Bacillus thuringiensis, generally referred to as Bt or Bt toxin – is a soil bacterium.
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Bacterial disease common to stone fruits (cherry, plum, peach).
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Bacterial leaf blight occurs when the tree is in soil that is too moist.
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Bark cracks can have several causes.
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Bark nodules are found on trees with a smooth trunk, for example: beech, ash, elm.
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Barnyard grass is an annual plant from the grass family.
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Basil is a perennial but is usually grown as an annual. They are beautiful not-winter-hardy plants, whose fresh green leaves are used in cooking.
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Hedge bindweed and Field bindweed belong to the bindweed family. They are perennials that climb up fences, branches and shrubs. These bindweeds are among the most difficult pests to remove.
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Birch is a tree in the birch family. Birches are hardy and can be found anywhere in the Northern Hemisphere.
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The bi
rch catkin bug belongs to the seed bugs and lives primarily on
birch.
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