Paper · 2012 · Shengtaixue zazhi

Effects of diversity cultivation of konjac and maize in controlling konjac’s soft rot disease in Yunnan Province, Southwest China

Zhu Youyong

11
claims
24
verbatim quotes
4
citations
2
research areas
—
Not open access

Abstract

A field experiment with diversity cultivation of konjac and maize was conducted in Fuyuan County of Yunnan Province to study the konjac’s soft rot disease incidence, plant growth, and isolation efficiency of Erwinia carotovora causing konjac’s soft rot. Among the test cultivation modes, konjac and maize rotation was most effective in controlling konjac’s soft rot disease, which could decrease the preliminary infection sources and delay the peak of disease incidence for one month. In the rotation field, intercropping maize with konjac decreased the disease severity by 59%, as compared with konjac monocropping, and the isolation efficiency of E. carotovora from the tuber of intercropped konjac was significantly lower than that of monocropped konjac. In intercropping system, there was a significant difference in konjac height but little difference in soft rot disease incidence among different cultivation lines. However, the isolation efficiency of E. carotovora from infected plant was significantly different, and there was a positive correlation between the isolation efficiency and the line distance. It was suggested that konjac and maize rotation combined with intercropping could be an efficient way for controlling konjac’s soft rot disease, and maize would be the physical barrier for the pathogen spread in intercropping system.

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Claims 11

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Konjac and maize rotation was the most effective cultivation mode for controlling konjac soft rot.

Treatment
konjac and maize rotatione1
Outcome
soft rot diseasee1
Direction
most effectivee1

Not reportedComparator

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

Amorphophallus konjac
Amorphophallus konjac · TaxonAdam Kranz · CC0 · iNaturalist ↗

Verbatim

t0

“diversity cultivation of konjac and maize”

✓ located verbatim in the source · title, characters 11–52 · show in text ↑
e1

“Among the test cultivation modes, konjac and maize rotation was most effective in controlling konjac’s soft rot disease”

✓ located verbatim in the source · abstract, characters 254–373 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Konjac and maize rotation delayed the peak of soft rot disease incidence by one month.

Treatment
konjac and maize rotatione1
Outcome
the peak of disease incidencee2
Direction
delaye2
Value
one monthe2

Not reportedComparator

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

Amorphophallus konjac
Amorphophallus konjac · TaxonAdam Kranz · CC0 · iNaturalist ↗

Verbatim

t0

“diversity cultivation of konjac and maize”

✓ located verbatim in the source · title, characters 11–52 · show in text ↑
e1

“Among the test cultivation modes, konjac and maize rotation was most effective in controlling konjac’s soft rot disease”

✓ located verbatim in the source · abstract, characters 254–373 · show in text ↑
e2

“which could decrease the preliminary infection sources and delay the peak of disease incidence for one month”

✓ located verbatim in the source · abstract, characters 375–483 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Konjac and maize rotation decreased preliminary infection sources.

Treatment
konjac and maize rotatione1
Outcome
preliminary infection sourcese2
Direction
decreasee2

Not reportedComparator

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

Amorphophallus konjac
Amorphophallus konjac · TaxonAdam Kranz · CC0 · iNaturalist ↗

Verbatim

t0

“diversity cultivation of konjac and maize”

✓ located verbatim in the source · title, characters 11–52 · show in text ↑
e1

“Among the test cultivation modes, konjac and maize rotation was most effective in controlling konjac’s soft rot disease”

✓ located verbatim in the source · abstract, characters 254–373 · show in text ↑
e2

“which could decrease the preliminary infection sources and delay the peak of disease incidence for one month”

✓ located verbatim in the source · abstract, characters 375–483 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropping maize with konjac decreased soft rot disease severity by 59% compared with konjac monocropping.

Treatment
intercropping maize with konjace3
Outcome
disease severitye3
Direction
decreasede3
Value
59%e3
Comparator
konjac monocroppinge3

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

Amorphophallus konjac
Amorphophallus konjac · TaxonAdam Kranz · CC0 · iNaturalist ↗

Verbatim

t0

“diversity cultivation of konjac and maize”

✓ located verbatim in the source · title, characters 11–52 · show in text ↑
e3

“intercropping maize with konjac decreased the disease severity by 59%, as compared with konjac monocropping”

✓ located verbatim in the source · abstract, characters 508–615 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Erwinia carotovora was isolated significantly less often from intercropped konjac tubers than from monocropped konjac.

