Abstract

PLANT PROTECTION, LTD., has recently issued two useful wall charts illustrating common and important crop diseases and pests. Both charts are beautifully produced in colour, depicting parts of the plants diseased and the insects where such are concerned. One is entitled "Some Crop Pests and Diseases" and illustrates and describes the following : tomato blight, celery leaf-spot, celery leaf miner, cabbage white caterpillar, black aphis, potato blight, carrot fly, turnip flea beetle, onion mildew, chocolate spot of broad bean, mole cricket, locust, pea and bean weevil, leatherjacket, wireworm, cutworm. The other, "Pests and Diseases of Apples", deals with brown rot, woolly aphis, sucker, apple and pear scab, winter and March moths, sawfly, capsid bug, codling moth, apple blossom weevil and apple mildew. Methods of prevention or protection are shortly described in each case. These wall charts will be a valuable visual aid for schools and agricultural colleges and institutes, which can obtain copies free of charge from Plant Protection, Ltd., Yalding, Kent.

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