Abstract
Effects of supplementary light of various wavelength and trace elements,i.e.boron and manganese,on main physiological indexes of tobacco seedling were studied to produce strong and high stem tobacco seedlings under low temperature and weak light in winter and spring in China's southeast tobacco growing areas.Results showed that supplying light with blue and red plant growth lamp in proportion of 2:1 and 1:1 promoted plant height,stem circumference,chlorophyll and carotenoid content of tobacco seedlings compared with control and full blue lamp.Analysis of ariance and multiple comparison showing significant differences.Supplying boron by 100 mg/kg or manganese by 200 mg/kg in fertilizer significantly increased height,stem diameter,leaf length,root activity and protein content.Manganese supplement also increased content of chlorophyll and carotenoid.
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Claims 7
Claim · model-written summary
Blue and red lamp light in 2:1 and 1:1 proportions promoted tobacco seedling plant height and stem circumference compared with control and full blue lamp.
- Taxon
- tobacco seedlings
Nicotiana tabacume1 - Treatment
- supplying light with blue and red plant growth lamp in proportion of 2:1 and 1:1e1
- Outcome
- plant height,stem circumferencee1
- Direction
- promotede1
- Comparator
- control and full blue lampe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“supplying light with blue and red plant growth lamp in proportion of 2:1 and 1:1 promoted plant height,stem circumference,chlorophyll and carotenoid content of tobacco seedlings compared with control and full blue lamp”
Claim · model-written summary
Blue and red lamp light in 2:1 and 1:1 proportions promoted chlorophyll and carotenoid content of tobacco seedlings compared with control and full blue lamp.
- Taxon
- tobacco seedlingsNicotiana tabacume1
- Treatment
- supplying light with blue and red plant growth lamp in proportion of 2:1 and 1:1e1
- Outcome
- chlorophyll and carotenoid contente1
- Direction
- promotede1
- Comparator
- control and full blue lampe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“supplying light with blue and red plant growth lamp in proportion of 2:1 and 1:1 promoted plant height,stem circumference,chlorophyll and carotenoid content of tobacco seedlings compared with control and full blue lamp”
Claim · model-written summary
Boron at 100 mg/kg in fertilizer significantly increased tobacco seedling height, stem diameter and leaf length.
- Taxon
- tobacco seedlingNicotiana tabacume0
- Treatment
- Supplying boron by 100 mg/kge2
- Outcome
- height,stem diameter,leaf lengthe2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on main physiological indexes of tobacco seedling”
e2“Supplying boron by 100 mg/kg or manganese by 200 mg/kg in fertilizer significantly increased height,stem diameter,leaf length,root activity and protein content”
Claim · model-written summary
Boron at 100 mg/kg in fertilizer significantly increased tobacco seedling root activity and protein content.
- Taxon
- tobacco seedlingNicotiana tabacume0
- Treatment
- Supplying boron by 100 mg/kge2
- Outcome
- root activity and protein contente2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on main physiological indexes of tobacco seedling”
e2“Supplying boron by 100 mg/kg or manganese by 200 mg/kg in fertilizer significantly increased height,stem diameter,leaf length,root activity and protein content”
Claim · model-written summary
Manganese at 200 mg/kg in fertilizer significantly increased tobacco seedling height, stem diameter and leaf length.
- Taxon
- tobacco seedlingNicotiana tabacume0
- Treatment
- manganese by 200 mg/kge2
- Outcome
- height,stem diameter,leaf lengthe2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on main physiological indexes of tobacco seedling”
e2“Supplying boron by 100 mg/kg or manganese by 200 mg/kg in fertilizer significantly increased height,stem diameter,leaf length,root activity and protein content”
Claim · model-written summary
Manganese at 200 mg/kg in fertilizer significantly increased tobacco seedling root activity and protein content.
- Taxon
- tobacco seedlingNicotiana tabacume0
- Treatment
- manganese by 200 mg/kge2
- Outcome
- root activity and protein contente2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on main physiological indexes of tobacco seedling”
e2“Supplying boron by 100 mg/kg or manganese by 200 mg/kg in fertilizer significantly increased height,stem diameter,leaf length,root activity and protein content”
Claim · model-written summary
Manganese supplement increased chlorophyll and carotenoid content of tobacco seedlings.
- Taxon
- tobacco seedlingNicotiana tabacume0
- Treatment
- Manganese supplemente4
- Outcome
- content of chlorophyll and carotenoide4
- Direction
- increasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on main physiological indexes of tobacco seedling”
e4“Manganese supplement also increased content of chlorophyll and carotenoid”
The same questions in other papers
boron atom · quality: protein · Nicotiana tabacum (tobacco)Positive and negative results
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28 papers in the same direction as this paper · 16 in the opposite direction · 2 reporting no difference from an alternative
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See all 47 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.