Abstract
The effectiveness of phosphorus (P), potassium (K), indole-3-acetic acid (IAA), gibberellic acid (GA3), zeatin (Z) and their combinations on chlorophyll a, b and total chlorophyll production was investigated in the hydroponic nutrient solution. The cotton plants were cropped without hormones application in different levels of P and K in the first cropping and with hormones application in the second cropping in high level of PK. In the first cropping, low K and high PK significantly influenced formation of chlorophyll a, b and ab from 83 to 91 days after planting (DAT) while the application of GA3, IAA, Z and IAA x GA3 x 2Z treatments significantly increased chlorophyll a, b and ab only at 80 DAT. However, two cotton varieties planted in two cropping seasons expressed different abilities in time to promote chlorophyll formation.
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Claims 7
Claim · model-written summary
Low potassium significantly influenced cotton chlorophyll a, b and ab formation at 83–91 days after planting.
- Taxon
- Gossypium hirsutum
Gossypium hirsutumt0 - Treatment
- low Ke0
- Outcome
- formation of chlorophyll a, b and abe0
- Qualifier
- from 83 to 91 days after planting (DAT)e0
- Setting
- hydroponic nutrient solutione1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the first cropping, low K and high PK significantly influenced formation of chlorophyll a, b and ab from 83 to 91 days after planting (DAT)”
t0“Cotton (Gossypium hirsutum)”
e1“in the hydroponic nutrient solution.”
Claim · model-written summary
High PK significantly influenced cotton chlorophyll a, b and ab formation at 83–91 days after planting.
- Taxon
- Gossypium hirsutumGossypium hirsutumt0
- Treatment
- high PKe0
- Outcome
- formation of chlorophyll a, b and abe0
- Qualifier
- from 83 to 91 days after planting (DAT)e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the first cropping, low K and high PK significantly influenced formation of chlorophyll a, b and ab from 83 to 91 days after planting (DAT)”
t0“Cotton (Gossypium hirsutum)”
Claim · model-written summary
GA3 significantly increased cotton chlorophyll a, b and ab only at 80 DAT.
- Taxon
- Gossypium hirsutumGossypium hirsutumt0
- Treatment
- GA3e0
- Outcome
- chlorophyll a, b and abe0
- Direction
- increasede0
- Qualifier
- only at 80 DATe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of GA3, IAA, Z and IAA x GA3 x 2Z treatments significantly increased chlorophyll a, b and ab only at 80 DAT.”
t0“Cotton (Gossypium hirsutum)”
Claim · model-written summary
IAA significantly increased cotton chlorophyll a, b and ab only at 80 DAT.
- Taxon
- Gossypium hirsutumGossypium hirsutumt0
- Treatment
- IAAe0
- Outcome
- chlorophyll a, b and abe0
- Direction
- increasede0
- Qualifier
- only at 80 DATe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of GA3, IAA, Z and IAA x GA3 x 2Z treatments significantly increased chlorophyll a, b and ab only at 80 DAT.”
t0“Cotton (Gossypium hirsutum)”
Claim · model-written summary
Zeatin significantly increased cotton chlorophyll a, b and ab only at 80 DAT.
- Taxon
- Gossypium hirsutumGossypium hirsutumt0
- Treatment
- Ze0
- Outcome
- chlorophyll a, b and abe0
- Direction
- increasede0
- Qualifier
- only at 80 DATe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of GA3, IAA, Z and IAA x GA3 x 2Z treatments significantly increased chlorophyll a, b and ab only at 80 DAT.”
t0“Cotton (Gossypium hirsutum)”
Claim · model-written summary
IAA x GA3 x 2Z significantly increased cotton chlorophyll a, b and ab only at 80 DAT.
- Taxon
- Gossypium hirsutumGossypium hirsutumt0
- Treatment
- IAA x GA3 x 2Ze0
- Outcome
- chlorophyll a, b and abe0
- Direction
- increasede0
- Qualifier
- only at 80 DATe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of GA3, IAA, Z and IAA x GA3 x 2Z treatments significantly increased chlorophyll a, b and ab only at 80 DAT.”
t0“Cotton (Gossypium hirsutum)”
Claim · model-written summary
The two cotton varieties differed in timing of chlorophyll promotion across the two cropping seasons.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- different abilities in time to promote chlorophyll formatione0
- Qualifier
- two cropping seasonse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, two cotton varieties planted in two cropping seasons expressed different abilities in time to promote chlorophyll formation.”
The same questions in other papers
Gibberellic acid · physiology: pigments · Gossypium hirsutum (cotton)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
indole-3-acetic acid · physiology: pigments · Gossypium hirsutum (cotton)Results agree
5 papers in the same direction as this paper
- positive
- positive
- positive
2 papers more in this group
See all 6 papers →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.