Yearbook of the United States Department of Agriculture 1905 . The Miami Pineapple. <Eye« natural Size, Section of Fruit One-Half Natural NEW FRUIT PRODUCTIONS OF THE DEPARTMENT. 285 The experiments were not - sufficiently extensive to determine thedegree of self-sterility. It will be noticed that the crosses of Pernam-buco with Porto Rico previously mentioned gave no seeds in 72 crossedflowers, while 44 self-fertilized Pernambuco flowers gave 4 seeds. The hybrid seed obtained in the course of the crossing experimentswas planted in a greenhouse at Washington, D. C, and the younghybri
Yearbook of the United States Department of Agriculture 1905 . The Miami Pineapple. <Eye« natural Size, Section of Fruit One-Half Natural NEW FRUIT PRODUCTIONS OF THE DEPARTMENT. 285 The experiments were not - sufficiently extensive to determine thedegree of self-sterility. It will be noticed that the crosses of Pernam-buco with Porto Rico previously mentioned gave no seeds in 72 crossedflowers, while 44 self-fertilized Pernambuco flowers gave 4 seeds. The hybrid seed obtained in the course of the crossing experimentswas planted in a greenhouse at Washington, D. C, and the younghybrid plants were grown until they reached the size of 6 or 8 inchesin height, when they were shipped to Miami, Fla., and planted in theDepartments Subtropical Garden at that place, where they have beengrown and fruited. The first seeds were planted in the summer of1897, and the seedlings grown from these seeds gave their first fruitsin 1901. A considerable number of them fruited that year, whichshows that only four years are required ordinarily for seedling pl
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Keywords: ., bookcentury1900, bookdecade1900, booksubjecttobacco, bookyear1906
