Summary
‘Thornless Loganberry’ (TL) is a periclinal chimeral blackberry in which a layer of mutant (thornless) epidermis surrounds a core of wild-type (thorny) tiusse. Due to its chimeral arrangement, TL produces thorny adventitious root cuttings and thorny offspring. To separate the chimera into its components parts, meristems of TL were grow in vitro on modified Murashige and Skoog medium to yield callus and adventitious shoots. One of these shoots has survived, flowered, and produced thornless offspring from seed. The importance of this non-chimeral TL is discussed.
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Abbreviations
- BA:
-
6-benzylaminopurine
- GA3 :
-
gibberellic acid
- NAA:
-
naphthalene acetic acid
- hybridberry:
-
polyploid bramble interspecific hybrids
- MS:
-
Murashige & Skoog (1962) high mineral salt medium
- TL:
-
‘Thornless Loganberry’
- TLtc :
-
tissue culture-derived (non-chimeral) ‘Thornless Loganberry’
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Hall, H.K., Quazi, M.H. & Skirvin, R.M. Isolation of a pure thornless loganberry by meristem tip culture. Euphytica 35, 1039–1044 (1986). https://doi.org/10.1007/BF00028616
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DOI: https://doi.org/10.1007/BF00028616