. The fruit-growers guide-book. Branch of pear infected with blig-ht through the flowerclusters. 170 The Fruit-Growers Guide-Book known 1o attack the plum. It is known by a variety ofnames, such as twig blight, fire blight, blossom blight, is a bacterial disease, the organisms working entirelywithin the host, where it cannot be reached by any sprayor wash that may be Body of pear tree infected with blig-ht through the care-less removal of a limb. Pruning tools should be sterilized,likewise the wounds, and then covered with paint, Avax ortanglefoot. The disease usually appears


. The fruit-growers guide-book. Branch of pear infected with blig-ht through the flowerclusters. 170 The Fruit-Growers Guide-Book known 1o attack the plum. It is known by a variety ofnames, such as twig blight, fire blight, blossom blight, is a bacterial disease, the organisms working entirelywithin the host, where it cannot be reached by any sprayor wash that may be Body of pear tree infected with blig-ht through the care-less removal of a limb. Pruning tools should be sterilized,likewise the wounds, and then covered with paint, Avax ortanglefoot. The disease usually appears on trees at just the timethey are in bloom, as the organisms causing the diseaseare carried from tree to tree by the bees and other insectswhich visit the flowers. They may also be transported byiiumerous kinds of leaf feeding insects and thus be carriedto the twigs of many trees which are not in bloom. When Plum Pockets 171 the leaves and blossoms are attacked by this blight theyare turned a very dark or even black color very the disease has advanced far enough as to attackthe limbs or even the trunks of the trees, it causes a watersoaked appearance of the wood and bark, followed byshrinking and cracking of the bark from which drops of asticky substance may exude. These drops are masses ofthe germs and may be carried by insects to other trees andthe disease ext


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfruitculturefromoldc