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Page 30 · DO #457 · 204_Popenoe_Bx33FF27r
- Collection
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Wilson Popenoe (1892–1975) family papers
- Item/Folder
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The Pineapple - manuscripts, notes on various tropical fruits - chapter in outline for proposed book with Herbert Wolfe, n.d.
- Digital Object
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DO #457,
page 30
- Collection-level dates
- 1882–1975
Page transcription
Furthermore, it takes a minimum of 4 years for a seedling to mature a fruit. Hence vegetative propagation is used exclusively, resulting in plants true to type and maturing fruit in 2 years or less. Three types of propagating material are commonly used--slips, suckers, and crowns; it is also possible to use sections of the plant stem.
Slips are branches of the inflorescence, arising either just below the fruit (basal slips) or just above it (crown slips). In Hawaii, slips are also found sometimes half way up the fruit stalk (hapas). All slips are considered to be aborted fruits, represented by the bulbous base, and a leafy crown very much smaller than develops above true fruits. Basal slips are the most common propagating material for most varieties; and should be selected from plants where they developed far enough below the fruit so that they are not attached to it at all. From the usual autumn planting of time of planting basal slips to harvest is usually 20 to 22 months, for the usual autumn planting.
Suckers are branches of the vegetative stem, arising from buds in leaf axils. They may arise from buds well above the soil (aerial suckers or suckers proper), or from buds on the stem at or below the soil surface (ground suckers or ratoons). The only difference is that ratoons readily develop roots in place and continue the life of the planting, while suckers must be broken off and planted to develop roots. Being much larger than slips, suckers bear fruit sooner, usually in 16 to 18 months from planting if set out in the spring. Some varieties produce more suckers than slips.
Crowns are the leafy stems on top of fruits, and while they are entirely satisfactory for propagation, they are not often used because they are harvested with the fruits. It is rarely desirable to plant right after harvest, and both slips and suckers can be left on the plant for months, increasing steadily in size. In spite of being larger than slips, crowns usually need a couple of months longer from planting to harvesting.