Abstract
Downy mildew (Pseudoperonospora cubensis) is one of the most important disease of cucumber under open field conditions. Hence, the experiment was conducted to study the efficacy of fungicides in management of downy mildew disease of cucumber (Cucumis sativus L.) under open field in Chauradi-7 Dhading during spring season, 2019. Bhaktapur local variety of cucumber was used for the study. The experiment was laid out in single factor randomized complete block design with four replications. Three different bio-fungicides; Trichoderma viride + Trichoderma harzianum, Bacillus subtilis, Verticillium lecanii and one chemical fungicide; Krilaxyl (metalaxyl 8% + mancozeb 64%) were used as treatments. Normal water spray served as control. It was observed that bio-fungicides had insignificant effect in controlling the downy mildew. Pathological observation such as disease incidence percentage, severity percentage and AUDPC in bio-fungicides treated plots were not significantly different from water-sprayed control plots. Similarly, biometric attributes such as number of fruit, length and diameter of fruit, weight of fruit were also non-significant. Krilaxyl resulted significant effect in controlling downy mildew, providing maximum disease reduction (37.48%-50.72%) with lowest disease incidence (1.25-61.25%) and lowest value of AUDPC (138.7). Krilaxyl treated plots had higher number of fruit (6), longer length of fruit (17.15-18.95), higher diameter of fruit (4.16- 4.45 cm) and higher weight of fruit (677 - 759 g). Hence, chemical fungicide Krilaxyl was found better for the management of downy mildew disease in open field cucumber cultivation. Further, researches on bio-fungicides, especially of native strains are required for best result.
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Claims 10
Claim · model-written summary
Bio-fungicides did not significantly change downy mildew incidence, severity or AUDPC relative to water spray.
- Taxon
- cucumber
Cucumis sativust0 - Treatment
- bio-fungicidese0
- Interactor
- Pseudoperonospora cubensis
Pseudoperonospora cubensise1pathogen - Outcome
- disease incidence percentage, severity percentage and AUDPCe0
- Direction
- not significantly differente0
- Comparator
- water-sprayed control plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“disease incidence percentage, severity percentage and AUDPC in bio-fungicides treated plots were not significantly different from water-sprayed control plots”
t0“Downy mildew disease of Cucumber (Cucumis sativus L.)”
e1“Downy mildew (Pseudoperonospora cubensis)”
Claim · model-written summary
Bio-fungicides did not significantly change fruit number, dimensions or weight.
- Taxon
- CucumberCucumis sativust0
- Treatment
- bio-fungicidest1
- Outcome
- number of fruit, length and diameter of fruit, weight of fruite0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of fruit, length and diameter of fruit, weight of fruit were also non-significant”
t0“Cucumber (Cucumis sativus L.)”
t1“bio-fungicides treated plots”
Claim · model-written summary
Krilaxyl reduced downy mildew by 37.48%-50.72%.
- Taxon
- CucumberCucumis sativust0
- Treatment
- Krilaxyle0
- Outcome
- disease reductione0
- Direction
- reductione0
- Value
- 37.48%-50.72%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Krilaxyl resulted significant effect in controlling downy mildew, providing maximum disease reduction (37.48%-50.72%)”
t0“Cucumber (Cucumis sativus L.)”
Claim · model-written summary
Krilaxyl plots had the lowest downy mildew incidence, 1.25-61.25%.
- Taxon
- CucumberCucumis sativust0
- Treatment
- Krilaxylt1
- Outcome
- disease incidencee0
- Direction
- loweste0
- Value
- 1.25-61.25%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lowest disease incidence (1.25-61.25%)”
t0“Cucumber (Cucumis sativus L.)”
t1“Krilaxyl treated plots”
Claim · model-written summary
Krilaxyl plots had the lowest AUDPC, 138.7.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lowest value of AUDPC (138.7)”
t0“Cucumber (Cucumis sativus L.)”
t1“Krilaxyl treated plots”
Claim · model-written summary
Krilaxyl plots had more fruit, with a reported count of 6.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Krilaxyl treated plots had higher number of fruit (6)”
t0“Cucumber (Cucumis sativus L.)”
Claim · model-written summary
Krilaxyl plots had longer fruit, 17.15-18.95.
- Taxon
- CucumberCucumis sativust0
- Treatment
- Krilaxylt1
- Outcome
- length of fruite0
- Direction
- longere0
- Value
- 17.15-18.95e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“longer length of fruit (17.15-18.95)”
t0“Cucumber (Cucumis sativus L.)”
t1“Krilaxyl treated plots”
Claim · model-written summary
Krilaxyl plots had wider fruit, 4.16- 4.45 cm.
- Taxon
- CucumberCucumis sativust0
- Treatment
- Krilaxylt1
- Outcome
- diameter of fruite0
- Direction
- highere0
- Value
- 4.16- 4.45 cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher diameter of fruit (4.16- 4.45 cm)”
t0“Cucumber (Cucumis sativus L.)”
t1“Krilaxyl treated plots”
Claim · model-written summary
Krilaxyl plots had heavier fruit, 677 - 759 g.
- Taxon
- CucumberCucumis sativust0
- Treatment
- Krilaxylt1
- Outcome
- weight of fruite0
- Direction
- highere0
- Value
- 677 - 759 ge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher weight of fruit (677 - 759 g)”
t0“Cucumber (Cucumis sativus L.)”
t1“Krilaxyl treated plots”
Claim · model-written summary
The authors favored Krilaxyl for field management of cucumber downy mildew.
- Taxon
- cucumberCucumis sativuse0
- Outcome
- Krilaxyl was found better for the management of downy mildew diseasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chemical fungicide Krilaxyl was found better for the management of downy mildew disease in open field cucumber cultivation”
The same questions in other papers
biocontrol · Pseudoperonospora cubensis · Cucumis sativus (cucumber)Positive and negative results
1 in the opposite direction
- positive
biocontrol · growth · Cucumis sativus (cucumber)Positive and negative results
5 papers in the same direction as this paper · 11 in the opposite direction
- positive
- positive
- positive
13 papers more in this group
See all 17 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.