SPIDER MITES, RED: Biological Controls

Ailments Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 7 years ago.

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A predator of Tetranychus uriticae is another mite named Phytoseinlus persimilis, which is slightly larger, orange in colour, and which feeds only on Red spider and is very effective; refer to OR81-219
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SPIDER MITES: Controls For the two-spotted variety, a list of eleven different brand names used in New Zealand, with their toxicity, and comments on their effects. NZ86-102Spray in the spring and fall with Pentac followed one week later with Kelthane, with a spreader-sticker added; apply it late in the day after heavy morning watering; use Kelthane 18.5% or Kelthane 35%WP for spider mites. OIE85My-3; OIE88Mar-6Use a triple-headed Fogg-itt nozzle for a massive spraying at two to four months intervals with Kelthane, Pentac, Plictran and Morestan. A88-256; use Metasystox-R 25%EC. A88-280 0
SPIDER MITES, RED: Humid Conditions Normally thought of as a deterrent, humid conditions do not keep it at bay, it infects many garden plants and bushes and is always near us, so spray at 10 to 14 day intervals with a new spray each time; scale and mealybug will also be checked. OR81-282 0

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