Abstract
In the current study, the effect of water deficit stress or drought on relative water content and cell membrane stability of dragonhead (Dracocepha lummoldavica) was studied in a greenhouse experiment carried out at Islamic Azad University, Jiroftbranch, in 2009. It was a split plot experiment based on Randomized Complete Block Design with three replications, in which vertical factor included three levels of drought stress (irrigation when soil moisture reached 75% of field capacity [mild stress], irrigation when soil moisture reached 50% of field capacity [moderate stress] and irrigation when soil moisture reached 25% of field capacity [severe stress]). The same trend was observed in dry weight of vegetative body meaning that by increase in drought stress, dry weight of vegetative body was decreased but the difference of mild (FC=75%) and medium (FC=5%) stress on dry vegetative body yield was or non significant. correlation coefficients among the measured traits show that there is strong positive correlation between dry weight of vegetative body of Dracocephalum with vegetative body fresh weight, stem number per plant, plant height, shoot dry weight and leaf dry weight which constitute its components (p<0.01), but dry weight of vegetative body of Dracocephalum was negatively correlated with inter node length and there was or non significant correlation between of dry weight of vegetative body and stem diameter. Leaf dry weight had significant and positive correlation with fresh weight of vegetative body, dry weight of vegetative body and plant height and stem number but was or non significantly correlated with diameter and length of stem inter node.
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Claims 9
Claim · model-written summary
Increasing drought stress decreased dry weight of the vegetative body of Dracocephalum moldavica.
- Taxon
- Dracocephalum moldavica
Dracocephalum moldavicat0 - Treatment
- drought stresse0
- Outcome
- dry weight of vegetative bodye0
- Direction
- decreasede0
- Setting
- greenhousee7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dracocephalum moldavica”
e0“by increase in drought stress, dry weight of vegetative body was decreased”
e7“a greenhouse experiment carried out at Islamic Azad University, Jiroftbranch, in 2009”
Claim · model-written summary
Medium (FC=5%) and mild (FC=75%) drought stress did not differ significantly in dry vegetative body yield.
- Taxon
- Dracocephalum moldavicaDracocephalum moldavicat0
- Treatment
- medium (FC=5%) stresse1
- Outcome
- dry vegetative body yielde1
- Direction
- non significante1
- Comparator
- mild (FC=75%)e1
- Setting
- greenhousee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dracocephalum moldavica”
e1“the difference of mild (FC=75%) and medium (FC=5%) stress on dry vegetative body yield was or non significant”
e7“a greenhouse experiment carried out at Islamic Azad University, Jiroftbranch, in 2009”
Claim · model-written summary
Dry weight of the vegetative body had a strong positive correlation with fresh weight, stem number per plant and plant height (p<0.01).
- Taxon
- Dracocephalum moldavicaDracocephalum moldavicat0
- Outcome
- dry weight of vegetative bodye2
- Direction
- strong positive correlatione2
- Qualifier
- p<0.01e3
- Comparator
- vegetative body fresh weight, stem number per plant, plant heighte2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dracocephalum moldavica”
e2“there is strong positive correlation between dry weight of vegetative body of Dracocephalum with vegetative body fresh weight, stem number per plant, plant height”
e3“plant height, shoot dry weight and leaf dry weight which constitute its components (p<0.01)”
Claim · model-written summary
Dry weight of the vegetative body had a strong positive correlation with shoot dry weight and leaf dry weight (p<0.01).
- Taxon
- Dracocephalum moldavicaDracocephalum moldavicat0
- Outcome
- dry weight of vegetative bodye2
- Direction
- strong positive correlatione2
- Qualifier
- p<0.01e3
- Comparator
- shoot dry weight and leaf dry weighte3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dracocephalum moldavica”
e2“there is strong positive correlation between dry weight of vegetative body of Dracocephalum with vegetative body fresh weight, stem number per plant, plant height”
e3“plant height, shoot dry weight and leaf dry weight which constitute its components (p<0.01)”
Claim · model-written summary
Dry weight of the vegetative body was negatively correlated with internode length.
- Taxon
- Dracocephalum moldavicaDracocephalum moldavicat0
- Outcome
- dry weight of vegetative body of Dracocephalume4
- Direction
- negatively correlatede4
- Comparator
- inter node lengthe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dracocephalum moldavica”
e4“dry weight of vegetative body of Dracocephalum was negatively correlated with inter node length”
Claim · model-written summary
Dry weight of the vegetative body showed no significant correlation with stem diameter.
- Taxon
- Dracocephalum moldavicaDracocephalum moldavicat0
- Outcome
- dry weight of vegetative bodye5
- Direction
- non significant correlatione5
- Comparator
- stem diametere5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dracocephalum moldavica”
e5“there was or non significant correlation between of dry weight of vegetative body and stem diameter”
Claim · model-written summary
Leaf dry weight had a significant positive correlation with fresh weight, dry weight of the vegetative body and plant height.
- Taxon
- Dracocephalum moldavicaDracocephalum moldavicat0
- Outcome
- Leaf dry weighte6
- Direction
- positive correlatione6
- Comparator
- fresh weight of vegetative body, dry weight of vegetative body and plant heighte6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dracocephalum moldavica”
e6“Leaf dry weight had significant and positive correlation with fresh weight of vegetative body, dry weight of vegetative body and plant height and stem number but was or non significantly correlated with diameter and length of stem inter node”
Claim · model-written summary
Leaf dry weight had a significant positive correlation with stem number.
- Taxon
- Dracocephalum moldavicaDracocephalum moldavicat0
- Outcome
- Leaf dry weighte6
- Direction
- positive correlatione6
- Comparator
- stem numbere6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dracocephalum moldavica”
e6“Leaf dry weight had significant and positive correlation with fresh weight of vegetative body, dry weight of vegetative body and plant height and stem number but was or non significantly correlated with diameter and length of stem inter node”
Claim · model-written summary
Leaf dry weight was not significantly correlated with stem diameter or internode length.
- Taxon
- Dracocephalum moldavicaDracocephalum moldavicat0
- Outcome
- Leaf dry weighte6
- Direction
- non significantly correlatede6
- Comparator
- diameter and length of stem inter nodee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dracocephalum moldavica”
e6“Leaf dry weight had significant and positive correlation with fresh weight of vegetative body, dry weight of vegetative body and plant height and stem number but was or non significantly correlated with diameter and length of stem inter node”
The same questions in other papers
drought · growth · Dracocephalum moldavicaPositive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- negative
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.