Yellowing and distorted leaves, stunted growth
and an unsightly black sticky substance on the plant may mean that you have
aphids. Aphids feed on a wide range of plants, and in severe cases the plant
fails to thrive. As they feed, they secrete a sticky substance, called honeydew, which
quickly becomes infested with black sooty mold. They
also spread viruses, many of which are incurable..
Imidacloprid (Merit®) insecticide.Volck® Supreme horticultural oil.
Remove with alcohol-saturated cotton swab, or wash plants with soapy water and a
soft brush or cloth. Thoroughly wash undersides of leaves where pests may also
reside. Scales still cling to the leaves or stems even after they die.
Insecticides for Gardenia Insect Pest Control (Acephate )-( Bifenthrin)-(
Carbaryl)-( Cyfluthrin)-( Dinotefuran) –( Horticultural oil2)-(Imidacloprid)-(
Malathion)-( Neem oil)- Spinosad) –( Pyrethrin)..