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Page 159
That varieties grown in the field differ greatly in their susceptibility to this aphid is shown in the following table . TABLE I FIELD COUNTS OF Amphorophora rubi KALT . , MADE UPON TEN RED RASPBERRY VARIETIES IN 1936 Variety Antwerp ...
That varieties grown in the field differ greatly in their susceptibility to this aphid is shown in the following table . TABLE I FIELD COUNTS OF Amphorophora rubi KALT . , MADE UPON TEN RED RASPBERRY VARIETIES IN 1936 Variety Antwerp ...
Page 227
Three small and one large field tests of Epsom salts bait in comparison with bait made with standard poisons have just been ... in infested alfalfa fields and gardens in comparison with the regular mixtures made with sodium arsenite .
Three small and one large field tests of Epsom salts bait in comparison with bait made with standard poisons have just been ... in infested alfalfa fields and gardens in comparison with the regular mixtures made with sodium arsenite .
Page 374
This past season , laboratory and field experiments have proven beyond a doubt that the disease which is known locally as " pouts " is caused by the common potato or bean leafhopper . This disease appears first as a distinct blackish ...
This past season , laboratory and field experiments have proven beyond a doubt that the disease which is known locally as " pouts " is caused by the common potato or bean leafhopper . This disease appears first as a distinct blackish ...
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Contents
VOL LXXXVI | 1 |
Electrolytes Theory of D A MACINNES 23 | 7 |
KNIGHT H G Biological Specimens 333 | 12 |
58 other sections not shown
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Bibliographic information
| Title | Science |
| Editor | John Michels (Journalist) |
| Contributor | American Association for the Advancement of Science |
| Published | 1937 |
| Original from | University of Minnesota |
| Digitized | 17 Dec 2019 |
| Export Citation | BiBTeX EndNote RefMan |