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Sex Transformation in Pine Hybrids

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Reproductive organs were induced in 2-year-old Pinus griffithii X Pinus strobus seedlings by a combination of temperature and fertilizer treatment, and a number of the microsporangiate strobili changed into hermaphroditic strobili. Similar results were observed in three successive years. Sex transformation in some instances progressed far enough to produce viable seed following pollination of bisporangiate cones.
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Document Type: Journal Article

Affiliations: Associate Professor of Forest Genetics, Yale School of Forestry, New Haven, Conn.

Publication date: 01 September 1963

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