Eco Bb .pdf



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Eco-Bb
Beauveria bassiana for the control of
agricultural insect and mite pests

where Nature
leads Innovation

Eco-Bb contains the insect-attacking fungus Beauveria
bassiana strain R444
The active agent Beauveria bassiana R444
( > 2 × 109 spores/g), is a naturally occurring,
soil inhabiting, insect-pathogenic fungus. The
entomopathogenic fungus infects and controls
whitefly, spider mite and various other agricultural insect and mite pests. Eco-Bb’s unique
formulation prevents the fungal spores from
drying out and enhances penetration and
infection of the pest.
In numerous greenhouse and field trials, Eco-Bb
proved to be very effective against whitefly
and red spider mite on a variety of crops. Trial
results also show efficacy against weevils, wire
worm, thrips and other agricultural insect and
mite pests

Untreated

Infected red spider mite

Eco-Bb

Control of spider mite in a strawberry field trial in South Africa. Photo shows leaves from Eco-Bb treated
plants (right) compared to plants sprayed with a commercial acaricide (left), after six weeks of treatment
(Madumbi, 2007).

Mode of Action

Whitefly incidence

(average of 20 leaves sampled)

The active agent in Eco-Bb, Beauveria bassiana, is a common, cosmopolitan, insect-pathogenic
fungus and also a common soil inhabiting fungus. Several strains of the fungus have been developed and registered for use as insecticides in various parts of the world. Beauveria bassiana has
the ability to infect a reasonably wide range of insects. When Beauveria spores come into contact with the insect, they attach to and penetrate through the “skin” or cuticle. This is achieved by
the physical growth of the fungal mycelium aided by enzymes such as chitinase. Once inside the
insect, the fungus grows and multiplies. Death is caused by internal tissue destruction and may be
aided by toxins produced by the fungus. It is important to note that a biological control product
such as Eco-Bb does not have an overnight knock-down effect on insects as with a toxic chemical
insecticide, but is effective over time in weakening and eroding insect populations.

100
80
Untreated

60

Chemical standard

40

Eco-Bb 1 g/liter

20
0
Week 1

Week 2

Week 3

Week 4

Eco-Bb against whitefly compared to a standard chemical. While it took Eco-Bb longer the end
results matched the performance of the chemical. As biological products typically do not exhibit the
“knock down effect” of chemicals; preventative control to manage pest populations is recommended.

Method of Application
• Mix with water at a rate of 1 g/liter water and apply as a full cover spray
every 7 – 14 days depending on severity of pest.

• Preferably apply product when humidity is high and UV is low – i. e. late afternoon.
• Good spray coverage is essential.
• Wetters and other adjuvants are not needed unless recommended.
• Ensure areas where pests are habitually found are covered – i. e. underside
of leaves or in leaf folds.

• Avoid the use of broad spectrum fungicides for at least three days before
and after Eco-Bb applications.

Eco-Bb
✔✔ Unique formulation
✔✔ Control of a broad spectrum of insect pests
✔✔ No residues and no withholding
period after application

10/14

✔✔ Effective against various stages of the pest life cycle

Andermatt Biocontrol AG
Stahlermatten 6 · 6146 Grossdietwil · Switzerland
Tel. +41 (0) 62 917 51 25 · Fax +41 (0) 62 917 50 06
contact@biocontrol.ch · www.biocontrol.ch


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