Claim · model-written summary
Standard propagated Dirksen Thornless and Smoothstem grew more slowly and had significantly reduced second year yields.
- Taxon
- Thornless Blackberriest0
- Material
- ‘Dirksen Thornless’ and ‘Smoothstem’e0
- Outcome
- 2nd-year yieldse0
- Direction
- reducede0
Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValueQualifier
Verbatim
e0“ST plants of ‘Dirksen Thornless’ and ‘Smoothstem’ failed to grow as rapidly as TC plants of these cultivars or ST plants of the other cultivars, resulting in significantly reduced 2nd-year yields.”
t0“Thornless Blackberries”
Title
Field Performance and Phenotypic Stability of Tissue Culture-propagated Thornless Blackberries1
Harry J. Swartz; Gene J. Galletta; Richard H. Zimmerman Journal of the American Society for Horticultural Science 1983. doi:10.21273/jashs.108.2.285
Other claims from this paper (11)
- Intervention effect Tissue culture plants generally performed as well as standard propagated plants.
- Observation Tissue culture plants were phenotypically similar to standard propagated plants.
- Observation Leaf size and pattern differed in relation to greater tissue culture plant vigor.
- Intervention effect Total growth was similar between propagation methods for four named cultivars.
- Intervention effect First year growth of tissue culture plants was more uniform.
- Intervention effect Fruit size averaged smaller on tissue culture plants.
- Observation Black Satin tissue culture fruit was smaller in both years.
- Observation Dirksen Thornless tissue culture fruit was larger in one year.
- Observation Bloom and median harvest dates did not differ consistently by propagation method.
- Observation No variant plants were observed in the field.
- Observation One sectorial chlorotic leaf variant occurred after tissue culture before planting.