VIRUS DISEASE IN TOMATOES

Press, Volume LXXVIII, Issue 23807, 28 November 1942, Page 4

VIRUS DISEASE IN TOMATOES

EXTENSIVE APPEARANCE 1 REPORTED "One of the most serious tomato djjj eases, both because of the heavy los it produces and the difficulty °f a PP.L ing control measures, is again show b up very extensively in the commerc tomato-growing areas of Chnstclmrcn this season," said Mr A. R- Grams, | orchard instructor of theJ{ e e ar rf of Agriculture, yesterday, v- * The disease, he said, was the vf disease known as spotted win, an had been reported by the Plant eases Division, Auckland, thaw disease attacked, besides the tw* l ’ asters, anemones, chrysanthemum*, dahlias, iceland poppies, lettuces, . bacco plants, zinnias, and black mi shade. . , u . ait. "Production of tomatoes m tM trict is liable to be seriously reQU ' Mr Grainger said. spraying methods are useless for . trol, and practically the °njy inattack is eliminating the sources fection as soon as they are discoVWCj* x diseased plants should be Pm*”:.! m and burned. The disease is spreao other host plants by the common (a small insect). x Mr Grainger said that / could be recognised by one or inP»» the following symptoms: stummi growth, downward curling or leaves just below the a P or face of youngest leaves bronz a f black, and marked with chocolate-coloured. patches, jitef leaves developing dark spots ana w large brown patches of dead .