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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

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

Cultural control of bean fly in cowpea and bean


Control of thrips on cowpea


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Sierra Leone
,
September
2013
Control of thrips on cowpea
Recognize the problem
The cowpea flower thrips or African bean flower thrips are shiny, black,
slender, small-winged insects that feed on flower buds and flowers. During the
pre-flowering period, nymphs and adults may damage the terminal buds.
However, the main damage is on the flower buds and flowers.
Attacked flower buds...

plantwise.org

Early and late leaf spot on groundnut


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Sierra Leone
,
September
2013
Early and Late Leaf Spot on Groundnut
Recognize the problem
Cercospora leaf spot disease is a disease caused by fungi on leaves of
groundnut. It is a major problem, although traditional farmers in Sierra Leone
consider spots on groundnut as signs of maturity. In most cases, farmers find it
difficult to clearly differentiate between symptoms of early and...

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

Pulse beetle


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
India
,
October
2013
Pulse Beetle
Recognize the problem
Pulse beetles are serious pests of stored pulses like pigeon pea, green gram,
black gram, cowpea and chickpea. The white coloured eggs hatch after 4 to 5
days. The grub makes a hole inside the grain which causes heavy damage. This
reduces the quality as well as market prices. Adults are 4.5 mm long and heart
shaped.
Background...

plantwise.org

Control of cowpea pod borer


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Sierra Leone
,
May
2012
Control of cowpea pod borer
Recognize the problem
Cowpea pod borer is an insect that causes damage to flowers, leaves and pods
of cowpea. Leaves are folded and stuck together by the caterpillar ("tumbu").
You can see small holes chewed into the pods by the insect. It is very common
to see many small, yellow or brown balls stuck to the sides of a damaged pod....

plantwise.org

Red chilli to control cowpea weevil


Root knot nematode on tomato


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
India
,
2010
Root knot nematode on tomato
Recognize the problem
Tomato roots are attacked by nematodes, reducing growth of the plant and
yields. The symptoms above ground are similar to other diseases. Confirm
nematode attack by examining the roots.
Background
Nematodes or
Jantu hula
are small worms which live in the soil, and cannot be
seen with the naked eye. They can persist...

plantwise.org

Maize borer


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Sierra Leone
,
December
2006
Maize borer
Recognize the problem
The borer is a very damaging pest. It attacks maize before and at the start of
flowering and reduces the size of cobs. Stems collapse and the plant produces
little grain.
The borers are caterpillars. They are usually pink and between
5
or
10
millimetres long.
Background
The caterpillars dig brown or black tunnels...

plantwise.org

Cultural control of cowpea aphids


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Uganda
,
July
2006
Cultural control of cowpea aphids
Recognize the problem
Cowpea aphids are small, black insect pests which suck sap from cowpea
leaves and pods. Aphids cause the leaves to curl.
The aphids also spread viruses which cause diseases. Aphids damage the pods
and leaves so that they cannot be eaten as vegetables.
Background
Cowpea aphids set early in the crop life and...

plantwise.org

Fall armyworm (FAW) on maize in Botswana


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Fall Armyworm egg mass
(Desiree van Heerden, Syngenta) Spodoptera frugiperda Fall Armyworm (FAW) on Maize
PEST MANAGEMENT DECISION GUIDE: GREEN AND YELLOW LIST
 
Prevention
Scouting
Direct control
Direct control
Restrictions

Plant early, with the first
rains, as Fall Armyworm
(FAW) populations build up
later in the crop season.

Avoid planting at different
times as this provides a
continuous source of food
for FAW.

If available, plant...

plantwise.org

Nematodes against bean fly in cowpea and bean


Beneficial nematodes against weevils in beans


Good nematodes against grubs in beans & peas


Store grain in air-tight


Cultural control of chafer grubs in maize


Yellow witchweed on cowpea


BestBet WinterPulsesSouth2014


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‘Best Bet’ IPM strategy  Decision making for insect management in grain crops (ipmworkshops.com.au)         Last revised October 2014  Winter pulse pests – Southern region   
Post harvest, pre‐sowing 
Establishment ‐vegetative
Flowering ‐maturity
Aphid vectors and 
virus source Control green bridge (in 
fallows) 
 
Sow virus‐free seed 
 
Sowing into standing stubble 
may reduce aphid landing. Assess riskof aphid outbreak. 
High risk when: 
...

ipmguidelinesforgrains.com.au

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