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    Biologische Bundesanstalt für Land- und Forstwirtschaft Archive (3)
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Image Subject Name Scientific Name Description
0454068 pear decline phytoplasma Candidatus Phytoplasma pyri Pear tree showing severe symptoms of decline due to pear decline phytoplasma.
0454045 apple proliferation phytoplasma Candidatus Phytoplasma mali AP-MLO Apple proliferation phytoplasma in apple cv. Golden Delicious, showing premature development of axillary buds resulting in a witches' broom near the apex of the main shoot in spring.
0660076 apple proliferation phytoplasma Candidatus Phytoplasma mali AP-MLO Enlarged stipules of apple leaf (cv. Golden Delicious), due to apple proliferation phytoplasma (healthy leaf on right).
0660077 apple proliferation phytoplasma Candidatus Phytoplasma mali AP-MLO Witches broom on apple (cv. Golden Delicious), due to apple proliferation phytoplasma.
0454046 apple proliferation phytoplasma Candidatus Phytoplasma mali AP-MLO Apple proliferation phytoplasma in leaves of apple cv. Golden Delicious, showing reduced lamina size and enlarged stipules; healthy leaf on left.
0454047 apple proliferation phytoplasma Candidatus Phytoplasma mali AP-MLO Fruits of apple cv. Jonathan affected by apple proliferation phytoplasma, showing marked reduction in fruit size; longer, thinner peduncles and shallower calyx end and peduncular cavities; healthy fruit on right.

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