Abstract
Besides many important morphological and physiological facets, an important consequence of abiotic stresses is an increase of reactive oxygen species (H2 O2) in the cells thereby causing adverse effects upon many metabolic functions. To investigate the effect of H2 O2 on some important metabolic activities, an experiment was designed under salinized medium (4mScm−1 NaCl) pre-treating the alfalfa seeds in 1,50 and 100 mM H2 O2 solution for eight hours. The penetration of H2 O2 in fresh seeds was observed to reduce at all concentrations attaining maximum at 5 hrs. It declined gradually up to water control at 6, 7 and 8 hrs. H2 O2 treatment brought about an improvement in shoot fresh and dry weight, leaf osmotic potential and crude proteins while mean germination time (MGT) was observed to curtail. It may be suggested that H2 O2 signaling activates the antioxidants vis-a-vis scavenging of hydrogen in seeds of alfalfa (Medicago sativa L.)
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Claims 5
Claim · model-written summary
H2O2 pre-treatment improved shoot fresh and dry weight of alfalfa under salinised medium.
- Taxon
- alfalfa
Medicago sativat0 - Treatment
- 1,50 and 100 mM H2 O2e1
- Outcome
- shoot fresh and dry weighte2
- Direction
- an improvemente2
- Qualifier
- salinized medium (4mScm−1 NaCl)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“IN ALFALFA PLANTS”
e0“under salinized medium (4mScm−1 NaCl)”
e1“pre-treating the alfalfa seeds in 1,50 and 100 mM H2 O2 solution for eight hours”
e2“H2 O2 treatment brought about an improvement in shoot fresh and dry weight, leaf osmotic potential and crude proteins”
Claim · model-written summary
H2O2 pre-treatment improved leaf osmotic potential and crude protein of alfalfa under salinised medium.
- Taxon
- alfalfaMedicago sativat0
- Treatment
- 1,50 and 100 mM H2 O2e1
- Outcome
- leaf osmotic potential and crude proteinse2
- Direction
- an improvemente2
- Qualifier
- salinized medium (4mScm−1 NaCl)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“IN ALFALFA PLANTS”
e0“under salinized medium (4mScm−1 NaCl)”
e1“pre-treating the alfalfa seeds in 1,50 and 100 mM H2 O2 solution for eight hours”
e2“H2 O2 treatment brought about an improvement in shoot fresh and dry weight, leaf osmotic potential and crude proteins”
Claim · model-written summary
H2O2 pre-treatment curtailed the mean germination time of alfalfa seeds.
- Taxon
- alfalfaMedicago sativat0
- Treatment
- 1,50 and 100 mM H2 O2e1
- Outcome
- mean germination time (MGT)e4
- Direction
- curtaile4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“IN ALFALFA PLANTS”
e1“pre-treating the alfalfa seeds in 1,50 and 100 mM H2 O2 solution for eight hours”
e4“mean germination time (MGT) was observed to curtail”
Claim · model-written summary
Penetration of H2O2 into fresh alfalfa seeds was observed to reduce at all concentrations, attaining its maximum at 5 hours.
- Taxon
- alfalfaMedicago sativat0
- Outcome
- penetration of H2 O2 in fresh seedse5
- Qualifier
- attaining maximum at 5 hrse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“IN ALFALFA PLANTS”
e5“The penetration of H2 O2 in fresh seeds was observed to reduce at all concentrations attaining maximum at 5 hrs”
Claim · model-written summary
H2O2 signalling is suggested to activate antioxidants that scavenge hydrogen in alfalfa seeds.
- Taxon
- alfalfaMedicago sativat0
- Compound
- H2 O2 signalinge6
- Outcome
- activates the antioxidantse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“IN ALFALFA PLANTS”
e6“H2 O2 signaling activates the antioxidants vis-a-vis scavenging of hydrogen in seeds of alfalfa”
The same questions in other papers
hydrogen peroxide · growth · Medicago sativa (alfalfa)Results differ
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
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.