Abstract
Hot water treatments were applied to eradicate Phaeoacremonium inflatipes and Phaeomoniella chlamydospora from dormant grapevine wood. A thirty-minute hot water treatment at 51°C did not eliminate these pathogens from dormant wood cuttings. Cuttings first inoculated with Pa. chlamydospora or Pm. inflatipes or both fungi, and then subjected to a hot water treatment were either incubated in crispers, or planted for six to eight weeks. Vascular discoloration was scored followed by isolation from the cuttings onto potato dextrose agar amended with 0.1 g l-1 tetracycline (PDA-tet). Isolations confirmed the presence of the pathogens in the inoculated, hot-water treated cuttings as well as in the inoculated, untreated control cuttings. This finding, along with earlier research on the direct effect of hot water on the mycelium of these species, leads to the conclusion that hot water treatments are ineffective in eliminating vine decline pathogens from dormant wood.
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Claims 3
Claim · model-written summary
A thirty-minute 51°C hot-water treatment did not eliminate Phaeoacremonium inflatipes from dormant grapevine wood.
- Treatment
- A thirty-minute hot water treatment at 51°Ce0
- Interactor
- Phaeoacremonium inflatipesPhaeoacremonium inflatipese0pathogen
- Outcome
- Phaeoacremonium inflatipese0
- Direction
- did not eliminatee0
VitisNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Hot water treatments were applied to eradicate Phaeoacremonium inflatipes and Phaeomoniella chlamydospora from dormant grapevine wood. A thirty-minute hot water treatment at 51°C did not eliminate these pathogens from dormant wood cuttings.”
Claim · model-written summary
A thirty-minute 51°C hot-water treatment did not eliminate Phaeomoniella chlamydospora from dormant grapevine wood.
- Treatment
- A thirty-minute hot water treatment at 51°Ce0
- Interactor
- Phaeomoniella chlamydosporaPhaeomoniella chlamydosporae0pathogen
- Outcome
- Phaeomoniella chlamydosporae0
- Direction
- did not eliminatee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Hot water treatments were applied to eradicate Phaeoacremonium inflatipes and Phaeomoniella chlamydospora from dormant grapevine wood. A thirty-minute hot water treatment at 51°C did not eliminate these pathogens from dormant wood cuttings.”
Claim · model-written summary
Isolation confirmed pathogens remained in inoculated hot-water-treated cuttings and untreated controls.
- Treatment
- hot-water treated cuttingse0
- Outcome
- presence of the pathogense0
- Comparator
- untreated control cuttingse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Isolations confirmed the presence of the pathogens in the inoculated, hot-water treated cuttings as well as in the inoculated, untreated control cuttings.”
t0“Grapevine”
The same questions in other papers
heat · Phaeomoniella chlamydospora · VitisPositive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- negative
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.