Abstract
Summary The effects of EDTA (ethylene diamine tetraacetic acid), Kresoxim‐methyl, Wettable Sulphur 80 WP and the surfactants Triton X‐100, Triton X‐114, Dehydol TA 5 and Dehydol TA 29 on pollen tube growth of Malus domestica , Borkh. cvs ‘Golden Delicious’ and ‘Mondial Gala’ were determined by image analysis. The ED 50 ‐ and ED 90 ‐ values (effective doses giving 50% and 90% reduction of growth) of the chemicals, except for the surfactants, were determined. The selected test substances showed an inhibiting effect on pollen tube growth, with Kresoxim‐methyl being the most active. Surfactants are components of pesticides and they also caused inhibition of pollen tube growth but only at application rates more then 10‐fold higher than typically recommended. Pollen of both apple cultivars were almost equally sensitive to the chemicals.
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Claims 4
Claim · model-written summary
The selected test substances inhibited apple pollen tube growth.
- Taxon
- apple
Malus domesticat0 - Treatment
- selected test substancese1
- Outcome
- pollen tube growthe1
- Direction
- inhibitinge1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Inhibition of the growth of apple pollen tubes by EDTA, surfactants and fungicides”
e1“The selected test substances showed an inhibiting effect on pollen tube growth”
Claim · model-written summary
Kresoxim-methyl was the most active test substance in inhibiting apple pollen tube growth.
- Taxon
- appleMalus domesticat0
- Treatment
- Kresoxim‐methyle2
- Outcome
- pollen tube growthe1
- Direction
- most activee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Inhibition of the growth of apple pollen tubes by EDTA, surfactants and fungicides”
e1“The selected test substances showed an inhibiting effect on pollen tube growth”
e2“with Kresoxim‐methyl being the most active”
Claim · model-written summary
Surfactants inhibited apple pollen tube growth only at application rates well above those typically recommended.
- Taxon
- appleMalus domesticat0
- Treatment
- Surfactantse3
- Outcome
- pollen tube growthe3
- Direction
- inhibitione3
- Qualifier
- only at application ratese3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Inhibition of the growth of apple pollen tubes by EDTA, surfactants and fungicides”
e3“Surfactants are components of pesticides and they also caused inhibition of pollen tube growth but only at application rates”
Claim · model-written summary
Pollen of both apple cultivars was almost equally sensitive to the chemicals.
- Taxon
- appleMalus domesticat0
- Organ / stage
- Pollene4
- Outcome
- sensitivee4
- Direction
- almost equallye4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Inhibition of the growth of apple pollen tubes by EDTA, surfactants and fungicides”
e4“Pollen of both apple cultivars were almost equally sensitive to the chemicals”
The same questions in other papers
surfactant · growth · Malus domestica (apple)Positive and negative results
1 paper in the same direction as this paper · 3 in the opposite direction
- 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.