Nature, Volume 101Sir Norman Lockyer Macmillan Journals Limited, 1918 |
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Página 47
... Nosema apis is not the cause of any bee disease , just as it has led unscientific observers to the belief that " Isle of Wight disease " must be the cause of every case of extensive mortality in their apiaries , when no other obvious ...
... Nosema apis is not the cause of any bee disease , just as it has led unscientific observers to the belief that " Isle of Wight disease " must be the cause of every case of extensive mortality in their apiaries , when no other obvious ...
Página 48
... Nosema apis can be prevented or remedied , and the test of the success of any experiment to cure an affected colony must include , first , the determination of the presence of the causal organisms ; secondly , the elimination of any ...
... Nosema apis can be prevented or remedied , and the test of the success of any experiment to cure an affected colony must include , first , the determination of the presence of the causal organisms ; secondly , the elimination of any ...
Página 103
... Nosema apis has no causal connection with the " Isle of Wight disease , " and also of the importance of the subject , further investigation is urgently needed . The impression left on the present writer was that Nosema apis , when found ...
... Nosema apis has no causal connection with the " Isle of Wight disease , " and also of the importance of the subject , further investigation is urgently needed . The impression left on the present writer was that Nosema apis , when found ...
Índice
Smith Sir Swire 49 The Ethnological Affinities of the Natives of H Bal | 8 |
Geography Practical Essentials of B C Wallis 364 in the F J W Whipple 359 in France Rainfall | 10 |
Whiting Dr A L Soil Biology 61 Nova in Monoceros 52 A Star with a Nova Spectrum | 12 |
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