Abstract
A major problem of arid and semi-arid regions is environmental stresses like salinity and drought. To study the effect of Artichoke germination under different levels of salinity and drought, two separate experiments were performed. The experimental treatments included different salinity levels of NaCl (0, 50, 100, 150 mM) and five drought levels by PEG (0, 10%, 15%, 20% and 25%) with three replications that used based on completely randomized design. Results showed that drought and salinity stresses reduced significantly germination rate, germination percent, and shoot length. In both conditions, there was insignificant difference between treatments for dry weight of root and shoot. There was insignificant difference between treatments for root length in salinity condition, but in drought condition, there was significant difference for this trait. Moisture range optimum for germination was determined from non-stress to 20% PEG concentration (in this study). It seemed that among traits, shoot length was more sensitive than others to salinity and drought stresses. It was observed that Common Yarrow fairly tolerated salinity better than drought conditions. It can be concluded that Common Yarrow can tolerate salinity up to 150 Mm, but in drought conditions it cannot germinate in 25% PEG.
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Claims 7
Claim · model-written summary
Drought stress reduced germination rate, germination percent and shoot length of Common Yarrow.
- Taxon
- Common Yarrowt0
- Treatment
- droughte1
- Outcome
- germination rate, germination percent, and shoot lengthe1
- Direction
- reducede1
Not reportedComparator
Verbatim
t0“Common Yarrow (Achillea millefolium L.)”
e1“Results showed that drought and salinity stresses reduced significantly germination rate, germination percent, and shoot length”
Claim · model-written summary
Salinity stress reduced germination rate, germination percent and shoot length of Common Yarrow.
- Taxon
- Common Yarrowt0
- Treatment
- salinity stressese1
- Outcome
- germination rate, germination percent, and shoot lengthe1
- Direction
- reducede1
Not reportedComparator
Verbatim
t0“Common Yarrow (Achillea millefolium L.)”
e1“Results showed that drought and salinity stresses reduced significantly germination rate, germination percent, and shoot length”
Claim · model-written summary
Shoot length was more sensitive than other traits to salinity and drought stress in Common Yarrow.
Verbatim
t0“Common Yarrow (Achillea millefolium L.)”
e3“shoot length was more sensitive than others to salinity and drought stresses”
Claim · model-written summary
Common Yarrow tolerated salinity better than drought.
Verbatim
t0“Common Yarrow (Achillea millefolium L.)”
e4“Common Yarrow fairly tolerated salinity better than drought conditions”
Claim · model-written summary
Common Yarrow can tolerate salinity up to 150 mM NaCl.
Verbatim
t0“Common Yarrow (Achillea millefolium L.)”
e5“It can be concluded that Common Yarrow can tolerate salinity up to 150 Mm”
Claim · model-written summary
Common Yarrow cannot germinate in 25% PEG drought conditions.
Verbatim
t0“Common Yarrow (Achillea millefolium L.)”
e6“but in drought conditions it cannot germinate in 25% PEG”
Claim · model-written summary
The moisture range optimum for germination of Common Yarrow extends from non-stress to 20% PEG.
Verbatim
t0“Common Yarrow (Achillea millefolium L.)”
e7“Moisture range optimum for germination was determined from non-stress to 20% PEG concentration”
The same questions in other papers
drought · growth · Achillea millefoliumPositive and negative results
1 in the opposite direction
- positive
salinity · growth · Achillea millefoliumResults agree
3 papers in the same direction as this paper
- negative
- no effect
- no effect
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.