Abstract
A field experiment was carried out on Cymbopogen citratus (DC.) Stapf plant during two summer years of 2011 and 2012 at a private Farm located in New-Domiata, Domiate Governorate, to study the effect of three irrigation intervals (3, 6 and 12 days) and two foliar applications with Super Bluegreen and / or Super Cetrin at (75, 100 and 150 ppm) on yield and essential oil production and composition of lemongrass. The physical and chemical properties of the oil were determined and are included in this study. G.L.C. separation of the essential oil revealed 6 identified compounds (myrcene – limonene – linalool - neral (citral b) - geranial (citral a) and genaryl acetate). Generally the main components of lemongrass oil was neral (citral b) and geranial (citral a) which achieved the largest values. The obtained results showed that: - Irrigation intervals every 3days increased herb yield /plant and /fed. - Irrigation intervals every 12 days increased essential oil % and oil yield per plant and per fed, in addition to the main components (citral) in lemongrass leaves. - Foliar spraying with Super Cetrin gave the highest values of all characters compared to Super Bluegreen in both years. - The grass yield and essential oil % and oil yield/plant and /fed were higher in the first cut (1st July) than to the second cut (1st October) during the two years especially in the second year. - Herb fresh and dry weights / plant, dry yield / fed as well as essential oil % and oil yield per plant and per fed and the main components (citral) percentage were significantly increased by the mixture of foliar application (Super Bluegreen + Super Cetrin) at 100 ppm in both years. Therefore, it could be recommended that irrigation intervals every 12 days and foliar application with the mixture of Super Bluegreen + Super Cetrin at the rate of 100 ppm maximize the lemongrass essential oil yield and citral content.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 11
Claim · model-written summary
Six essential oil compounds were identified.
- Taxon
- LEMONGRASS
Cymbopogon citratust0 - Outcome
- 6 identified compoundse0
- Value
- 6 identified compoundse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“G.L.C. separation of the essential oil revealed 6 identified compounds (myrcene – limonene – linalool - neral (citral b) - geranial (citral a) and genaryl acetate)”
t0“LEMONGRASS”
Claim · model-written summary
Neral and geranial were the largest oil components.
- Taxon
- lemongrassCymbopogon citratuse0
- Outcome
- neral (citral b) and geranial (citral a)e0
- Direction
- largeste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“main components of lemongrass oil was neral (citral b) and geranial (citral a) which achieved the largest values”
Claim · model-written summary
Three-day irrigation increased herb yield.
- Taxon
- LEMONGRASSCymbopogon citratust0
- Treatment
- Irrigation intervals every 3dayse0
- Outcome
- herb yield /plant and /fede0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation intervals every 3days increased herb yield /plant and /fed”
t0“LEMONGRASS”
Claim · model-written summary
Twelve-day irrigation increased essential oil percentage and yield.
- Taxon
- LEMONGRASSCymbopogon citratust0
- Treatment
- Irrigation intervals every 12 dayse0
- Outcome
- essential oil % and oil yield per plant and per fede0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation intervals every 12 days increased essential oil % and oil yield per plant and per fed”
t0“LEMONGRASS”
Claim · model-written summary
Twelve-day irrigation increased citral in leaves.
- Taxon
- lemongrassCymbopogon citratuse0
- Organ / stage
- leavese0
- Treatment
- Irrigation intervals every 12 dayse0
- Outcome
- main components (citral)e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation intervals every 12 days increased essential oil % and oil yield per plant and per fed, in addition to the main components (citral) in lemongrass leaves”
Claim · model-written summary
Super Cetrin gave the highest values of all measured characters relative to Super Bluegreen.
- Taxon
- LEMONGRASSCymbopogon citratust0
- Treatment
- Foliar spraying with Super Cetrine0
- Outcome
- all characterse0
- Direction
- higheste0
- Qualifier
- both yearse0
- Comparator
- Super Bluegreene0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar spraying with Super Cetrin gave the highest values of all characters compared to Super Bluegreen in both years”
t0“LEMONGRASS”
Claim · model-written summary
The first cut had higher grass yield and essential oil percentage and yield than the second cut.
- Taxon
- LEMONGRASSCymbopogon citratust0
- Outcome
- grass yield and essential oil % and oil yield/plant and /fede0
- Direction
- highere0
- Qualifier
- first cut (1st July)e0
- Comparator
- second cut (1st October)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The grass yield and essential oil % and oil yield/plant and /fed were higher in the first cut (1st July) than to the second cut (1st October) during the two years especially in the second year”
t0“LEMONGRASS”
Claim · model-written summary
The 100 ppm fertilizer mixture increased herb fresh and dry weights and dry yield.
- Taxon
- LEMONGRASSCymbopogon citratust0
- Treatment
- mixture of foliar application (Super Bluegreen + Super Cetrin) at 100 ppme0
- Outcome
- Herb fresh and dry weights / plant, dry yield / fede0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Herb fresh and dry weights / plant, dry yield / fed as well as essential oil % and oil yield per plant and per fed and the main components (citral) percentage were significantly increased by the mixture of foliar application (Super Bluegreen + Super Cetrin) at 100 ppm in both years”
t0“LEMONGRASS”
Claim · model-written summary
The 100 ppm fertilizer mixture increased oil percentage and yield.
- Taxon
- LEMONGRASSCymbopogon citratust0
- Treatment
- mixture of foliar application (Super Bluegreen + Super Cetrin) at 100 ppme0
- Outcome
- essential oil % and oil yield per plant and per fede0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Herb fresh and dry weights / plant, dry yield / fed as well as essential oil % and oil yield per plant and per fed and the main components (citral) percentage were significantly increased by the mixture of foliar application (Super Bluegreen + Super Cetrin) at 100 ppm in both years”
t0“LEMONGRASS”
Claim · model-written summary
The 100 ppm fertilizer mixture increased citral percentage.
- Taxon
- LEMONGRASSCymbopogon citratust0
- Treatment
- mixture of foliar application (Super Bluegreen + Super Cetrin) at 100 ppme0
- Outcome
- main components (citral) percentagee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Herb fresh and dry weights / plant, dry yield / fed as well as essential oil % and oil yield per plant and per fed and the main components (citral) percentage were significantly increased by the mixture of foliar application (Super Bluegreen + Super Cetrin) at 100 ppm in both years”
t0“LEMONGRASS”
Claim · model-written summary
The authors recommend 12-day irrigation and 100 ppm mixed foliar fertilizer for essential oil and citral.
- Taxon
- lemongrassCymbopogon citratuse0
- Outcome
- maximize the lemongrass essential oil yield and citral contente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it could be recommended that irrigation intervals every 12 days and foliar application with the mixture of Super Bluegreen + Super Cetrin at the rate of 100 ppm maximize the lemongrass essential oil yield and citral content”
The same questions in other papers
irrigation · yield · Cymbopogon citratus (lemon grass)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
irrigation · quality: oil · Cymbopogon citratus (lemon grass)Results agree
2 papers in the same direction as this paper
- positive
- positive
application · molecular: metabolites · Cymbopogon citratus (lemon grass)Results agree
2 papers in the same direction as this paper
- positive
- positive
application · yield · Cymbopogon citratus (lemon grass)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 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.