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" But it must not be forgotten thut the conidia ripen in early summer ; and, if knots are seen in the spring, they should be cut off at once. Not only should diseased branches of cultivated cherries and plums be removed ; but all means should be taken to... "
The North American Entomologist - Página 15
editado por - 1880 - 104 páginas
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Report of the Secretary of Agriculture ...

United States. Department of Agriculture - 1885 - 760 páginas
...conidia ripen iu early summer, and, if tho knots are seen in the spring, they should be cut off at once. Not only should diseased branches of cultivated cherries...and the wild plum, in the neighborhood of orchards. As a supporter of this disease "the choke cherry is a most dangerous enemy and should be destroyed....
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Report of the Commissioner of Agriculture

Washintong Government Printing Office - 1885 - 746 páginas
...oonidia ripen in early summer, and, if tho knots are seen in the spring, they should be out off at once. Not only should diseased branches of cultivated cherries and plums be removed, but nil means should be taken to destroy the choke cherry, the bird cherry, and the wild plum, in the neighborhood...
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Sessional Papers - Legislature of the Province of Ontario, Volumen3

Ontario. Legislative Assembly - 1888 - 832 páginas
...the conidiospores ripen in early summer, if knots are seen in spring they should be cut away at once. Not only should diseased branches of cultivated cherries and plums be removed, but also the choke cherry, bird cherry, and wild plum in the vicinity of orchards be destroyed. Some recommend...
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Bulletin of the Bussey Institution

Bussey Institution - 1876 - 500 páginas
...conidia ripen in early summer ; and, if knots are seen in the spring, they should be cut off at once. Not only should diseased branches of cultivated cherries...particularly, the choke cherry can only be regarded as a pest. We notice that Mr. Emerson, in the new edition of his " Trees and Shrubs of Massachusetts," recommends...
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Bulletin of the Bussey Institution

Bussey Institution - 1876 - 498 páginas
...conidia ripen in early summer; and, if knots are seen in the spring, they should be cut off at once. Not only should diseased branches of cultivated cherries...wild plum, in the neighborhood of orchards. In New En-laud, particularly, the choke cherry can only be regarded as a pest. We notice that Mr. Emerson,...
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