Abstract
Pea (Pisum sativum L.) is of global importance as a food crop for its edible pod and seed. A new disease causing the tan to light brown blighted stems and pods has occurred in pea (P. sativum L.) plants in Chapainawabganj district, Bangladesh. A fungus with white-appressed mycelia and large sclerotia was consistently isolated from symptomatic tissues. The fungus formed funnel-shaped apothecia with sac-like ascus and endogenously formed ascospores. Healthy pea plants inoculated with the fungus produced typical white mold symptoms. The internal transcribed spacer sequences of the fungus were 100% similar to Sclerotinia sclerotiorum, considering the fungus to be the causative agent of white mold disease in pea, which was the first record in Bangladesh. Mycelial growth and sclerotial development of S. sclerotiorum were favored at 20°C and pH 5.0. Glucose was the best carbon source to support hyphal growth and sclerotia formation. Bavistin and Amistar Top inhibited the radial growth of the fungus completely at the lowest concentration. In planta, foliar application of Amistar Top showed the considerable potential to control the disease at 1.0% concentration until 7 days after spraying, while Bavistin prevented infection significantly until 15 days after spraying. A large majority (70.93%) of genotypes, including tested released pea cultivars, were susceptible, while six genotypes (6.98%) appeared resistant to the disease. These results on identification, characterization, host resistance, and fungicidal control of white mold could be valuable to achieve improved management of a new disease problem for pea cultivation.
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Claims 11
Claim · model-written summary
A new pea disease caused tan to light brown blighted stems and pods in Bangladesh.
- Taxon
- pea
Lathyrus oleraceuse0 - Organ / stage
- stems and podse0
- Outcome
- tan to light brown blighted stems and podse0
- Setting
- Chapainawabganj district, Bangladeshe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A new disease causing the tan to light brown blighted stems and pods has occurred in pea (P. sativum L.) plants in Chapainawabganj district, Bangladesh.”
Claim · model-written summary
Inoculation of healthy pea plants reproduced typical white mold symptoms.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- inoculated with the funguse0
- Interactor
- the funguse0pathogen
- Outcome
- typical white mold symptomse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Healthy pea plants inoculated with the fungus produced typical white mold symptoms.”
Claim · model-written summary
ITS sequence identity identified Sclerotinia sclerotiorum as the pea white mold agent and the first record in Bangladesh.
- Taxon
- peaLathyrus oleraceuse0
- Interactor
- Sclerotinia sclerotiorum
Sclerotinia sclerotiorume0pathogen - Outcome
- causative agent of white mold diseasee0
- Value
- 100%e0
- Setting
- Bangladeshe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The internal transcribed spacer sequences of the fungus were 100% similar to Sclerotinia sclerotiorum, considering the fungus to be the causative agent of white mold disease in pea, which was the first record in Bangladesh.”
Claim · model-written summary
Sclerotinia mycelial growth and sclerotial development were favored at 20°C and pH 5.0.
- Taxon
- peaLathyrus oleraceust0
- Interactor
- S. sclerotiorumSclerotinia sclerotiorume0pathogen
- Outcome
- Mycelial growth and sclerotial development of S. sclerotiorume0
- Direction
- favorede0
- Value
- 20°C and pH 5.0e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mycelial growth and sclerotial development of S. sclerotiorum were favored at 20°C and pH 5.0.”
t0“pea”
Claim · model-written summary
Glucose best supported pathogen hyphal growth and sclerotia formation.
- Taxon
- peaLathyrus oleraceust0
- Interactor
- Sclerotinia sclerotiorumSclerotinia sclerotiorumt0pathogen
- Compound
- Glucosee0
- Outcome
- hyphal growth and sclerotia formatione0
- Direction
- beste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glucose was the best carbon source to support hyphal growth and sclerotia formation.”
t0“Sclerotinia sclerotiorum causing white mold in pea”
Claim · model-written summary
Bavistin completely inhibited fungal radial growth at the lowest concentration.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- Bavistine0
- Interactor
- the funguse0pathogen
- Outcome
- radial growth of the funguse0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bavistin and Amistar Top inhibited the radial growth of the fungus completely at the lowest concentration.”
t0“pea”
Claim · model-written summary
Amistar Top completely inhibited fungal radial growth at the lowest concentration.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- Amistar Tope0
- Interactor
- the funguse0pathogen
- Outcome
- radial growth of the funguse0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bavistin and Amistar Top inhibited the radial growth of the fungus completely at the lowest concentration.”
t0“pea”
Claim · model-written summary
Foliar Amistar Top at 1.0% controlled disease for seven days after spraying.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- foliar application of Amistar Tope0
- Interactor
- Sclerotinia sclerotiorumSclerotinia sclerotiorumt0pathogen
- Outcome
- the diseasee0
- Direction
- controle0
- Value
- 1.0%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar application of Amistar Top showed the considerable potential to control the disease at 1.0% concentration until 7 days after spraying”
t0“Sclerotinia sclerotiorum causing white mold in pea”
Claim · model-written summary
Bavistin significantly prevented infection through 15 days after spraying.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- Bavistine0
- Interactor
- Sclerotinia sclerotiorumSclerotinia sclerotiorumt0pathogen
- Outcome
- infectione0
- Direction
- preventede0
- Qualifier
- until 15 days after sprayinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bavistin prevented infection significantly until 15 days after spraying.”
t0“Sclerotinia sclerotiorum causing white mold in pea”
Claim · model-written summary
70.93% of tested pea genotypes were susceptible to white mold.
- Taxon
- peaLathyrus oleraceust0
- Material
- genotypese0
- Interactor
- Sclerotinia sclerotiorumSclerotinia sclerotiorumt0pathogen
- Outcome
- susceptiblee0
- Value
- 70.93%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A large majority (70.93%) of genotypes, including tested released pea cultivars, were susceptible”
t0“Sclerotinia sclerotiorum causing white mold in pea”
Claim · model-written summary
Six pea genotypes, 6.98%, appeared resistant to white mold.
- Taxon
- peaLathyrus oleraceust0
- Material
- genotypese0
- Interactor
- Sclerotinia sclerotiorumSclerotinia sclerotiorumt0pathogen
- Outcome
- resistant to the diseasee0
- Value
- 6.98%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“six genotypes (6.98%) appeared resistant to the disease.”
t0“Sclerotinia sclerotiorum causing white mold in pea”
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