Garden Plant diseases symptoms and remedies.

(leaves with holes)

Plants affected: almost any plant is affected.

Symptoms:  Colonies of small round bodied black,green,pink,red,yellow or variously coloured aphids. Mostly wingless but some winged individuals as well.           

Treatment: Spray thoroughly with systemic insecticide.

(leaves with holes)

Plants affected: Cabages,brussel sprouts and other brassicas.

Symptoms: Whiteflies beneath leaves.

Treatment: Spray infected plants.       

(leaves with holes)

Plants affected:Many different greenhouse and houseplants, especiallysucculents,hippeastrums,vines,camellias,citrus,coleus and orchids.

Symptoms: Small pink insects covered with woolly or mealy white wax on leaves.   

(leaves with holes)

Plants affected:Many different plants, especially bay laurels,camellias,citrus and ferns. Particularly troublesome in greenhouses.

Symptoms: Flat or rounded brown scales, mainly on the underside of the leaves and generally along the veins.  

Treatment: Spray thoroughly with systemic insecticide.

(leaves with holes)

Plants affected:Many different plants, especially shrubs and trees

Symptoms: Irregular pieces of leaf eaten, often leaving large holes.  

Treatment: Locate and remove caterpillars if possible, or spray thoroughly  with trichlorphone,BHC,malathion or derris as soon as symptons are seen.

(leaves with holes)

Plants affected:Clematis,dahlias and some other plants.

Symptoms: Irregular tattered holes eaten in leaves.

Treatment: Spray or dust with BHC.