the use of chemical pesticides to overcome pest problems, but these are
expensive and have been condemned for their negative effects on the...

plantwise.org

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