Identifier: cu31924053956946 (find matches)
Title: The standard cyclopedia of modern agriculture and rural economy, by the most distinguished authorities and specialists under the editorship of Professor R. Patrick Wright ..
Year: 1908 (1900s)
Authors: Wright, Robert Patrick, 1857- ed
Subjects: Agriculture
Publisher: London, The Gresham publishing company
Contributing Library: Cornell University Library
Digitizing Sponsor: MSN

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es in winter, and by spraying withBordeaux mixture (see Fungicides) just beforethe flowers open, and again after they havefallen. This treatment would at the same timeprevent other leaf fungi sometimes found oncherry, such as Powdery Mildew (see Apple),Rust (see Plum), and several species whichcause shot-hole perforation of the leaves. Fruit Rot.—The usual form is Brown Rot,due to Monilia fructigena, an enemy of manyfruit crops (see Apple). The flower is attacked,whole branches becoming coated with greyishmasses of spores, whereas neighbouring trussesare untouched. Other signs of this disease arethat shrivelled flowers, stunted fruits, and afew withered leaves remain hanging on thetwigs; there is usually also a large amountof immature dead wood. Salmon found thegreatest destruction on acid cherries; he re-stored trees to health in two seasons by spray-ing with Bordeaux mixture before and afterflowering; emphasis is also laid on cutting outand burning diseased twigs before the leaves
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Cherry Scab Brown scabs on the fruit caused by Fimcladium ceraat(By permission of Board of Agriculture.) fall in autumn. This treatment will also beeflfective as a remedy for Cherry Scab (Fusi-cladium cerasi), a minute fungus which hasfrequently caused much injury to the fruit. Branch and Stem Diseases. — Witchesbrooms are common on wild cherry trees; theyare dense hanging masses of twigs with upturnedends, and bear leaves but no fruit. Youngleaves bear the asci of Exoascus cerasi, an As-comycete (see Fungi). These branches may beremoved by pruning. Gummosis is a form of canker frequentlyfound on Cherry, Peach, and other species ofPrunus. The first symptom is oozing of gumfrom the bark, and this accumulates to formlarge sticky masses. Cavities filled with gumare also formed in the bark and wood, and thelatter becomes much darker in colour. If gum-mosis proceeds far enough the passage of sapceases, and the branch dries up during winteror even in summer. The first cause is probablywou

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