<正> Dendrobium candidum, a wild orchid species from China, normally requires three to four years of cultivation before it can produce flowers. The effects of plant hormones and polyamines on flower initiation of this species in tissue culture were investigated. The addition of spermidine, or BA, or the combination of NAA and BA to the culture medium can induce protocorms or shoots to flower within three to six months with a frequency of 31.6% -45.8%. The flowering frequency can be further increased to 82.8 ...
【英文摘要】
Dendrobium candidum, a wild orchid species from China, normally requires three to four years of cultivation before it can produce flowers. The effects of plant hormones and polyamines on flower initiation of this species in tissue culture were investigated. The addition of spermidine, or BA, or the combination of NAA and BA to the culture medium can induce protocorms or shoots to flower within three to six months with a frequency of 31.6% -45.8%. The flowering frequency can be further increased to 82.8 % on...
【分类号】
Q945
【正文快照】
Flower formation 15 a unique physiologieal phenomenon in higher plants.In mostplants must reaehaeonsiderable effortseenain stage of maturity before they are able to produee flowers.eases theAlthoughhave been expanded onthe elueidation of flower initiation
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