Abstract
Abstract Studies had been carried out to study the possibility of using ionite substrates for growing potato seedlings in tube culture, to analyze the variability of hybrid potato populations by morphobiological and economically valuable characteristics depending on the substrate, to analyze the effectiveness of the selection of high-yielding forms at the early stage of the breeding process. The experiment included 7 different modifications of the nutrient medium composition. Seed germination, seedling survival rate, tuber formation rate, percentage of tuber-forming seedlings, number of tubers per seedling, size, and shape of tubers were taken into account. Quantitative assessment of factors in phenotypic manifestation of signs was carried out by the method of dispersion analysis. Sterile microtubers were stored at 2-4°C in the dark before planting. As a result of the research, a different tuber-forming ability was found in seedlings of populations of different variants. The tube culture of seedlings ensures full survival of seedlings. For the growth and development of seedlings in a tube culture, the best of those studied was the nutrient medium based on the ion-exchange substrate IS-2V, containing 1% sucrose and 500 mg / 1 CCC. Two-stage cultivation of seedlings (the initial increase in the above-ground mass, then the induction of tuberization) had a positive effect on the pace and quality of tuberization. 30–40 days after induction, tuberization was observed in 90–100% of seedlings, regardless of their origin, and the size of microtubers was on average 6.7–8.7 mm.
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Claims 6
Claim · model-written summary
Tuber formation ability differed among potato seedling populations.
- Taxon
- potato
Solanum tuberosumt0 - Material
- populations of different variantse0
- Outcome
- tuber-forming abilitye0
- Direction
- differente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a different tuber-forming ability was found in seedlings of populations of different variants.”
t0“potato”
Claim · model-written summary
Potato seedlings had full survival in tube culture.
- Taxon
- potatoSolanum tuberosumt0
- Outcome
- full survival of seedlingse0
- Setting
- tube culturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The tube culture of seedlings ensures full survival of seedlings.”
t0“potato”
Claim · model-written summary
IS-2V medium containing sucrose and CCC was best for potato seedling growth and development among media studied.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- nutrient medium based on the ion-exchange substrate IS-2V, containing 1% sucrose and 500 mg / 1 CCCe0
- Outcome
- growth and development of seedlingse0
- Direction
- beste0
- Comparator
- those studiede0
- Setting
- tube culturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For the growth and development of seedlings in a tube culture, the best of those studied was the nutrient medium based on the ion-exchange substrate IS-2V, containing 1% sucrose and 500 mg / 1 CCC.”
t0“potato”
Claim · model-written summary
Two-stage cultivation improved the pace and quality of potato tuberization.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Two-stage cultivation of seedlingse0
- Outcome
- pace and quality of tuberizatione0
- Direction
- positive effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two-stage cultivation of seedlings (the initial increase in the above-ground mass, then the induction of tuberization) had a positive effect on the pace and quality of tuberization.”
t0“potato”
Claim · model-written summary
Tuberization occurred in 90–100% of potato seedlings 30–40 days after induction regardless of origin.
- Taxon
- potatoSolanum tuberosumt0
- Outcome
- tuberizatione0
- Value
- 90–100%e0
- Qualifier
- 30–40 days after inductione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“30–40 days after induction, tuberization was observed in 90–100% of seedlings, regardless of their origin”
t0“potato”
Claim · model-written summary
Potato microtubers averaged 6.7–8.7 mm.
- Taxon
- potatoSolanum tuberosumt0
- Outcome
- size of microtuberse0
- Value
- 6.7–8.7 mme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the size of microtubers was on average 6.7–8.7 mm.”
t0“potato”
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