6 



CONTENTS, 



! * : '? i .* *' ' / Page. 



Less important diseases _'.i^ii_-J__lil 37 



Fungi attacking the fruit 37 



Synchytrium vaccinii Thomas 37 



Pestalozzia guepini vaccinii Shear 38 



Pestalozzia </uepini Desm 39 



Helminth osporium inaequalis Shear 39 



Gloeosporium minus Shear k 40 



Sporonema oxycocci Shear 41 



Arachniotus trachyspermus Shear 41 



Septoria longispora Shear 42 



Sphacroiicma pornorum Shear '. 42 



. Phyllosticta putrefaciens Shear 43 



Anthostomella destruens Shear 43 



Penicillium glaucum Link 43 



Leptothyrium pomi (Mont) Sacc.? 44 



Fungi occurring on the leaves or stems 44 



Venturia compacta Peck 45 



Sclerotinia oxycoccl Wor?_^ 45 



Discosia artocreas. (Tode) Fr : 40 



PlagiorhaMus oxycocci Shear 40 



'Sporon&tna pulvinatum Shear 40 



Rhabdospora oxycocci Shear 47 



Leptothyrium oxycoccl Shear 1 47 



Ceuthospora (?) lunata Shear 47 



Valsa delicatula C. & E 48 



Cladosporium oxycocci Shear 48 



Plectrothrix globosa Shear 48 



Chondrioderma simplex Schroet 48 



Epicoccum 49 



Diplodia 49 



Chaetomium 49 



Oospora 49 



Macrosporium 49 



Preventive and remedial measures _ 49 



Regulation of the water supply 49 



Destruction of diseased vines 50 



Selection and breeding of resistant plants _ 50 



Application of fungicides 50 



Bordeaux mixture 51 



Preparation and application 52 



Cost of spraying 53 



Summary ^ 



Bibliography of cranberry diseases 55 



Description of plates 58 



Index 61 



110 



