Abstract
Levels of phosphite inhibitory to Phytophthora cinnamomi were reached in roots of sixmonth-old Persea americana cv Edranol within seven days after injection with phosphorous acid. Scanning electron microscope (SEM) studies showed no significant differences in the cyst's ability to germinate and infect phosphorous acid treated or control roots. SEM showed severe deterioration of root surfaces in untreated control roots compared to phosphorous acid treated roots. The detached root technique described by Botha et al (1989) proved to be an excellent in vitro method of testing the effectiveness of antifungal activity of systemic fungicides when a highly susceptible plant is used.
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Claims 4
Claim · model-written summary
Inhibitory phosphite levels were reached in roots within seven days of injection.
- Taxon
- avocado
Persea americanat0 - Material
- Persea americana cv Edranole0
- Treatment
- injection with phosphorous acide0
- Interactor
- Phytophthora cinnamomi
Phytophthora cinnamomie0pathogen - Outcome
- Levels of phosphite inhibitory to Phytophthora cinnamomie0
- Qualifier
- within seven dayse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Levels of phosphite inhibitory to Phytophthora cinnamomi were reached in roots of sixmonth-old Persea americana cv Edranol within seven days after injection with phosphorous acid.”
t0“avocado”
Claim · model-written summary
Cyst germination and infection did not differ significantly between treated and control roots.
- Taxon
- avocadoPersea americanat0
- Treatment
- phosphorous acid treatede0
- Interactor
- Phytophthora cinnamomiPhytophthora cinnamomit1pathogen
- Outcome
- cyst's ability to germinate and infecte0
- Direction
- no significant differencese0
- Comparator
- control rootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant differences in the cyst's ability to germinate and infect phosphorous acid treated or control roots.”
t0“avocado”
t1“Phytophthora cinnamomi”
Claim · model-written summary
Untreated control roots had more severe surface deterioration than treated roots.
- Taxon
- avocadoPersea americanat0
- Treatment
- phosphorous acid treated rootse0
- Interactor
- Phytophthora cinnamomiPhytophthora cinnamomit1pathogen
- Outcome
- deterioration of root surfacese0
- Direction
- severee0
- Comparator
- untreated control rootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“severe deterioration of root surfaces in untreated control roots compared to phosphorous acid treated roots.”
t0“avocado”
t1“Phytophthora cinnamomi”
Claim · model-written summary
The detached root technique proved an excellent in vitro test of systemic fungicide activity with susceptible plants.
- Taxon
- avocadoPersea americanat0
- Outcome
- excellent in vitro method of testing the effectiveness of antifungal activity of systemic fungicidese0
- Qualifier
- when a highly susceptible plant is usede0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The detached root technique described by Botha et al (1989) proved to be an excellent in vitro method of testing the effectiveness of antifungal activity of systemic fungicides when a highly susceptible plant is used.”
t0“avocado”
The same questions in other papers
phosphorous acid · Phytophthora cinnamomi · Persea americana (avocado)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
application · Phytophthora cinnamomi · Persea americana (avocado)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 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.