Whiteflies - Knowledgebase Question

Cathedral City, CA
Question by CLUBJAVA
December 26, 1999
I have whiteflies. Can you tell me what to use to get rid of them?


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Answer from NGA
December 26, 1999

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Whiteflies are attracted to the color yellow. You can purchase or make yellow "sticky" traps from yellow cardboard smeared with petroleum jelly. They fly to it and get stuck.

Soapy water sprays are another possibility. Use 1 to 2 tablespoons of liquid detergent soap per gallon of water. Use regular strength soap, rather than concentrated. Don't use soaps with lemon, as the citric acid can burn plants. Start with the lower amount and work up as needed. Spray as often as needed. As with any spray you might wish to test it on a few leaves first before you treat all your plants. Spray early in the morning before the sun heats up.Next on my list would be an insecticidal soap spray.

The insecticidal soaps are made from plant-derived fatty acids and target soft-bodied insects. There's really no way you can target the bad guys without fallout on the good guys. If you can regularly monitor and tolerate some damage to your plants, over time Mother Nature strikes a balance, with the beneficials coming in to control the bad guys. I hope this information helps!


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