Abstract
The explants of Cangxili, a pear ( Pyrus pyrifolia Nakai) genotype, were found to grow well on the medium MS+1.0 mg/L BA+ 0.02 mg/L NAA. The explants were soaked in a solution containing 8-hydroxyquinoline (8-HQS) for different time duration, the treatment for 20 min gave the most satisfactory results: it prevented the browning of the explants and had no inhibiting effect of their growth, with a browning rate of 10% and a survival rate of 90%. In contrast, 8-HQS treatment for 2 hr resulted in a 100% browning and 0% survival. Survival rate varied with the season of explant collection. Highest browning rate occurred in explants collected in April. From May on, the browning rate decreased, and it was reduced to 0 in October. In antioxidant treatments, lower temperature plus 20 min 8-HQS (0.002 mg/L) or sodium benzoate (0.2 mg/L) before inoculation appeared to be optimum for reducing browning rate and improving survival of the explants.
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Claims 11
Claim · model-written summary
Cangxili pear explants grew well on MS medium with BA and NAA.
- Taxon
- pear
_Poirier_Fleurs_et_feuilles.jpg?width=60)
Pyrus communise0 - Material
- Cangxilie0
- Treatment
- MS+1.0 mg/L BA+ 0.02 mg/L NAAe0
- Outcome
- grow welle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Poirier_Fleurs_et_feuilles.jpg?width=500)
Verbatim
e0“The explants of Cangxili, a pear ( Pyrus pyrifolia Nakai) genotype, were found to grow well on the medium MS+1.0 mg/L BA+ 0.02 mg/L NAA.”
Claim · model-written summary
A 20-minute 8-HQS soak prevented browning, with a 10% browning rate.
Not reportedTaxonComparator
Verbatim
e0“the treatment for 20 min gave the most satisfactory results: it prevented the browning of the explants and had no inhibiting effect of their growth, with a browning rate of 10% and a survival rate of 90%.”
Claim · model-written summary
The 20-minute treatment had a 90% explant survival rate.
Not reportedTaxon
Verbatim
e0“the treatment for 20 min gave the most satisfactory results: it prevented the browning of the explants and had no inhibiting effect of their growth, with a browning rate of 10% and a survival rate of 90%.”
Claim · model-written summary
A 20-minute treatment did not inhibit explant growth.
Not reportedTaxonComparator
Verbatim
e0“the treatment for 20 min gave the most satisfactory results: it prevented the browning of the explants and had no inhibiting effect of their growth”
Claim · model-written summary
Two-hour 8-HQS treatment yielded 100% browning.
Not reportedTaxon
Verbatim
e0“8-HQS treatment for 2 hr resulted in a 100% browning and 0% survival.”
Claim · model-written summary
Two-hour 8-HQS treatment yielded 0% survival.
Not reportedTaxon
Verbatim
e0“8-HQS treatment for 2 hr resulted in a 100% browning and 0% survival.”
Claim · model-written summary
Explant survival varied with collection season.
Not reportedTaxonDirection
Verbatim
e0“Survival rate varied with the season of explant collection.”
Claim · model-written summary
Explant browning was highest for April collections.
Not reportedTaxon
Verbatim
e0“Highest browning rate occurred in explants collected in April.”
Claim · model-written summary
Browning decreased from May and reached zero in October.
Not reportedTaxon
Verbatim
e0“From May on, the browning rate decreased, and it was reduced to 0 in October.”
Claim · model-written summary
Low temperature with 20-minute 8-HQS treatment appeared optimal for reducing browning and improving survival.
- Treatment
- lower temperature plus 20 min 8-HQS (0.002 mg/L)e0
- Outcome
- reducing browning rate and improving survivale0
Not reportedTaxon
Verbatim
e0“lower temperature plus 20 min 8-HQS (0.002 mg/L) or sodium benzoate (0.2 mg/L) before inoculation appeared to be optimum for reducing browning rate and improving survival of the explants.”
Claim · model-written summary
Low temperature with sodium benzoate appeared optimal for reducing browning and improving survival.
Not reportedTaxon
Verbatim
e0“lower temperature plus 20 min 8-HQS (0.002 mg/L) or sodium benzoate (0.2 mg/L) before inoculation appeared to be optimum for reducing browning rate and improving survival of the explants.”