Controlling Orchid Pests & Diseases

CONTROLLING PLANT PESTS & DISEASES

Norberto R. Bautista

Growing Quality Plants

• As a gardener, we are often faced with problems like pests and diseases which either damage or kill our valued plants…

TIPS IN PLANT GROWING

• Choose plants carefully before you buy

• Look for insects, insect damage, signs of diseases (viruses, fungus, bacterial rot), snails …

• if there is … DO NOT BUY!

TIPS IN PLANT GROWING

• Quarantine newly acquired plants before mixing them with your collection

TIPS IN PLANT GROWING

• Wash and sterilize all pruning / cutting instruments

• USE soap and running water• Rubbing Alcohol 70%• saturated tri-sodium phosphate

(TSP) solution

TIPS IN PLANT GROWING

• Learn to identify common orchid/plant pests and diseases and how to control them

TIPS IN PLANT GROWING

• Regularly check your plants in the garden or nursery -->

• See to it if they need watering, fertilizing, pest control – and most of all, tender loving care.

TIPS IN PLANT GROWING

• Clean your plants --> remove all dried, yellowing or rotting parts.

• Also remove weeds.• Sanitation is a good way to make

plants healthy.

TIPS IN PLANT GROWING

• spray fungicides during rainy season … especially during monsoon rains ( syam-syam) or before onset of typhoons.

• Common Fungicides used: DITHANE, CAPTAN, FUNGITOX

TIPS IN PLANT GROWING

• when in doubt, do not water• during rainy season, if possible,

add plastic roofing to your nursery• during summer, water plants

properly… make sure all soil are wet … and let excess water drip out … make sure pots have sufficient drainage holes.

TIPS IN PLANT GROWING

• spray insecticide only when necessary - to control insect infestation.

• know the type of insecticides and their target insects – systemic (e.g. LANNATE, SEVIN), contact, stomach poison

• Take NOTE of their color label GREEN, YELLOW, OR RED.

TIPS IN PLANT GROWING

• Properly space plants from each other, thus allowing air-movement,

• allow proper lighting. Know which plants are for shade, partial shade and full sun.

TIPS IN PLANT GROWING

• regularly fertilize plants• see the NPK requirements of your

plant. in slow-release form?• Micronutrients / trace elements• Calcium nitrate • Magnesium sulfate

SCALES

MEALY BUGS

MEALY BUGS

APHIDS

ORCHID WEEVILS

CATERPILLARS

FOLIAR NEMATODES

SNAILS

SLUGS

ANTS

COCKROACHES

SPIDER MITES

RODENTS / RATS

BIRDS (MAYA)

PHALAENOPSIS LEAF ATTACKED BY FUNGUS

VIRAL DISEASESDiseases

DiseasesViruses on Leaf

Magandang Hapon po!

•THANK YOU FOR LISTENING!!!