Abstract
Effects of mineral salts (N, P, K, $Ca^{2+}$, $Mg^{2+}$, and $Fe^{3+}$) on the shoot growth and metabolite production of tea tree were studied using in vitro culture techniques. Among mineral s alts, ${H_2PO_4}^-$ was the most important for enhanced growth rate of tea tree, while $Mg^{2+}$ and $Ca^{2+}$ did not affect plant growth. Removal of ${NH_4}^+$ and $NO_3$ from the culture medium enhanced shoot multiplication compared to other treatments. Metabolite production was variable depending on mineral types and concentration. Removal of $Ca^{2+}$ decreased the production of caffeine; however, other treatments did not influence its production. $Ca^{2+}$, ${NH_4}^+$ and $Fe^{3+}$ were important factors for catechin production in tea tree. These results can be used as the basis for development of technical soil controls suitable for tea tree cultivation in the future.
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Claims 11
Claim · model-written summary
Phosphate was the most important mineral for enhanced tea tree growth rate.
- Taxon
- tea tree
Camellia sinensise0 - Treatment
- ${H_2PO_4}^-$e0
- Outcome
- growth ratee0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“${H_2PO_4}^-$ was the most important for enhanced growth rate of tea tree”
Claim · model-written summary
Magnesium did not affect tea tree growth.
- Taxon
- tea treeCamellia sinensist0
- Treatment
- $Mg^{2+}$e0
- Outcome
- plant growthe0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“$Mg^{2+}$ and $Ca^{2+}$ did not affect plant growth”
t0“tea tree”
Claim · model-written summary
Calcium did not affect tea tree growth.
- Taxon
- tea treeCamellia sinensist0
- Treatment
- $Ca^{2+}$e0
- Outcome
- plant growthe0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“$Mg^{2+}$ and $Ca^{2+}$ did not affect plant growth”
t0“tea tree”
Claim · model-written summary
Removing ammonium enhanced tea tree shoot multiplication relative to other treatments.
- Taxon
- tea treeCamellia sinensist0
- Treatment
- Removal of ${NH_4}^+$e0
- Outcome
- shoot multiplicatione0
- Direction
- enhancede0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Removal of ${NH_4}^+$ and $NO_3$ from the culture medium enhanced shoot multiplication compared to other treatments”
t0“tea tree”
Claim · model-written summary
Removing nitrate enhanced tea tree shoot multiplication relative to other treatments.
- Taxon
- tea treeCamellia sinensist0
- Treatment
- $NO_3$e0
- Outcome
- shoot multiplicatione0
- Direction
- enhancede0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Removal of ${NH_4}^+$ and $NO_3$ from the culture medium enhanced shoot multiplication compared to other treatments”
t0“tea tree”
Claim · model-written summary
Metabolite production varied by mineral type and concentration.
- Taxon
- tea treeCamellia sinensist0
- Treatment
- mineral types and concentratione0
- Outcome
- Metabolite productione0
- Direction
- variablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Metabolite production was variable depending on mineral types and concentration”
t0“tea tree”
Claim · model-written summary
Removing calcium decreased caffeine production.
- Taxon
- tea treeCamellia sinensist0
- Treatment
- Removal of $Ca^{2+}$e0
- Outcome
- production of caffeinee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Removal of $Ca^{2+}$ decreased the production of caffeine”
t0“tea tree”
Claim · model-written summary
Other mineral treatments did not influence caffeine production.
- Taxon
- tea treeCamellia sinensist0
- Treatment
- other treatmentse0
- Outcome
- productione0
- Direction
- did not influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“other treatments did not influence its production”
t0“tea tree”
Claim · model-written summary
Calcium was important for catechin production in tea tree.
- Taxon
- tea treeCamellia sinensise0
- Treatment
- $Ca^{2+}$e0
- Outcome
- catechin productione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“$Ca^{2+}$, ${NH_4}^+$ and $Fe^{3+}$ were important factors for catechin production in tea tree”
Claim · model-written summary
Ammonium was important for catechin production in tea tree.
- Taxon
- tea treeCamellia sinensise0
- Treatment
- ${NH_4}^+$e0
- Outcome
- catechin productione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“$Ca^{2+}$, ${NH_4}^+$ and $Fe^{3+}$ were important factors for catechin production in tea tree”
Claim · model-written summary
Iron was important for catechin production in tea tree.
- Taxon
- tea treeCamellia sinensise0
- Treatment
- $Fe^{3+}$e0
- Outcome
- catechin productione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“$Ca^{2+}$, ${NH_4}^+$ and $Fe^{3+}$ were important factors for catechin production in tea tree”
The same questions in other papers
calcium atom · growth · Camellia sinensis (black tea)Results differ
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
magnesium atom · growth · Camellia sinensis (black tea)Positive and negative results
3 in the opposite direction
- positive
- 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.