Bacillus thuringiensis

Names

Bacillus thuringiensis in different languages.

Resources

58 resources available. Click on the image to preview, click on the publisher link to download.

Sprays against Tuta tomato leaf miner


20157800364.jpg

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

Diamondback moth (DBM) and its management


20147800953.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Vietnam
,
November
2012
Diamondback moth (DBM) and its management
Recognize the problem
In Vietnam, the diamondback moth (DBM) is a pest of crops such as cabbage
and Chinese mustard. The caterpillar feeds on the leaves of the plant, making
holes in them. If left untreated, DBM caterpillars can rapidly increase in number
and cause severe damage to the crop.
Background
The newly...

plantwise.org

Black cutworm on leafy vegetable


20157800076.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Cambodia
,
November
2012
(Revised August 2014)
Black cutworm on leafy vegetables
Recognize the problem
Larvae (caterpillars) are gray or brown and reach 3-4 cm in length. They feed
on leaves, making small holes. After few days, the caterpillars drop to the soil
where they live until pupation. The larvae cut the stems of young seedlings at
soil level, killing them. This affects the...

plantwise.org

Cabbage webworm


20157800080.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Cambodia
,
November
2012
(Revised August 2014)
Cabbage Webworm
Recognize the problem
Young caterpillars mine leaves, bore stems and feed externally on the leaves.
Caterpillars often penetrate the heart of the plant, destroying the terminal bud
and preventing heading. Affected plants wilt and can die if caterpillars feed on
the growing point.
In older cabbage plants, new shoots are...

plantwise.org

African bollworm on tomato


20137804203.jpg

FACTSHEETS FOR FARMERS www.plantwise.org Created in Kenya , December 2012 African Bollworm on Tomato Recognize the problem The African bollworm is a fat brown moth which flies at night laying eggs on plant parts. The yellowish-white eggs hatch into yellowish-white to reddish- brown caterpillars which feed on leaves, flowers and fruits. All caterpillars have a light stripe on each side of their body. The feeding on the fruit results in a watery...

plantwise.org

Cutworms on tomato


20137804210.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Kenya
,
December
2012
Cutworms on Tomato
Recognize the problem
Cutworms are greyish, hairless worms that have a waxy appearance. They coil
up into a little ring when held in the hand.
They

re usually found where the cut plant is. They hide in the soil during the
day and only emerge at night to feed on the young plants, cutting the young
plant parts at the base. They sometimes...

plantwise.org

Armyworms on Brassica


20137804261.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Kenya
,
December
2012
Armyworms on Brassica
Recognize the problem
Armyworms vary in colour and stripe patterns, but are usually a shade of olive
green with many fine coloured stripes down their back and sides. The body
surface is smooth with almost no hairs. They feed on any succulent foliage
such as leaves. After finishing one food supply, they move as an "army" to new
plants....

plantwise.org

Cutworms on Brassica


20137804268.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Kenya
,
December
2012
Cutworms on Brassica
Recognize the problem
Cutworm is a greyish hairless worm of waxy appearance. It curls up into a little
ring of C-shape when held in the hand. It is usually found in the surrounding
area of the cut plant. The cutworms are actually caterpillars that hide in the soil
during the day and only emerge at night to feed on the young plants or plant...

plantwise.org

Diamondback moth on Brassica


20137804270.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Kenya
,
December
2012
Diamondback Moth on Brassica
Recognize the problem
Young diamondback moths are pale green caterpillars. They feed by eating the
lower side of the leaf leaving a see-through hole mostly referred to as a
'window'. They are small compared to other caterpillars. The adult moths have
3
diamond shapes on their wings hence the name of the pest. The females lay...

plantwise.org

Cabbage looper on Brassica


20137804277.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Kenya
,
December
2012
Cabbage Looper on Brassica
Recognize the problem
Loopers are green caterpillars, usually with a narrow white stripe along each
side and several narrow lines down the back. Looper caterpillars can be
identified from most other common caterpillars by their distinctive looping
movement.
Background
Seedlings are sometimes damaged but the lethal damage occurs after...

plantwise.org

Sawfly on Brassica


20137804283.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Kenya
,
December
2012
Sawfly on Brassica
Recognize the problem
Sawfly is also known as the cabbage leaf sawfly or the turnip sawfly. The
young (larvae) look like oily black or green coloured caterpillars. The larvae
have a shiny head and their bodies have a swelling just behind the head that
looks like a hump. The adults are wasps that are 1.5cm long with bright yellow
abdomens....

plantwise.org

Cabbage webworm on Brassica


20137804287.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Kenya
,
December
2012
Cabbage Webworm on Brassica
Recognize the problem
The adults are sandy brown moths that have pinkish brown stripes and appear
triangular when at rest. They lay creamy eggs which hatch into greyish larvae.
The larvae grow through several stages and are about
1.5
cm.
The larva is the most destructive stage. They feed on growing plant parts such
as the cabbage...

plantwise.org

Fall armyworm (FAW) on maize in Namibia


20187800734.jpg

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 maize
varieties with resistance
to FAW.

Consider...

plantwise.org

Fall armyworm (FAW) on maize in Uganda


20187800573.jpg

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 maize
varieties with resistance
to FAW.

Consider...

plantwise.org

Fall armyworm (FAW) on maize in Ghana


20187800793.jpg

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 maize
varieties with resistance
to FAW.

Consider...

plantwise.org

Fall armyworm (FAW) on maize in Botswana


20187800734.jpg

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

Fall armyworm (FAW) on maize in Sierra Leone


20187800572.jpg

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 maize
varieties with resistance
to FAW.

Consider...

plantwise.org

Fall armyworm (FAW) on maize in Senegal


20187800571.jpg

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 maize
varieties with resistance
to FAW.

Consider...

plantwise.org

Fall armyworm (FAW) on maize in Mozambique


20187800569.jpg

Spodoptera frugiperda Lagarta-do-cartucho na cultura de milho
GUIA DE DECISÕES PARA GESTÃO DE PRAGAS: LISTA VERDE E AMARELA
 
Prevenção
Prospecção
Controlo directo
Controlo directo
Restrições

Recomenda-se o cultivo
precoce no início do
período chuvoso, uma vez
que as populações de
lagarta-do-cartucho só se
desenvolvem mais tarde na
época da colheita.

Evite cultivar em diferentes
alturas, uma vez que assim
fornece uma fonte de
alimento...

plantwise.org

Fall armyworm (FAW) on maize in Mali


20187800568.jpg

Spodoptera frugiperda Chenille légionnaire d’automne (CLA) sur le maïs
GUIDE DE GESTION DE PROBLÈMES PHYTOSANITAIRES: LISTE VERTE ET JAUNE
 
Prévention
Surveillance
Lutte directe
Lutte directe
Restrictions

Planter tôt avec les
premières pluies car les
populations de la chenille
légionnaire d’automne
(CLA) croissent au fur et à
mesure de la saison.

Éviter d’échelonner les
dates de plantation car cela
fournit une source de
nourriture...

plantwise.org

Pages

Filter by related crop:

Natural enemy

Q&A