Watermelon Wilt
The wilt which sometimes affects watermelons is caused by a variety of Necosmospora vnsinfecta; the disease spores enter through wounds, it grows rapidly in the flbro-vaseular bundles of the plant, and on spreading to the stem, in a short time plugs the ducts of the bundles interfering with the water supply. This effect of cutting off the water is the same n.s a prolonged drought. The leaves wilt, dry and tall. In some cases the disease causes a dwarfed appearance but docs not kill the plant. |t may. however, be readily detected by splitting the stem, which if affected by the disease will show a dark discoloration. The spores retain their vitality in the soil for a long time, and may lie carried to other localities.
troy all diseased plants as soon as thev* Infill to wilt. Burn old plants after cropping and rotate crops as a measure of eontvol.
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Bibliographic details
New Zealand Herald, Volume LXXIV, Issue 22628, 16 January 1937, Page 10 (Supplement)
Word Count
152Watermelon Wilt New Zealand Herald, Volume LXXIV, Issue 22628, 16 January 1937, Page 10 (Supplement)
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