
. Contributions from the Botanical Laboratory, vol. 11. Botany; Botany. /f/fr. A^^^^Z^ ;^.1^ ^h^J^J' K'^J^I^. .<v». ^â ^'" [»ffl»- 1 i THE EARLIEST ACCOUNT OF PLANT HYBRIDIZATION Figures 1 and 2 Under date of September 24, 1716, Cotton Mather wrote to James Petiver describing (paragraph 6) the "infection" of a yellow-seeded variety of maize by one having red and blue seeds. Whde Mather in this letter does not mention the infecting agent, his reference to the windward and leeward location of the rows leaves little doubt that he considered the wind-l)lown pollen to be
. Contributions from the Botanical Laboratory, vol. 11. Botany; Botany. /f/fr. A^^^^Z^ ;^.1^ ^h^J^J' K'^J^I^. .<v». ^â ^'" [»ffl»- 1 i THE EARLIEST ACCOUNT OF PLANT HYBRIDIZATION Figures 1 and 2 Under date of September 24, 1716, Cotton Mather wrote to James Petiver describing (paragraph 6) the "infection" of a yellow-seeded variety of maize by one having red and blue seeds. Whde Mather in this letter does not mention the infecting agent, his reference to the windward and leeward location of the rows leaves little doubt that he considered the wind-l)lown pollen to be the cause of this phenomenon. In 1721 ^rather specifically mentioned the "male sperm" which "fructifies the ; INTENTIONAL SECOND EXPOSURE. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original University of Pennsylvania. Botanical Laboratory; University of Pennsylvania. Morris Arboretum. Philadelphia : [s. n. ]
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Keywords: ., bookcentury1900, bookpublisherphiladelphiasn, booksubjectbotany