Science, Том 109John Michels (Journalist) American Association for the Advancement of Science, 1883 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 117
... plants for this study . They were th the two viruses either simultaneously or f one and four days . Controls consisted of ted with only one virus . The macroscopic tobacco etch usually developed from one to efore those of tobacco mosaic ...
... plants for this study . They were th the two viruses either simultaneously or f one and four days . Controls consisted of ted with only one virus . The macroscopic tobacco etch usually developed from one to efore those of tobacco mosaic ...
Стр. 329
... plants were in 4 - gal glazed crocks and the sand of the fruiting zone was held in asphaltum - coated metal pans . A complete nutrient solution ( 1 ) was applied to the sur- face of both zones of the plants . When necessary , solu- 4.25 ...
... plants were in 4 - gal glazed crocks and the sand of the fruiting zone was held in asphaltum - coated metal pans . A complete nutrient solution ( 1 ) was applied to the sur- face of both zones of the plants . When necessary , solu- 4.25 ...
Стр. 589
... plants , variety Bonnie Best , were sprayed to run - off in duplicate with each suspension . The treated plants , in a greenhouse , failed to grow for FIG . 1. Effect of maleic hydrazide on the growth of tomato plants . Plant at right ...
... plants , variety Bonnie Best , were sprayed to run - off in duplicate with each suspension . The treated plants , in a greenhouse , failed to grow for FIG . 1. Effect of maleic hydrazide on the growth of tomato plants . Plant at right ...
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