Treatment
intercropped konjace4
Interactor
E. carotovoraPectobacterium carotovorume4pathogen
Outcome
isolation efficiency of E. carotovorae4
Direction
lowere4
Comparator
monocropped konjace4

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

Amorphophallus konjac
Amorphophallus konjac · TaxonAdam Kranz · CC0 · iNaturalist ↗
Pectobacterium carotovorum
Pectobacterium carotovorum · InteractorNinjatacoshell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“diversity cultivation of konjac and maize”

✓ located verbatim in the source · title, characters 11–52 · show in text ↑
e4

“the isolation efficiency of E. carotovora from the tuber of intercropped konjac was significantly lower than that of monocropped konjac”

✓ located verbatim in the source · abstract, characters 621–756 · show in text ↑
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

In intercropping, konjac height differed significantly among cultivation lines.

Outcome
konjac heighte5
Comparator
different cultivation linese5

Not reportedDirection

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

Amorphophallus konjac
Amorphophallus konjac · TaxonAdam Kranz · CC0 · iNaturalist ↗

Verbatim

t0

“diversity cultivation of konjac and maize”

✓ located verbatim in the source · title, characters 11–52 · show in text ↑
e5

“there was a significant difference in konjac height but little difference in soft rot disease incidence among different cultivation lines”

✓ located verbatim in the source · abstract, characters 783–920 · show in text ↑
Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

In intercropping, soft rot disease incidence showed little difference among cultivation lines.

Outcome
soft rot disease incidencee5
Comparator
different cultivation linese5

Not reportedDirection

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

Amorphophallus konjac
Amorphophallus konjac · TaxonAdam Kranz · CC0 · iNaturalist ↗

Verbatim

t0

“diversity cultivation of konjac and maize”

✓ located verbatim in the source · title, characters 11–52 · show in text ↑
e5

“there was a significant difference in konjac height but little difference in soft rot disease incidence among different cultivation lines”

✓ located verbatim in the source · abstract, characters 783–920 · show in text ↑
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Isolation efficiency of E. carotovora from infected konjac plants differed significantly among cultivation lines.

Interactor
E. carotovoraPectobacterium carotovorume6pathogen
Outcome
isolation efficiency of E. carotovorae6

Not reportedDirection

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

Amorphophallus konjac
Amorphophallus konjac · TaxonAdam Kranz · CC0 · iNaturalist ↗
Pectobacterium carotovorum
Pectobacterium carotovorum · InteractorNinjatacoshell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“diversity cultivation of konjac and maize”

✓ located verbatim in the source · title, characters 11–52 · show in text ↑
e6

“the isolation efficiency of E. carotovora from infected plant was significantly different, and there was a positive correlation between the isolation efficiency and the line distance”

✓ located verbatim in the source · abstract, characters 931–1113 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Isolation efficiency of E. carotovora is positively correlated with the distance between lines.

Treatment
the line distancee6
Interactor
E. carotovoraPectobacterium carotovorume6pathogen
Outcome
isolation efficiencye6
Direction
positivee6

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

Amorphophallus konjac
Amorphophallus konjac · TaxonAdam Kranz · CC0 · iNaturalist ↗
Pectobacterium carotovorum
Pectobacterium carotovorum · InteractorNinjatacoshell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“diversity cultivation of konjac and maize”

✓ located verbatim in the source · title, characters 11–52 · show in text ↑
e6

“the isolation efficiency of E. carotovora from infected plant was significantly different, and there was a positive correlation between the isolation efficiency and the line distance”

✓ located verbatim in the source · abstract, characters 931–1113 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors suggest konjac and maize rotation combined with intercropping as an efficient control method for soft rot.

Outcome
konjac and maize rotation combined with intercroppinge7

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

Amorphophallus konjac
Amorphophallus konjac · TaxonAdam Kranz · CC0 · iNaturalist ↗

Verbatim

t0

“diversity cultivation of konjac and maize”

✓ located verbatim in the source · title, characters 11–52 · show in text ↑
e7

“It was suggested that konjac and maize rotation combined with intercropping could be an efficient way for controlling”

✓ located verbatim in the source · abstract, characters 1115–1232 · show in text ↑
Mechanismhypothesisoriginal resultpositivebasis n/a

Claim · model-written summary

Maize may act as a physical barrier to pathogen spread in intercropping (hypothesis).

Outcome
pathogen spreade7
Qualifier
physical barriere7

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

Amorphophallus konjac
Amorphophallus konjac · TaxonAdam Kranz · CC0 · iNaturalist ↗

Verbatim

t0

“diversity cultivation of konjac and maize”

✓ located verbatim in the source · title, characters 11–52 · show in text ↑
e7

“maize would be the physical barrier for the pathogen spread in intercropping system”

✓ located verbatim in the source · abstract, characters 1264–1347 · show in text ↑

Zea mays · disease · Amorphophallus konjac (konjac)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

intercropping · disease · Amorphophallus konjac (konjac)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 →

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.