| Problem |
Dosage Rate |
Application |
Frequency
of
treatment |
Applicator |
Results |
Term
of
effect |
Scarid Fly
(Fungas Gnat) |
R.T.U.
Undiluted |
Surface of
Growing
Medium
only |
Weekly |
Hand held
fine mist
sprayer |
Kills on contact
Repeals adults
from treated
surface |
2 to 3
weeks |
Scarid Fly
(Fungas Gnat)
Lavae |
R.T.U. 1 ml
to 2 litres
water |
Saturate
media or
add to tank |
Weekly |
Dose tank
directly |
Gradual decline
in
lavae numbers |
7 to 10
days |
Red spider
& two
spotted mite |
1 part R.T.U.
to 2 parts
water |
Apply
directly to
leaf matter |
2 to 3
doses
every 7
days |
Hand held
fine mist
sprayer |
Kills on contact
reduces numbers
overtime |
7 to 14
days |
White fly &
Green Aphids |
1 part R.T.U.
to 2 parts
water |
Apply
directly to
leaf matter |
When they
appear |
Hand held
fine mist
sprayer |
Kills on contact
reduces numbers
overtime |
7 to 14
days |
Aphids
in rootzone |
R.T.U. 1 ml
to 2 litres
water |
Saturate
media or
add to tank |
Weekly |
Dose tank
directly or
spraying
rootzone |
Gradual decline
in
numbers |
14 days |
| Mealy Bug |
1 part R.T.U.
to 2 parts
water |
Apply
directly
at pest |
When they
appear |
Hand held
fine mist
sprayer |
Kills on contact |
7 to 10
days |
| Mosquito larvae |
R.T.U.
Undiluted |
Water
surface |
Spray When they
appear |
Hand held
fine mist
sprayer |
Kills on contact |
7 to 10
days |
| Thrips |
1 part R.T.U.
to 2 parts
water |
Apply
directly to
leaf matter |
When they
appear |
Hand held
fine mist
sprayer |
Kills on contact |
7 to 10
days |
| Algae Blooms |
R.T.U.
Undiluted |
Surface of
Growing
Medium |
When
outbreak
occurs |
Hand held
fine mist
sprayer |
Kills on contact
Wipe off |
7 to 10
days |
| Phytopthera |
1 part R.T.U.
to 2 parts
water |
Apply
directly to
leaf matter |
Weekly |
Hand held
fine mist
sprayer |
Kills on contact |
Ongoing |
| Botrytis |
1 part R.T.U.
to 2 parts
water |
Apply
directly to
leaf matter |
Weekly |
Hand held
fine mist
sprayer |
Kills on contact |
Ongoing |
Mould on
growing trays
and walls |
R.T.U.
Undiluted |
Spray
surface |
When
outbreak
occurs |
Hand held
fine mist
sprayer |
Kills on contact
Wipe off |
1 to 3
months |
| Pythium |
R.T.U. 1 ml
to 2 litres
water |
Saturate
media or
add to tank |
Weekly |
Dose tank
directly |
Gradual increase
in new root
growth and plant
health |
7 days |
| Powdery mildew |
1 part R.T.U.
to 2 parts
water |
Apply
directly to
leaf matter |
When
outbreak
occurs |
Hand held
fine mist
sprayer |
Kills on contact |
7 to 14
days |