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Aphids
Small sap sucking insect that attacks new growth and flower
buds. (e.g. roses, citrus etc.). Clusters of green, brown or
pink insects on flower buds and young shoots.
Treat with Malathion, Rogor, Mavrik or Beat-a-Bug natural insecticide.
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Armyworm
(Also kown as Cutworm) Brown or green caterpillar that chews
through the stems of plants.
Treat with insecticide.
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Black Beetle
Damages plants from spring to early autumn by chewing through
the stems.
Best treated in September to October. If you have black beetles
at other times of the year, treat immediately with an insecticide.
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Cockchafer
Lawn grub that does damage in autumn. Patches of grass die
for no apparent reason. (Check your soil, sometimes the grubs
come to the surface).
Treat with an insecticide.
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Black Spot
Yellowish leaves that have black spots on them. Causes premature
leaf fall.
Control with fungicides such as Mancozeb Plus, Bayleton or
Benlate.
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Brown Patch
Irregular discoloured patches in the lawn a metre or more in
diameter.
Occurs in warm and humid conditions, usually in late spring,
summer and autumn.
Treat with fungicide (e.g.. Mancozeb Plus, Garden Fungicide)
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Citrus Leafminer
Curled leaves on citrus trees. Caused by the minute larvae
of a moth. The larvae does not kill the tree, but makes its
leaves unsightly.
Treat with an oil based product (e.g., Pestoil or Whiteoil).
The Moth will not lay eggs on an oily leaf.
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Dieback
Dark , dead areas on twigs and branches.
Remove infected twigs and spray with Mancozeb Plus.
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Dollar Spot
Small discoloured or grey patches in your lawn indicate a fungal
infection of your lawn. Occurs in warm and humid conditions,
usually in late spring, summer and autumn.
Treat with fungicide (e.g.. Mancozeb Plus, Garden Fungicide)
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Downy Mildew
Downy whitish tufts or spores and mycelia on the underside
of leaves. Common on cabbages, grapes, lettuce, onions, stocks
and vines. Especially in younger plants.
Treat with fungicide (e.g.. Mancozeb Plus)
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Lawn Beetle
Becomes active as the ground warms up.
Look for small mounds of dirt in your lawn. Fill bucket with
warm soapy water, pour over. If lawn beetle is present they
will come to surface.
Treat with Lawn-beetle Killer (granule or liquid)
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Lawn weeds
Look for weeds within your lawn that will come up from spring
onwards - warmer months. Check with your local nursery for the
correct lawn weeder treatment to make sure you only eradicate
the weeds and not your lawn.
CAUTION: Some lawns withstand only ONE treatment with lawn
weeder!
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Mealybug
White fluffy insects on underside of leaves and on new growth.
Not easy to control once there are more than just a few.
Wipe off leaves where possible and treat with Malathion, Rogor
or Beat-a-Bug natural insecticide.
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Mites
Clusters of tiny pin head sized, pinkish-red mites on the underside
of leaves cause yellowing or browning of leaves and premature
ageing. Often produce a fine spider web like webbing.
Control with miticides or insecticides like Rogor or Mavrik.
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Powdery Mildew
A white powdery coating on the upper and lower sides of leaves,
stems and buds. Becomes evident with the onset of leaf growth
and is most active in humid and warm conditions. The plants
prone to Powdery Mildew are calendula, grape vines, lagerstroemia
(Crepe Myrtle), roses, dahlia, zinnia and sweet pea.
This fungal infection can be controlled with fungicides such
as Mancozeb Plus, Bayleton or Benlate.
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Thrips
Small sap sucking insect, just visible to the naked eye. Attacks
new growth and flower buds.
Treat with Malathion, Rogor, Mavrik or Beat-a-Bug natural insecticide.
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