Pests and Diseases

Post on 23-Feb-2016

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Pests and Diseases. Aphid – Adult stage. Fungus Gnat – Adult stage. Leaf Miner – Adult stage. Mealy Bug – Adult stage. Scale – Adult Stage. Snail/Slug – Adult Stage. Spider Mite – Adult Stage. Thrip – Adult Stage. Whitefly – Adult Stage. Anthracnose - damage . Black Spot – damage. - PowerPoint PPT Presentation

Transcript of Pests and Diseases

Pests and Diseases

Aphid – Adult stage

Fungus Gnat – Adult stage

Leaf Miner – Adult stage

Mealy Bug – Adult stage

Scale – Adult Stage

Snail/Slug – Adult Stage

Spider Mite – Adult Stage

Thrip – Adult Stage

Whitefly – Adult Stage

Anthracnose - damage

Black Spot – damageSymptoms:Yellowing of leaves or tissue deathPremature leaf dropGeneral decline in the growth and vigor of the plant

Botrytis – damageSymptoms: Brown plant tissue Blights bumps or cankers Fruit or bulb rot or end rot

Damping Off - damageSymptoms:appear water soaked and slimy. Sometimes mycelium can be seen on dew-covered grass in early morning. The dead tissue may mat together somewhat like paper-mache and form a crust over the soil surface.

Mosaic Virus – damageSymptoms:Often these leaves will also be curled upward, or appear as if their growth has been stunted. Typically these leaves will have yellowish spot on them, adding to their mottled appearance. If cucumber fruits are affected they will vary in color from light green to dark green mottled areas and some which pale to white. Affected areas of the curcurbit family plants may also be covered with warts or alternately the skins may be have faded and be very white and smooth.

Powdery Mildew – damage

Symptoms:Stunting or distortion of leaves, buds, growing tips and fruitYellowing of leaves or tissue deathPremature leaf dropGeneral decline in the growth and vigor of the plant