Paper · 2015 · NBU Journal of Plant Sciences

Integrated management of seedling blight disease of tea caused by Sclerotium rolfsi

Indramani Bhagat; Biswanath Chakraborty

4
claims
8
verbatim quotes
0
citations
3
research areas
✓
Open access

Abstract

Tea is one of the important plantation crops in Nepal. One of the important fungal pathogens Sclerotium rolfsii, causing seedling blight disease in tea was found to be predominant in the nursery grown plants. The art and science of plant disease control has moved in the direction of biological control of plant pathogen is a distinct possibility for the future and can be successfully exploited in modern agriculture, especially within the framework of integrated disease management systems. Effective integrated management practices against S. rolfsii were developed using neem cake, oil cake, aqueous leaf extract of Azadirachta indica, bio-control agent like Trichoderma harzianum and calixin (0.1 vi%) in vivo. Combination with cow dung, neem cake, oil cake, chicken manure and rabbit manure, disease reduction were insignificant. However, combination with neem cake and oil cake showed 66.4% disease incidence, whereas in oil cake, neem cake and Azadirachta indica in combination disease incidence were recorded 11.1%. Under pot culture conditions T. harzianum alone and in combination with neem cake, oil cake and Azadirachta indica provided best effective management practices of seedling blight in all the three modes of application viz., simultaneous, repeated and post infection.

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Claims 4

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The combination of neem cake and oil cake showed 66.4% disease incidence of Sclerotium rolfsi in tea.

Taxon
teat0
Treatment
neem cake and oil cakee1
Interactor
Sclerotium rolfsit0pathogen
Outcome
disease incidencee1
Value
66.4%e1

Not reportedComparatorDirection

Verbatim

t0

“Integrated management of seedling blight disease of tea caused by Sclerotium rolfsi”

✓ located verbatim in the source · title, characters 0–83 · show in text ↑
e1

“combination with neem cake and oil cake showed 66.4% disease incidence”

✓ located verbatim in the source · abstract, characters 845–915 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The combination of oil cake, neem cake and Azadirachta indica showed 11.1% disease incidence of Sclerotium rolfsi in tea.

Taxon
teat0
Treatment
oil cake, neem cake and Azadirachta indica in combinatione2
Interactor
Sclerotium rolfsit0pathogen
Outcome
disease incidencee2
Value
11.1%e2

Not reportedComparatorDirection

Verbatim

t0

“Integrated management of seedling blight disease of tea caused by Sclerotium rolfsi”

✓ located verbatim in the source · title, characters 0–83 · show in text ↑
e2

“in oil cake, neem cake and Azadirachta indica in combination disease incidence were recorded 11.1%”

✓ located verbatim in the source · abstract, characters 925–1023 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under pot culture conditions, Trichoderma harzianum alone and combined with organic amendments gave the best management of seedling blight.

Taxon
teat0
Treatment
T. harzianum alone and in combination with neem cake, oil cake and Azadirachta indicae3
Interactor
Sclerotium rolfsit0pathogen
Second interactor
T. harzianumTrichoderma harzianume3biocontrol_agent
Outcome
seedling blighte3
Direction
beste3
Setting
pot culture conditionse3

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Trichoderma harzianum
Trichoderma harzianum · Second interactorUS Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, [1] · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Integrated management of seedling blight disease of tea caused by Sclerotium rolfsi”

✓ located verbatim in the source · title, characters 0–83 · show in text ↑
e3

“Under pot culture conditions T. harzianum alone and in combination with neem cake, oil cake and Azadirachta indica provided best effective management practices of seedling blight in all the three modes of application viz., simultaneous, repeated and post infection”

✓ located verbatim in the source · abstract, characters 1025–1289 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Disease reduction with cow dung, neem cake, oil cake, chicken manure and rabbit manure combinations was insignificant in tea.

Taxon
teat0
Treatment
Combination with cow dung, neem cake, oil cake, chicken manure and rabbit manuree4
Interactor
Sclerotium rolfsit0pathogen
Outcome
disease reductione4
Direction
insignificante4

Not reportedComparator

Verbatim

t0

“Integrated management of seedling blight disease of tea caused by Sclerotium rolfsi”

✓ located verbatim in the source · title, characters 0–83 · show in text ↑
e4

“Combination with cow dung, neem cake, oil cake, chicken manure and rabbit manure, disease reduction were insignificant”

✓ located verbatim in the source · abstract, characters 716–834 · show in text ↑

Trichoderma harzianum · disease · Camellia sinensis (black tea)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this paper

  1. positive
  2. positive
See all 3 papers →

botanical · control · Camellia sinensis (black tea)Positive and negative results

3 papers: 1 positive, 2 negative or no effect

1 paper in the same direction as this paper · 1 in the opposite direction

  1. positive
  2. negative
See all 3 papers →

botanical · disease · Camellia sinensis (black tea)Positive and negative results

4 papers: 3 positive, 1 negative or no effect

2 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive
See all 4 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.