Abstract
Potato single nodes were subcultured onto fresh MS medium gelled with 0, 1 and 2 g/l of agar + 40, 50 or 60 g/l of commercial corn and potato starch (CS or PS, respectively). After 4 weeks of culture, the pH of medium supplemented with 50 or 60 g/l of CS or 60 g/l of PS was significantly decreased to 3.91 - 4.00. This reduction coincided with a significant increment in electric conductivity (EC) which was 172 - 214 imhos/cm-1 for media containing 50 or 60 g/l of CS, or 60 g/l of PS. Corn and potato starch had no significant effect in plantlet height nevertheless, they significantly increased the number of shoots/explant over the control treatment (2.5) which had 7 g/l of agar. The highest number of shoots/explant (6.8) was achieved in medium with 50 or 60 g/l of PS + 1 g/l of agar. Plantlets developed on media with 40 g/l of CS or PS had higher shoot fresh and dry weight (p < 0.5) compared to those in the control one. Media with 50, 60 g/l of PS or 60 g/l of CS and 50 g/l of CS + agar at 1 g/l significantly enhanced the percentage of dry weight. Moreover, 92 - 98% of plantlets were acclimatized to the greenhouse conditions regardless the type of gelling agent. The results suggest that the combination of agar and PS or CS could offer a firm support for plant tissues and could be successfully used for potato micropropagation.
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Claims 9
Claim · model-written summary
Starch-supplemented media (50 or 60 g/l CS, or 60 g/l PS) decreased medium pH to 3.91-4.00 after 4 weeks.
- Taxon
- Potato
Solanum tuberosume0 - Treatment
- 50 or 60 g/l of CS or 60 g/l of PSe1
- Outcome
- pH of mediume1
- Direction
- decreasede1
- Value
- 3.91 - 4.00e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potato single nodes were subcultured onto fresh MS medium”
e1“After 4 weeks of culture, the pH of medium supplemented with 50 or 60 g/l of CS or 60 g/l of PS was significantly decreased to 3.91 - 4.00”
Claim · model-written summary
Starch-supplemented media (50 or 60 g/l CS, or 60 g/l PS) increased electrical conductivity to 172-214 imhos/cm-1.
- Taxon
- PotatoSolanum tuberosume0
- Treatment
- 50 or 60 g/l of CS, or 60 g/l of PSe2
- Outcome
- electric conductivity (EC)e2
- Direction
- incremente2
- Value
- 172 - 214 imhos/cm-1e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potato single nodes were subcultured onto fresh MS medium”
e2“This reduction coincided with a significant increment in electric conductivity (EC) which was 172 - 214 imhos/cm-1 for media containing 50 or 60 g/l of CS, or 60 g/l of PS”
Claim · model-written summary
Corn and potato starch had no significant effect on plantlet height.
- Taxon
- PotatoSolanum tuberosume0
- Treatment
- Corn and potato starche3
- Outcome
- plantlet heighte3
- Direction
- no significant effecte3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potato single nodes were subcultured onto fresh MS medium”
e3“Corn and potato starch had no significant effect in plantlet height”
Claim · model-written summary
Corn and potato starch significantly increased the number of shoots per explant over the control treatment with 7 g/l agar.
- Taxon
- PotatoSolanum tuberosume0
- Treatment
- Corn and potato starche3
- Outcome
- number of shoots/explante4
- Direction
- increasede4
- Qualifier
- 7 g/l of agare4
- Comparator
- control treatmente4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potato single nodes were subcultured onto fresh MS medium”
e3“Corn and potato starch had no significant effect in plantlet height”
e4“they significantly increased the number of shoots/explant over the control treatment (2.5) which had 7 g/l of agar”
Claim · model-written summary
The highest number of shoots per explant (6.8) was obtained on 50 or 60 g/l PS with 1 g/l agar.
- Taxon
- PotatoSolanum tuberosume0
- Treatment
- 50 or 60 g/l of PS + 1 g/l of agare5
- Outcome
- number of shoots/explante5
- Direction
- higheste5
- Value
- 6.8e5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potato single nodes were subcultured onto fresh MS medium”
e5“The highest number of shoots/explant (6.8) was achieved in medium with 50 or 60 g/l of PS + 1 g/l of agar”
Claim · model-written summary
Plantlets on 40 g/l CS or PS had higher shoot fresh and dry weight than those on the control.
- Taxon
- PotatoSolanum tuberosume0
- Treatment
- 40 g/l of CS or PSe6
- Outcome
- shoot fresh and dry weighte6
- Direction
- highere6
- Qualifier
- p < 0.5e6
- Comparator
- control onee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potato single nodes were subcultured onto fresh MS medium”
e6“Plantlets developed on media with 40 g/l of CS or PS had higher shoot fresh and dry weight (p < 0.5) compared to those in the control one”
Claim · model-written summary
Media with 50, 60 g/l PS or 60 g/l CS, and 50 g/l CS + 1 g/l agar, significantly enhanced the percentage of dry weight.
- Taxon
- PotatoSolanum tuberosume0
- Treatment
- 50, 60 g/l of PS or 60 g/l of CS and 50 g/l of CS + agar at 1 g/le7
- Outcome
- percentage of dry weighte7
- Direction
- enhancede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potato single nodes were subcultured onto fresh MS medium”
e7“Media with 50, 60 g/l of PS or 60 g/l of CS and 50 g/l of CS + agar at 1 g/l significantly enhanced the percentage of dry weight”
Claim · model-written summary
92-98% of plantlets were acclimatized to greenhouse conditions regardless of the gelling agent type.
- Taxon
- PotatoSolanum tuberosume0
- Outcome
- acclimatized to the greenhouse conditionse7
- Value
- 92 - 98%e7
- Qualifier
- regardless the type of gelling agente7
- Setting
- greenhouse conditionse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potato single nodes were subcultured onto fresh MS medium”
e7“92 - 98% of plantlets were acclimatized to the greenhouse conditions regardless the type of gelling agent”
Claim · model-written summary
The combination of agar and PS or CS is recommended as a firm support for potato micropropagation.
- Taxon
- potatoSolanum tuberosume1
- Outcome
- the combination of agar and PS or CSe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“the combination of agar and PS or CS could offer a firm support for plant tissues and could be successfully used for potato micropropagation”
The same questions in other papers
agar · growth · Solanum tuberosum (potato)Positive and negative results
1 reporting no difference from an alternative
- no effect
Zea mays subsp. mays · growth · Solanum tuberosum (potato)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.