The Australian passionvine hopper is suspected of carrying the 'yellow leaf' disease which has killed so many cabbage trees in the North and northern South islands since the 1970s. A similar phytoplasma carried by planthoppers has now been identified in pittosporums and coprosma, and may also be affecting puriri trees and mamaku tree ferns. Below: A sadly too frequent sight; dying cabbage tree beside Lake Taupo. Leaves turn yellow and drop when the plant is infected by a disease organism carried from tree to tree by planthoppers.
MAVIS LESSITER
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Bibliographic details
Forest and Bird, Issue 291, 1 February 1999, Page 11
Word Count
89The Australian passionvine hopper is suspected of carrying the 'yellow leaf' disease which has killed so many cabbage trees in the North and northern South islands since the 1970s. A similar phytoplasma carried by planthoppers has now been identified in pittosporums and coprosma, and may also be affecting puriri trees and mamaku tree ferns. Below: A sadly too frequent sight; dying cabbage tree beside Lake Taupo. Leaves turn yellow and drop when the plant is infected by a disease organism carried from tree to tree by planthoppers. MAVIS LESSITER Forest and Bird, Issue 291, 1 February 1999, Page 11
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