Fruit

Fruit

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At tight branch crotches, small wounds can form from tree movement, resulting in ooze that is commonly seen in this location.

Fruit

Peach buds sliced in half, with the brown and dead flower ovary on the right killed by frost, and healthy flower on the left.

Fruit

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San Jose scale is an immobile insect that feeds on bark and fruit. Oil targets the overwintering nymphs on the bark.

Fruit

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Peach twig borer feeds on succulent twigs and ripening fruit. It overwinters on the bark, so the oil will smother the tiny larvae.

Fruit

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Fire blight infections on bark will ooze bacteria in spring. Copper prevents the bacteria from multiplying.

Fruit

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Fall cankerworm overwinters as eggs that can be suffocated by oil. The larvae can feed on fruit and leaves.