 De Bary. Observations were undertaken by Mr. Arthur Shipley, under the auspices of the Royal Gardens. The favoring atmospheric conditions are heavy dews or rains, followed by warm, moist, calm weather, and the absence of direct sunshine and cold winds....  Botanical Gazette - Страница 2841887Пълен достъп - Информация за книгата
 | Cambridge Philosophical Society - 1889 - 416 страници
...upon the leaf of the onion plant. The atmospheric conditions which favour the progress of the disease are heavy dews or rains followed by warm, moist, calm...and the absence of direct sunshine and cold winds. In favourable weather the progress of the disease is very rapid. The fungus lives in the tissues of... | |
 | 1887 - 514 страници
...are favourable to the development and growth of the fungus, and hence to the progress of the disease, are heavy dews or rains followed by warm, moist, calm weather, and the absence of direct sunlight and strong winds. Shady and sheltered spots are usually the most liable to be attacked. The... | |
 | 1887 - 366 страници
...SfMeideniana De Biry. Observations were undertaken by Mr. Arthur Shipley, under the auspices of the Royal Gardens. The favoring atmospheric conditions are heavy...possible to resist attack, and, to prevent spreading, all affected plants should be collected and burned. Diseased plants may be treated with a mixture of powdered... | |
 | 1887 - 370 страници
...ScMeideniana De Bary. Observations were undertaken by Mr. Arthur Shipley, under the auspices of the Royal Gardens. The favoring atmospheric conditions are heavy...possible to resist attack, and, to prevent spreading, all afiected plants should be collected and burned. Diseased plants may be treated with a mixture of powdered... | |
 | 1887 - 512 страници
...are favourable to the development and growth of the fungus, and hence to the progress of the disease, are heavy dews or rains followed by warm, moist, calm weather, and the absence of direct sunlight and strong winds. Shady and sheltered spots are usually the most liable to be attacked. The... | |
 | Cambridge Philosophical Society - 1886 - 930 страници
...upon the leaf of the onion plant. The atmospheric conditions which favour the progress of the disease are heavy dews or rains followed by warm, moist, calm...and the absence of direct sunshine and cold winds. In favourable weather the progress of the disease is very rapid. The fungus lives in the tissues of... | |
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