Tetraploid And Diploid Daylily - Knowledgebase Question

Question by joedurango
June 13, 2000
What's the difference between tetraploid and diploid daylily?

Answer from NGA
June 13, 2000


The usual number of chromosomes in daylily is eleven pairs, this is called diploid. Tetraploids have twice as many. The tetraploid factor emphasizes certain desirable characteristics like large petals, thick petals, bright colors, etc. One big benefit to tetraploids is they can be crossed with other tetraploids. This is of little significance to the home gardener, so the designation of tetraploid or diploid is inconsequential.

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