Abstract
A preparation of Trichoderma harzianum was sprayed on cucumber plants in greenhouses in order to control fruit and stem grey mould. Up to 90% control was achieved by the biocontrol agent (0·5–1·0 g/l) which in most experiments under commercial conditions was as effective as the dicarboximide fungicides iprodione or vinclozolin (0·5 g/l each) alone or alternated with diethofencarb + carbendazim (0·25 g/l each). However, in one experiment disease incidence in Trichoderma ‐treated plots did not differ significantly from the control. A mixture of T. harzianum with a dicarboximide fungicide resulted in up to 96% control of grey mould. In this case control was always significant ( P =0·05) but improvement of control compared with each treatment alone was not significant ( P =0·05). The alternation of sprays with the biocontrol preparation and with a dicarboximide fungicide was tested in three out of the five experiments and was found to be effective, thus enabling a reduction in the use of chemical sprays. Populations of T. harzianum were on a level of 3 × 10 5 ‐8 × 10 5 c.f.u. per leaf and ten times lower on one fruit. They remained high after the second and third sprays. Conditions favouring the ability of T. harzianum to control grey mould were temperatures above 20°C and relative humidity between 80 and 97%.
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Claims 10
Claim · model-written summary
Trichoderma treatment achieved up to 90% grey mould control.
- Taxon
- cucumber
Cucumis sativust0 - Treatment
- biocontrol agent (0·5–1·0 g/l)e0
- Outcome
- controle0
- Value
- 90%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Up to 90% control was achieved by the biocontrol agent (0·5–1·0 g/l)”
t0“cucumber grey mould”
Claim · model-written summary
Trichoderma was usually as effective as dicarboximide fungicides.
- Taxon
- cucumberCucumis sativust0
- Outcome
- as effectivee0
- Direction
- as effectivee0
- Comparator
- dicarboximide fungicides iprodione or vinclozoline0
- Setting
- commercial conditionse0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in most experiments under commercial conditions was as effective as the dicarboximide fungicides iprodione or vinclozolin (0·5 g/l each) alone or alternated with diethofencarb + carbendazim (0·25 g/l each)”
t0“cucumber grey mould”
Claim · model-written summary
One experiment found no significant disease-incidence difference between Trichoderma and control.
- Taxon
- cucumberCucumis sativust0
- Treatment
- Trichoderma ‐treated plotse0
- Outcome
- disease incidencee0
- Direction
- did not differe0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in one experiment disease incidence in Trichoderma ‐treated plots did not differ significantly from the control”
t0“cucumber grey mould”
Claim · model-written summary
A Trichoderma–fungicide mixture achieved up to 96% grey mould control.
- Taxon
- cucumberCucumis sativust0
- Treatment
- A mixture of T. harzianum with a dicarboximide fungicidee0
- Interactor
- T. harzianum
Trichoderma harzianume0biocontrol_agent - Outcome
- control of grey moulde0
- Value
- 96%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A mixture of T. harzianum with a dicarboximide fungicide resulted in up to 96% control of grey mould.”
t0“cucumber grey mould”
Claim · model-written summary
The mixture did not significantly improve control over each treatment alone.
- Taxon
- cucumberCucumis sativust0
- Outcome
- improvement of controle0
- Comparator
- each treatment alonee0
Not reportedTreatmentDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“improvement of control compared with each treatment alone was not significant ( P =0·05)”
t0“cucumber grey mould”
Claim · model-written summary
Alternating biocontrol and fungicide sprays was effective and reduced chemical sprays.
- Taxon
- cucumberCucumis sativust0
- Treatment
- alternation of sprays with the biocontrol preparation and with a dicarboximide fungicidee0
- Outcome
- effectivee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The alternation of sprays with the biocontrol preparation and with a dicarboximide fungicide was tested in three out of the five experiments and was found to be effective, thus enabling a reduction in the use of chemical sprays.”
t0“cucumber grey mould”
Claim · model-written summary
Trichoderma populations were 3 × 10 5 ‐8 × 10 5 c.f.u. per leaf.
- Taxon
- cucumberCucumis sativust0
- Interactor
- T. harzianumTrichoderma harzianume0biocontrol_agent
- Outcome
- Populations of T. harzianume0
- Value
- 3 × 10 5 ‐8 × 10 5 c.f.u. per leafe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Populations of T. harzianum were on a level of 3 × 10 5 ‐8 × 10 5 c.f.u. per leaf”
t0“cucumber grey mould”
Claim · model-written summary
Trichoderma population on fruit was ten times lower than on leaves.
- Taxon
- cucumberCucumis sativust0
- Organ / stage
- fruite0
- Outcome
- ten times lower on one fruite0
- Direction
- lowere0
- Value
- ten timese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ten times lower on one fruit”
t0“cucumber grey mould”
Claim · model-written summary
Trichoderma populations stayed high after second and third sprays.
- Taxon
- cucumberCucumis sativust0
- Outcome
- remained highe0
- Direction
- highe0
- Qualifier
- after the second and third sprayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“They remained high after the second and third sprays.”
t0“cucumber grey mould”
Claim · model-written summary
Control was favored above 20°C and at 80–97% relative humidity.
- Taxon
- cucumberCucumis sativust0
- Treatment
- temperatures above 20°C and relative humidity between 80 and 97%e0
- Interactor
- T. harzianumTrichoderma harzianume0biocontrol_agent
- Outcome
- control grey moulde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Conditions favouring the ability of T. harzianum to control grey mould were temperatures above 20°C and relative humidity between 80 and 97%.”
t0“cucumber grey mould”
The same questions in other papers
Trichoderma · disease · Cucumis sativus (cucumber)Positive and negative results
1 paper in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
3 papers more in this group
See all 7 papers →Trichoderma harzianum · control · Cucumis sativus (cucumber)Results agree
1 paper in the same direction as this paper
- positive
biocontrol · control · Cucumis sativus (cucumber)Positive and negative results
4 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
3 papers more in this group
See all 7 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.