Potato Aphids (Classic Reprint) - Tapa blanda

Sinopsis

Excerpt from Potato Aphids

The role of aphids as carriers Of certain degeneration dis eases Of plants emphasizes the need Of explicit attention to the habits Of the species concerned. It serves-a double convenience to have such material organized with particular reference to plant relationships. In accordance with that plan this paper is con cerned only with those aphids that have been reported to infest the potato and other plants belonging to the same family.

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