Abstract
Abstract Analysis of data obtained from samples collected in the Delta area of Mississippi showed that the potassium concentration of young mature and old mature cotton leaf‐blades correlated better with soil test potassium than did that of the apical immature leaf‐blades. Results from field studies indicated that the old mature petiole was the most sensitive indicator of the potassium status of the cotton plants. The potassium concentration in both leaf‐blades and petioles decreased with stage of maturity from early square to early half‐grown boll. Potassium concentration did not fluctuate with sampling at different times of the day. The rate of decline of potassium concentration was greater in petioles of mature cotton leaves than in the leaf‐blades. For mature leaves, the potassium concentration of leaf‐blades was highly correlated with that in petioles, but for immature leaves, the correlation was poor. The rate of decline of potassium concentration in both cotton leaf‐blades and petioles was not affected by potassium fertilization but was a function of maturity stage. Key words: PotassiumPlant AnalysisCotton Notes Contribution from the Agronomy Dept., Mississippi State Univ., Mississippi State. Graduate Research Assistant, Professor, and Assistant Professor of Agronomy, Agronomy Dept., Mississippi State Univ., Mississippi State.
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Claims 9
Claim · model-written summary
Potassium in young and old mature cotton leaf blades correlated better with soil test potassium than in apical immature blades.
- Taxon
- cotton
Gossypium hirsutume0 - Organ / stage
- young mature and old mature cotton leaf‐bladese0
- Outcome
- potassium concentratione0
- Direction
- correlated bettere0
- Comparator
- apical immature leaf‐bladese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“potassium concentration of young mature and old mature cotton leaf‐blades correlated better with soil test potassium than did that of the apical immature leaf‐blades.”
Claim · model-written summary
Old mature petioles were the most sensitive indicator of cotton potassium status.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- old mature petiolee0
- Outcome
- most sensitive indicator of the potassium statuse0
- Comparator
- cotton plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the old mature petiole was the most sensitive indicator of the potassium status of the cotton plants.”
Claim · model-written summary
Potassium in cotton leaf blades and petioles decreased from early square to early half grown boll.
- Taxon
- cottonGossypium hirsutumt0
- Organ / stage
- leaf‐blades and petiolese0
- Outcome
- potassium concentratione0
- Direction
- decreasede0
- Qualifier
- from early square to early half‐grown bolle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The potassium concentration in both leaf‐blades and petioles decreased with stage of maturity from early square to early half‐grown boll.”
t0“cotton”
Claim · model-written summary
Potassium concentration did not fluctuate across sampling times of day.
- Taxon
- cottonGossypium hirsutumt0
- Outcome
- Potassium concentratione0
- Direction
- did not fluctuatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potassium concentration did not fluctuate with sampling at different times of the day.”
t0“cotton”
Claim · model-written summary
Potassium declined faster in mature cotton petioles than leaf blades.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- petioles of mature cotton leavese0
- Outcome
- rate of decline of potassium concentratione0
- Direction
- greatere0
- Comparator
- leaf‐bladese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rate of decline of potassium concentration was greater in petioles of mature cotton leaves than in the leaf‐blades.”
Claim · model-written summary
Potassium concentration in mature leaf blades was highly correlated with petioles.
- Taxon
- cottonGossypium hirsutumt0
- Organ / stage
- mature leavese0
- Outcome
- potassium concentration of leaf‐bladese0
- Comparator
- petiolese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For mature leaves, the potassium concentration of leaf‐blades was highly correlated with that in petioles”
t0“cotton”
Claim · model-written summary
Potassium concentration correlation between blades and petioles was poor in immature leaves.
- Taxon
- cottonGossypium hirsutumt0
- Organ / stage
- immature leavese0
- Outcome
- correlatione0
- Comparator
- petiolese1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“for immature leaves, the correlation was poor.”
e1“potassium concentration of leaf‐blades was highly correlated with that in petioles”
t0“cotton”
Claim · model-written summary
Potassium fertilization did not affect the rate of potassium decline in blades and petioles.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- potassium fertilizatione0
- Outcome
- rate of decline of potassium concentratione0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rate of decline of potassium concentration in both cotton leaf‐blades and petioles was not affected by potassium fertilization”
Claim · model-written summary
The rate of potassium decline in blades and petioles depended on maturity stage.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- maturity stagee0
- Outcome
- rate of decline of potassium concentratione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rate of decline of potassium concentration in both cotton leaf‐blades and petioles was not affected by potassium fertilization but was a function of maturity stage.”
The same questions in other papers
fertilization · nutrient: content · Gossypium hirsutum (cotton)Positive and negative results
9 papers in the same direction as this paper · 121 in the opposite direction
- positive
- positive
- positive
127 papers more in this group
See all 131 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.