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Plant Characteristics and Chromosome Numbers of Four Reciprocal Crosses in Dendrobium
|Title:||Plant Characteristics and Chromosome Numbers of Four Reciprocal Crosses in Dendrobium|
|Abstract:||Progenies of four sets of reciprocal crosses in Dendrobium were compared. Reciprocal matings of amphidiploid D. Jaquelyn Thomas did not differ in floral characteristics.|
In reciprocal crosses of D. strebloceras and D. canaliculatum, offspring with D. canaliculatum cytoplasm produced more pseudobulbs and were taller in the greenhouse.
In a reciprocal cross of two D. canaliculaturn accessions, offspring with ’D17 3 - 2' cytoplasm, were taller, produced more pseudobulbs, and had higher yields. All offspring were diploids with 2n = 38. Cytoplasmic inheritance may be the cause of the differences.
Reciprocal crosses of D. schulleri x D. Sunset differed in flower quality and in chromosome numbers. Two offspring of D. schulleri x D. Sunset were triploid with 2n = ca. 57. Ten offspring of D. Sunset x D. schulleri were diploids with 2n = ca. 38.
|Appears in Collections:||
M.S. - Horticulture|
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