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Using Refined Horticultural Oils on Home Fruit Trees

Using Refined Horticultural Oils on Home Fruit Trees
Since the turn of the century, growers have used oil sprays to control insects overwintering in fruit trees. Today’s superior horticultural oils are much lighter and faster-drying than the oils used in the past. The old oil sprays contained impurities which turned the leaves brown if sprayed on green foliage. Thus, the sprays were used only in the dormant season.
Format: PDF
Size: 58.6 KB
Creator: George Hamilton
Keywords: horticultural oils

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