Pear Leaf Blister Mite
Pear and other garden plants can be affected by Eriophyid mites. These mites cause blistering of pear leaves and some species cause a variety of symptoms on a range of other plants.
Pear Leaf Blister Mite are very tiny mites (0.1-0.2 mm). They feed on individual plant cells by sucking out the contents. They cause blistering of leaves and deformations (galls and withches broom) of stems.
In most cases control is not required becaue damage is not significant. However, in certain conditions high numbers can cause damage to new growth and fruiting of pears.
- Prevention - carry out a Winter Spray Programme in late winter including the use of Organic Super Sulphur and Organic Super Spraying Oil .
- Prune off and destroy badly affected shoots and branchlets.
- Apply Organic Super Sulphur at 7 day intervals. (Note: Sulphur may injure soft plants and cause russet on apples and pears in hot weather during the growing season).
Did you know
Other plants affected by Eriphyid mites include Kakabeek, Puriri, Grape, Silver Beech, Walnut, Coprosma and Ngaio. They cause a range of symptoms incuding fely patches under leaves, witches broom , galls, leaf blisters and bud distortion and death.
What are Adjuvants and Should You Use Them?
Adjuvants are substances that can be added to sprays to improve the spray’s performance. Those in agriculture, horticulture, nurseries and other commercial operators will be familiar with some adjuvants but should home gardeners also use such products?
Deals with Pear Leaf Blister Mite
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