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Tulip fields, Keukenhof, The Netherlands
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Tulip Fields, Keukenhof, The Netherlands

Tulips can be propagated through offsets, seeds or micropropagation. Offsets and tissue culture methods are means of asexual propagation for producing genetic clones of the parent plant, which maintains cultivar integrity. Seed-raised plants show greater variation, and seeds are most often used to propagate species and subspecies or to create new hybrids. Many tulip species can cross-pollinate with each other, and when wild tulip populations overlap with other species or subspecies, they often hybridize and create mixed populations. Most tulip cultivars are complex hybrids and actually sterile. Those plants that do produce seeds most often have offspring dissimilar to the parents.
Growing salable tulips from offsets requires a year or more of growth before plants are large enough to flower. Tulips grown from seeds often need five to eight years of growth before plants are flowering size. Commercial growers usually harvest the tulip bulbs in late summer and grade them into sizes; bulbs large enough to flower are sorted and sold, while smaller bulbs are sorted into sizes and replanted. Holland is the main producer of commercially sold plants, producing as many as 3 billion bulbs annually.

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Keywords:#tulip #fields #keukenhof #netherlands
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Date added:Apr 14, 2009
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