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Symptom Cause Treatment Scab Fungus Bordeaux or lime-sulphur Leaf spot Fungus Bordeaux, also gather and burn diseased leaves Leaf curl Leaf curl fungus Lime-sulphur or Bordeaux Canker Freezing or rot fungus Cut out and destroy dis- eased parts Rust Rust fungus Bordeaux, also cut out cedarapplesBordeaux Wilt Fungus Twig blight Fungus Lime-sulphur, also cut out and burn diseased parts Mildews Mildew fungus Sulphur dust, also burn leaves in autumn Fruit rot Anthracnose fungus Bordeaux Smut Smut fungus Bordeaux Tip burn (leaves) Too much water fol- Watch soil conditions lowed by hot weather Scald Freezing and thawing or |
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