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Ribes blister aphid: Feeding from these aphids causes leaf distortion, blistering and discolouration of foliage (red or sometimes yellow) and they are active now on crops. Eggs overwinter on plants emerging in spring, feeding into the summer months. Control with Decis, Hallmark WZT (EoA 2008-2944)...
Dull, damp weather - Watch for Botrytis on soft foliage and Rhizoctonia on bedding and cuttings. Check plants that may have been overwatered and maintain good air movement around foliage. Aquilegia - The small, green caterpillars of the aquilegia sawfly can cause a quick defoliation of plants....
Whitefly: Predators will struggle to control high numbers of whitefly adults. Order combinations of Encarsia and Eretmocerus when the scale stage is found. Hang cards away from sun and direct irrigation. Rotate sprays on ornamentals crops using Chess WG (EoA 2008-2834), Intercept 70WG, Majestik,...
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