Abstract
In order to explore the physiological mechanism of high-yielding cotton in Xinjiang systematically and to improve yield further, the absorption, transfer and transformation of solar radiation by cotton leaf in Xinjiang were investigated by means of chlorophyll fluorescence determination method. Proper nitrogen application (300 kg·ha -1 ) improved cotton leaf photosynthesis, activity of PSII, maximum photochemical efficiency, PSII coefficients of non-photochemical fluorescence quenching. Nitrogen application increased photosynthetic electron transport rate, photosynthetic quantum yield and reduced dissipation of non-radiant energy, thereby, more leaf-absorbed light was utilized in photosynthesis, but this kind of improvement on photosynthetic function depended on varieties.
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Claims 5
Claim · model-written summary
Proper nitrogen application improved cotton leaf photosynthesis, PSII activity and photochemical efficiency.
- Taxon
- cotton
Gossypium hirsutume0 - Organ / stage
- leafe0
- Treatment
- nitrogen application (300 kg·ha -1 )e0
- Outcome
- cotton leaf photosynthesis, activity of PSII, maximum photochemical efficiencye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Proper nitrogen application (300 kg·ha -1 ) improved cotton leaf photosynthesis, activity of PSII, maximum photochemical efficiency, PSII coefficients of non-photochemical fluorescence quenching.”
Claim · model-written summary
Proper nitrogen application improved PSII non-photochemical quenching coefficients.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- nitrogen application (300 kg·ha -1 )e0
- Outcome
- PSII coefficients of non-photochemical fluorescence quenchinge0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Proper nitrogen application (300 kg·ha -1 ) improved cotton leaf photosynthesis, activity of PSII, maximum photochemical efficiency, PSII coefficients of non-photochemical fluorescence quenching.”
Claim · model-written summary
Nitrogen application increased photosynthetic electron transport rate and quantum yield.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- Nitrogen applicatione0
- Outcome
- photosynthetic electron transport rate, photosynthetic quantum yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton”
e0“Nitrogen application increased photosynthetic electron transport rate, photosynthetic quantum yield and reduced dissipation of non-radiant energy”
Claim · model-written summary
Nitrogen application reduced non-radiant energy dissipation.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- Nitrogen applicatione0
- Outcome
- dissipation of non-radiant energye0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton”
e0“Nitrogen application increased photosynthetic electron transport rate, photosynthetic quantum yield and reduced dissipation of non-radiant energy”
Claim · model-written summary
Improvement in photosynthetic function depended on variety.
- Taxon
- CottonGossypium hirsutumt0
- Material
- varietiese0
- Outcome
- improvement on photosynthetic functione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton”
e0“this kind of improvement on photosynthetic function depended on varieties.”
The same questions in other papers
nitrogen · physiology: photosynthesis · Gossypium hirsutum (cotton)Positive and negative results
21 papers in the same direction as this paper · 9 in the opposite direction
- no effect
- no effect
- negative
27 papers more in this group
See all 31 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.