Abstract
Investigation of new cotton (Gossypium hir-sutum) production strategies such as alternative planting patterns in conjunction with plant density is needed to improve yield and profitability. Field experiments were conducted to evaluate the effect of three cotton planting patterns (19 or 38 cm twin rows and 97 cm single rows) at five plant densities (7, 9, 11, 13, and 15 plants m-2) on cotton growth, yield, and fiber quality. Planting pattern did not influence any plant structure or yield variables, seed cotton or lint yield, lint percentage, lint or seed index, and fiber quality. Plant density did not influence the first sympodial branch on the main axis. Monopodial branch number increased with decreasing plant density. The 7 plants m-2 density produced 13.8 sympodia on the main axis and highest first position boll at node 10.5. Total nodes and plant height were greatest for the 7 plants m-2 density. As plant density increased, total bolls per plant decreased. First position boll retention was inversely related to plant densities. Seed cotton and lint yield were greatest for the 11 plants m-2 plant density, but this only differed from the 7 plants m-2 density. Plant density did not influence fiber length, micronaire, strength, or uniformity. Based on these data, seeding cotton in either twin-row planting pattern does not adversely affect cotton growth, yield, or fiber quality. However, cotton plant density had a strong impact on measured variables. © The Cotton Foundation 2011.
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Claims 11
Claim · model-written summary
Planting pattern did not affect cotton structure, yield or fiber quality traits.
- Taxon
- Cotton
Gossypium hirsutumt0 - Treatment
- Planting patterne0
- Outcome
- plant structure or yield variables, seed cotton or lint yield, lint percentage, lint or seed index, and fiber qualitye0
- Direction
- did not influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Planting pattern did not influence any plant structure or yield variables, seed cotton or lint yield, lint percentage, lint or seed index, and fiber quality.”
t0“Cotton Growth”
Claim · model-written summary
Plant density did not affect the first sympodial branch on the main axis.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- Plant densitye0
- Outcome
- first sympodial branch on the main axise0
- Direction
- did not influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Growth”
e0“Plant density did not influence the first sympodial branch on the main axis.”
Claim · model-written summary
Monopodial branch number increased as cotton density decreased.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- plant densitye0
- Outcome
- Monopodial branch numbere0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Growth”
e0“Monopodial branch number increased with decreasing plant density.”
Claim · model-written summary
At seven plants per square meter, cotton had 13.8 main-axis sympodia.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- 7 plants m-2 densitye0
- Outcome
- sympodia on the main axise0
- Value
- 13.8e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Growth”
e0“The 7 plants m-2 density produced 13.8 sympodia on the main axis”
Claim · model-written summary
At seven plants per square meter, the first-position boll was highest at node 10.5.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- 7 plants m-2 densitye0
- Outcome
- first position bolle0
- Direction
- higheste0
- Value
- node 10.5e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Growth”
e0“The 7 plants m-2 density produced 13.8 sympodia on the main axis and highest first position boll at node 10.5.”
Claim · model-written summary
Total node count and plant height were greatest at the seven plants per square meter density.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- 7 plants m-2 densitye0
- Outcome
- Total nodes and plant heighte0
- Direction
- greateste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Growth”
e0“Total nodes and plant height were greatest for the 7 plants m-2 density.”
Claim · model-written summary
Bolls per plant declined as plant density rose.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- plant densitye0
- Outcome
- total bolls per plante0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Growth”
e0“As plant density increased, total bolls per plant decreased.”
Claim · model-written summary
First-position boll retention was inversely related to density.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- plant densitiese0
- Outcome
- First position boll retentione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Growth”
e0“First position boll retention was inversely related to plant densities.”
Claim · model-written summary
Seed cotton and lint yields were greatest at 11 plants per square meter, differing only from the seven-plant density.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- 11 plants m-2 plant densitye0
- Outcome
- Seed cotton and lint yielde0
- Direction
- greateste0
- Comparator
- 7 plants m-2 densitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed cotton and lint yield were greatest for the 11 plants m-2 plant density, but this only differed from the 7 plants m-2 density.”
Claim · model-written summary
Plant density did not affect fiber length, micronaire, strength or uniformity.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- Plant densitye0
- Outcome
- fiber length, micronaire, strength, or uniformitye0
- Direction
- did not influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Growth”
e0“Plant density did not influence fiber length, micronaire, strength, or uniformity.”
Claim · model-written summary
The authors conclude twin-row seeding does not adversely affect cotton growth, yield or fiber quality.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- seeding cotton in either twin-row planting patterne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seeding cotton in either twin-row planting pattern does not adversely affect cotton growth, yield, or fiber quality.”
The same questions in other papers
density · quality: grain · Gossypium hirsutum (cotton)Positive and negative results
33 papers in the same direction as this paper · 34 in the opposite direction · 1 reporting no difference from an alternative
- negative
- negative
- negative
65 papers more in this group
See all 69 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.