From the early 1900s, the flax fibre industry was threatened by yellow leaf disease, which caused healthy plants to die. Various remedies were tried but none was completely successful. Some varieties of flax were more resistant to the disease, however. Now yellow leaf is believed to be caused by a phytoplasma bacterium, carried by plant hopper insects.
Te whakamahi i tēnei tūemi
Photograph by Wanda Tate
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