Abstract
WE take advantage of a recent treatise on fig-culture to enlarge and correct what has hitherto been taught about the biology of the fig-tree and its insect guest, Blastophaga. Our new information is drawn from Dr. Ruggero Ravasini's “Die Feigenbaume Italiens” (Bern, 1911), which gives the results of a prolonged study made in Italy. The research has been directed by Prof. A. Tschirch, of Bern; for the detailed observations and experiments we have to thank Dr. Ravasini, who, in addition to his scientific attainments, enjoys the advantage of being an Italian, and thereby better able to win the confidence of Italian fig-growers. Fig-cultivators and all biologists who make a special study of the fig-tree will, of course, betake themselves to the original treatise, which is clear, interesting, well-illustrated, and not too lengthy. We shall here address ourselves to those biologists for whom a less complete exposition will suffice, at least for the moment.
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References
Die Feigenbéume Italiens und ihre Beziehungen zu einander. By Dr. Ruggero Ravasini . Pp. 174 + 6. (Bern: Max Drechsel, 1911.) Price 11 marks.
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M., L. The Biology of the Fig-Tree and its Insect Guest. 1 . Nature 90, 310–311 (1912). https://doi.org/10.1038/090310a0
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DOI: https://doi.org/10.1038/090310a0
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