Fire-blight of apples and pears
By: H.N. Racicot
Contributors: Canada. Dept. of Agriculture
Series: Canada. Dept. of Agriculture. publication -- no. 659.; Circular -- 146; Revision of pamphlet -- 138
Publisher: Dept. of Agriculture
Published: 1940
Place of publication: Ottawa
Language: eng
Subjects: Brlure bactérienne; Pear; Poire; Fire-blight; Apples; Pomme; Maladies et fléaux; Diseases and pests