Resources

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Palm weevil


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Palm weevil
Recognize the problem
These insects live inside of palm plants and destroy them. They also spread the
nematode that causes the red ring disease.
The weevils cause the crown leaves to dry and turn yellow. The new leaves
and the flowers die. The red ring can be seen when the stems of infected
plants are cut. In the late stage of...

plantwise.org

Guard basket traps for control of palm weevil in coconut


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
December
2013
Guard Basket traps for control of Palm Weevil in Coconut
Recognize the problem
The palm weevil vectors the red ring nematode inside its body and carries it to
the trunk of healthy trees. The nematode enters the palm though wounds and
causes death of the coconut palm.
Background
Guard baskets are designed to protect the estate from frequent outbreaks...

plantwise.org

How to apply limestone in a crop of tomato


20157800091.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
December
2013
How to Apply Limestone in a Crop of Tomato
Recognize the problem
The pH of the soil is a measure of how acidic or alkaline it is. An unsuitable soil
pH makes crop production difficult because plants are unable to take up the
necessary nutrients. The pH can also have a significant effect on some tomato
diseases, such as Fusarium wilt. Soil at the...

plantwise.org

Mulching to manage bacterial leaf spot in the home garden


20157800093.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
December
2013
Mulching to Manage Bacterial Leaf spot in the Home Garden
Recognize the problem
Bacterial Leaf spot is a serious problem in hot peppers. Light brown spots are
seen on leaves of affected plants. If not controlled, the plant dies. Once the
disease enters the field, it is hard to control and the disease is worse in heavy
rainfall accompanied by winds...

plantwise.org

Proper drainage of cabbage beds


20157800094.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
December
2013
Proper drainage of cabbage beds
Recognize the problem
When preparing land to plant cabbage, proper drainage is essential for the
following reasons to avoid waterlogging which can cause the roots to be
starved of oxygen and therefore lead to the death of the plant. Furthermore,
pathogens, such as bacteria and fungi, thrive in waterlogged soils and...

plantwise.org

The control of leaf-cutting ants by drenching


20157800095.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
December
2013
The control of leaf-cutting ants by drenching
Recognize the problem
Leaf-cutting ants, or bachac, occur in great numbers and can be responsible for
destroying an entire crop virtually overnight.
Background
Traditionally, simple barriers and setting of baits with pesticide have been used
to control leaf-cutting ants. However, if these methods are...

plantwise.org

Cassava hornworm


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Cassava hornworm
Recognize the problem
The cassava hornworm is a pest of cassava. The adult hornworm is a moth and
its offspring is a worm that eats and destroys the cassava leaf.
The worms eat many holes on the younger leaves, and then attack the mature
leaves. If left untreated the hornworm eats all the leaves in the field and even
damages stems...

plantwise.org

Whiteflies on tomatoes


20137804188.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Whiteflies on tomatoes
Recognize the problem
Whitefly is a major pest of tomatoes. Too many whiteflies can destroy your
crop. When the whitefly sucks the plant it might inject viruses into the plant.
Farmers in Trinidad call this problem "curly head". The virus makes the plant
curl at the shoot tips.
The whitefly is a small white insect, which...

plantwise.org

Gall flies on mango


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Kenya
,
December
2012
Gall flies on Mango
Recognize the problem
Gall flies are small flies about 1-2 mm. The female pierces and lays eggs on
young leaves. The eggs hatch later into maggots. These maggots make the
tissue swollen and soft leading to formation of galls. A gall fly maggot lives
inside each of the galls, which are about 4mm wide. The galls cause the
bordering tissues to...

plantwise.org

Gummy stem blight of watermelon


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Gummy stem blight of watermelon
Recognize the problem
Gummy stem blight is a major disease of watermelon. This disease often
causes total crop loss. It is caused by a fungus. The leaves, stem and fruit may
become infected.
Brown leaf spots often start close to the edge of the leaves. The spots become
larger, irregular and may join together and kill...

plantwise.org

Wilt disease in pineapple


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Wilt disease in pineapple
Recognize the problem
The disease is easy to recognise. The young leaves turn red, or a bright bronze
colour. The older leaves become pinkish or yellowish. In older plants the leaves
become limp and curl outwards. Mealy bugs are seen on the bottom part of the
fruit and the lower leaves of plant.
Most fruits produced by...

plantwise.org

Keep pumpkins healthy after harvest


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Keep pumpkins healthy after harvest
Recognize the problem
Many pumpkins are damaged and become unmarketable after harvest.
In spite of your best efforts to produce a healthy crop of pumpkins while in the
field, exporters and other marketers experience additional losses due to
packing the produce in feed bags.
Background
Most damage is caused by...

plantwise.org

Phytophthora in hot peppers


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Phytophthora in hot peppers
Recognize the problem
This disease is very common in peppers and tomatoes. It is caused by a
fungus-like organism which can destroy entire fields.
The fungus attacks roots, stems, leaves and fruits. The fungus causes
blackening at the base of the stem. The plant wilts. Infected leaves seem
scalded and bleached and...

plantwise.org

Building a compost at home


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Building a compost at home
Recognize the problem
Composting is a simple way to turn yard trimmings, food scraps and manure
into fertilizer.
Compost makes the soil easier to work, adds nutrients to the soil and causes
water to be retained.
Using compost makes the soil softer and helps the roots grow through it.
Compost is cheaper than commercial...

plantwise.org

Storing pesticides safely at home


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Storing pesticides safely at home
Recognize the problem
Pesticides are necessary, but they are also dangerous. If they are misused they
can poison people or animals. Chemicals may be wasted if they are poorly
stored.
Background
Safe storage of pesticides is important to avoid accidental poisoning of people
and animals.
Pesticides must be protected...

plantwise.org

Bacterial leaf spot


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Bacterial leaf spot
Recognize the problem
Bacterial leaf spot attacks sweet pepper, hot pepper and tomato. The disease attacks
each crop in different ways.
On
sweet peppers
, small, light brown spots appear under the leaf. The spots are
angular, round or irregular and they turn dark brown. The spots can be slightly raised.
Several spots can...

plantwise.org

Angular leaf spot in cucumber


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Angular leaf spot in cucumber
Recognize the problem
Angular leaf spot is a common disease of cucumber, squash, pumpkin and
watermelon. Affected plants bear less and the fruits are smaller.
This disease causes water-soaked spots on leaves, stems and fruits. Leaf spots
are not round but spread out to the leaf veins, so they look angular, or
pointed....

plantwise.org

Pesticide record keeping


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Pesticide record keeping
Recognize the problem
Consumers are becoming increasingly health conscious and demand safe food.
As such a record of pesticides used to produce a crop must be kept to satisfy
both the demands of the consumer and of the export market. Farmers need to
know the cost of inputs to know how much money they make or lose on their...

plantwise.org

Harvesting and handling pineapples


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Harvesting and handling pineapples
Recognize the problem
The timing and method are important when harvesting pineapples. For the
local and export market the time for harvesting is different and is sometimes
difficult to determine. Poor transporting from the field can bruise the fruit.
Background
After being picked, pineapples do not ripen or improve...

plantwise.org

Cercospora leaf spot in celery


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Cercospora leaf spot in celery
Recognize the problem
Cercospora leaf is a fungal disease that commonly affects celery in Trinidad
and Tobago. The leaves and stems may become affected.
Small, yellow, round to irregular spots first appear on the leaves and stem.
These spots do not have a border. These spots enlarge rapidly, turn brown and
dry. Leaves...

plantwise.org

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