Apple Powdery Mildew and Its Control in the Arid Regions of the Pacific NorthwestU.S. Department of Agriculture, 1918 - 28 páginas Of control measures -- Dormant sprays. pp. 23. |
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Página 11
... ground and directed against the interior parts of the trees and upward ... sulphur , 34 ° Baumé , diluted 1 to 50 . Formula 2. - Commercial lime ... material against American gooseberry mildew at Heston , England , but a complete report ...
... ground and directed against the interior parts of the trees and upward ... sulphur , 34 ° Baumé , diluted 1 to 50 . Formula 2. - Commercial lime ... material against American gooseberry mildew at Heston , England , but a complete report ...
Página 12
... material it should be added after the acid . Colloidal sulphur spray made up in this manner analyzes approximately ... ground sulphur material of the following composition : Water , 41.44 per cent ; sulphur , 55.15 per cent ; organic ...
... material it should be added after the acid . Colloidal sulphur spray made up in this manner analyzes approximately ... ground sulphur material of the following composition : Water , 41.44 per cent ; sulphur , 55.15 per cent ; organic ...
Página 17
... sulphur solution was applied late in July to fruit which had no sulphur ... ground sulphur material had been substituted for the iron sulphid used the ... sulphur preparations during the season of hot , burning sunlight , the experiments ...
... sulphur solution was applied late in July to fruit which had no sulphur ... ground sulphur material had been substituted for the iron sulphid used the ... sulphur preparations during the season of hot , burning sunlight , the experiments ...
Página 22
... sulphur on healthy parts act in a protective manner against potential ... material tested . The uniformly excellent con- trol established by its use ... ground sulphur materials , and the sodium - sulphur materials , from one - fourth to ...
... sulphur on healthy parts act in a protective manner against potential ... material tested . The uniformly excellent con- trol established by its use ... ground sulphur materials , and the sodium - sulphur materials , from one - fourth to ...
Palavras e frases frequentes
50 gallons ammoniacal copper carbonate appearance APPLE POWDERY MILDEW apple scab application of sulphur ascospores Ballard and Volck Baumé Ben Davis apple Black Ben Davis blossom Bordeaux mixture burning sunlight cent colloidal sulphur color conidia control established crease crop of fruit diluted disease dormant spray effect felted mycelium foliage infection Formula free sulphur fruit burning fruit injury fungicidal fungus gallons of spray gallons of water ground sulphur material growing season growth hot weather iron sulphate Jonathan trees July 15 June 11 lead arsenate leaf lime-sulphur solution Maxi mildew control mildew infection orchards overwintering Pajaro Valley perithecia plat Podosphaera leucotricha polysulphid pounds to 50 pruning Pryor Red trees Pryor Red variety Slight sodium-sulphur spores spray material sprayed with lime-sulphur sprays applied Stayman sulphids sulphur injury sulphur spotting sulphur sprays susceptible temperatures terminal tion U. S. Dept Volck 12 Wash Wenatchee Valley Winesap