10 21 potted plant diseases

22
Potted plant diseases Plant: Spider Plant Term: Pot-bound

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Page 1: 10 21 Potted Plant Diseases

Potted plant diseases

Plant: Spider Plant

Term: Pot-bound

Page 2: 10 21 Potted Plant Diseases

Spider Plant

• Genus: Chlorophytum• Indirect Light• Keep Evenly Moist• Tolerates low humidity• Grows best between 50 -75• Scale, spider mites, & whiteflies are

problems• Cut off babies & root them

Page 3: 10 21 Potted Plant Diseases

Pot-bound

• A condition where the roots have outgrown their container and spiral around until all of the soil is displaced.

Page 4: 10 21 Potted Plant Diseases

Disease and Insectscontrol pests by recognizing

and controlling them on the plant

Page 5: 10 21 Potted Plant Diseases

Common plant pestsaphidswhite fliesmealy bugsmitesscale

Page 6: 10 21 Potted Plant Diseases

Aphidssmall green insects with

piercing mouthscalled plant licesuck plant juices from the

plant

Page 7: 10 21 Potted Plant Diseases

Aphidswork on stem and underside

of leavesleaves become sticky with

“honey-dew”causes growth of black sooty

mold

Page 8: 10 21 Potted Plant Diseases

Aphidsleaves curl, disfigure, turn

yellowuse Orthene or insecticidal

sopa

Page 9: 10 21 Potted Plant Diseases

White Flysmall white, winged, sucking

insectsworks on underside of leaves

Page 10: 10 21 Potted Plant Diseases

White Flyheavy egg producersinfestation can occur quicklyeggs laid on underside of

plant leaves

Page 11: 10 21 Potted Plant Diseases

White Flycause plant to turn yellowhave mottled appearance -

spottyWhite Flies will leave the plant

when the leaves are moved

Page 12: 10 21 Potted Plant Diseases

Mealy Bugssucking insectwhite , woolly

mass, like a ball of cotton

works on the underside of the leaves

Page 13: 10 21 Potted Plant Diseases

Mealy Bugssucking juices gives plant a

faded yellow appearancecontrol by swabbing the insect

with a q-tip dipped in alcoholremoves insect from plant

Page 14: 10 21 Potted Plant Diseases

Mitessmall spider like insects on

bottom side of leavessuck juices causing plant to turn

yellowcannot be seen easily with the

naked eye

Page 15: 10 21 Potted Plant Diseases

Miteshold a white piece of paper

under leaf and tap the leaveslook for spider like insects

moving on the paper

Page 16: 10 21 Potted Plant Diseases

Miteswipe across the paper with

your fingerif mites are present, there will

be a red smearcontrol with Kelthane or

Orthane

Page 17: 10 21 Potted Plant Diseases

Scalewhen mature, attack stems in

a clustersmall white gray lumps - oval

shapeplant turns yellow, loses vigor

Page 18: 10 21 Potted Plant Diseases

Scalesticky sap appearance on

plantremove with soapy water spray with Malathion or

Orthane

Page 19: 10 21 Potted Plant Diseases

Botrytiscommon diseaseleaves turn black and develop

a gray mold and will eventually rot off

Page 20: 10 21 Potted Plant Diseases

Botrytisprovide good air circulationuse a fungicide - Benlate

Page 21: 10 21 Potted Plant Diseases

Mildewcommon diseaseleaves get a heavy white

coatingfungicide - Benlate

Page 22: 10 21 Potted Plant Diseases

Insecticidescan be purchased in most

storesread the label for applications

and directionsInsecticidal soaps are the

safest and least toxic