Abstract
Reaction of the peanut explants cultured in vitro to crude R.solanacearum toxin was studied.The results showed that the plant′s resistance to the toxin could be determined by either smearing the toxin on the plant or mixing the toxin in the medium.It appeared that the percentage of callus formation on peanut leaf decreased as the toxin concentration increased,though not statistically significant among the samples.Based on the appearance of brown callus,the callus from the susceptible genotypes were more sensitive,showing greater browning,collapsing and other symptoms of damage,at earlier stage after treatment than the resistant plants.The in vitro observations seemed to parallel those in the field.
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Claims 4
Claim · model-written summary
Plant resistance to the toxin can be determined by smearing the toxin on the plant or by mixing it into the medium.
- Taxon
- peanut
Arachis hypogaeae0 - Interactor
- R.solanacearume0pathogen
- Outcome
- resistance to the toxine1
- Comparator
- mixing the toxin in the mediume1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reaction of the peanut explants cultured in vitro to crude R.solanacearum toxin was studied”
e1“resistance to the toxin could be determined by either smearing the toxin on the plant or mixing the toxin in the medium”
Claim · model-written summary
The percentage of callus formation on peanut leaf decreased as toxin concentration increased, though not statistically significant.
- Taxon
- peanutArachis hypogaeae0
- Organ / stage
- peanut leafe2
- Treatment
- toxin concentratione2
- Outcome
- percentage of callus formatione2
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reaction of the peanut explants cultured in vitro to crude R.solanacearum toxin was studied”
e2“the percentage of callus formation on peanut leaf decreased as the toxin concentration increased,though not statistically significant among the samples”
Claim · model-written summary
Callus from susceptible peanut genotypes showed greater browning and damage than callus from resistant plants, at an earlier stage after treatment.
- Taxon
- peanutArachis hypogaeae0
- Material
- susceptible genotypese3
- Organ / stage
- calluse3
- Outcome
- browninge3
- Direction
- greatere3
- Qualifier
- at earlier stage after treatmente3
- Comparator
- resistant plantse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reaction of the peanut explants cultured in vitro to crude R.solanacearum toxin was studied”
e3“the callus from the susceptible genotypes were more sensitive,showing greater browning,collapsing and other symptoms of damage,at earlier stage after treatment than the resistant plants”
Claim · model-written summary
In vitro observations seemed to parallel the field observations.
- Taxon
- peanutArachis hypogaeae0
- Outcome
- in vitro observationse4
- Qualifier
- seemed to parallele4
- Comparator
- those in the fielde4
- Setting
- in vitroe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reaction of the peanut explants cultured in vitro to crude R.solanacearum toxin was studied”
e4“The in vitro observations seemed to parallel those in the field”
The same questions in other papers
pathogen product · growth · Arachis hypogaea (peanut)Positive and negative results
4 papers in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
6 papers more in this group
See all 10 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.