Abstract
A systematic and comparative study on mutagenic ability of different doses of ethyl methane sulphonate (EMS, an alkylating agent), gamma rays (an ionizing radiation) and EMS + gamma rays was carried out in a well-adapted desi chickpea variety HPG17. All mutagenic treatments were effective in inducing genetic variability. A proportional decrease in germination of mutagen treated seeds as well as subsequent plant survival was observed with increase in mutagen dose. Not only higher doses but combined treatments having low doses of EMS + gamma rays also reduced seed germination and plant survival with highest reduction in seed germination at 200 Gy + 0.05% EMS and in plant survival at 150 Gy + 0.05%. EMS appears to be better than gamma rays in induction of macromutations as maximum frequency of macromutants was at EMS (0.10%). Mutagenic effectiveness and efficiency was also studied to identify the most effective mutagen treatment. Overall EMS was more effective than the gamma rays and combination treatments as maximum effectiveness was observed at 0.05% and 0.10% EMS, respectively. The 300 Gy + 0.05% EMS had the highest mutagenic efficiency.
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Claims 9
Claim · model-written summary
All mutagenic treatments induced genetic variability in chickpea.
- Taxon
- Chickpea
Cicer arietinumt0 - Treatment
- All mutagenic treatmentse0
- Outcome
- genetic variabilitye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chickpea (Cicer arietinum L.)”
e0“All mutagenic treatments were effective in inducing genetic variability.”
Claim · model-written summary
Germination decreased as mutagen dose increased.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- mutagen dosee0
- Outcome
- germinatione0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chickpea (Cicer arietinum L.)”
e0“A proportional decrease in germination of mutagen treated seeds as well as subsequent plant survival was observed with increase in mutagen dose.”
Claim · model-written summary
Plant survival decreased as mutagen dose increased.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- mutagen dosee0
- Outcome
- plant survivale0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chickpea (Cicer arietinum L.)”
e0“A proportional decrease in germination of mutagen treated seeds as well as subsequent plant survival was observed with increase in mutagen dose.”
Claim · model-written summary
The greatest germination reduction occurred at 200 Gy plus 0.05% EMS.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- 200 Gy + 0.05% EMSe0
- Outcome
- seed germinatione0
- Direction
- highest reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chickpea (Cicer arietinum L.)”
e0“highest reduction in seed germination at 200 Gy + 0.05% EMS”
Claim · model-written summary
The greatest survival reduction occurred at 150 Gy plus 0.05% EMS.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- 150 Gy + 0.05%e0
- Outcome
- plant survivale0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chickpea (Cicer arietinum L.)”
e0“in plant survival at 150 Gy + 0.05%”
Claim · model-written summary
EMS at 0.10% gave the maximum macromutant frequency.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- EMS (0.10%)e0
- Outcome
- frequency of macromutantse0
- Direction
- maximume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chickpea (Cicer arietinum L.)”
e0“maximum frequency of macromutants was at EMS (0.10%)”
Claim · model-written summary
EMS was more effective than gamma rays and combined treatments.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- EMSe0
- Outcome
- more effectivee0
- Direction
- more effectivee0
- Comparator
- gamma rays and combination treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chickpea (Cicer arietinum L.)”
e0“Overall EMS was more effective than the gamma rays and combination treatments”
Claim · model-written summary
EMS at 0.05% and 0.10% had maximum effectiveness.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- 0.05% and 0.10% EMSe0
- Outcome
- effectivenesse0
- Direction
- maximume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chickpea (Cicer arietinum L.)”
e0“maximum effectiveness was observed at 0.05% and 0.10% EMS”
Claim · model-written summary
The 300 Gy plus 0.05% EMS treatment had highest mutagenic efficiency.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- 300 Gy + 0.05% EMSe0
- Outcome
- mutagenic efficiencye0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chickpea (Cicer arietinum L.)”
e0“The 300 Gy + 0.05% EMS had the highest mutagenic efficiency.”
The same questions in other papers
ethyl methanesulfonate · growth · Cicer arietinum (chickpea)Results differ
6 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
4 papers more in this group
See all 8 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.