Abstract
In the present investigation, we have attempted to identify the potential two epiphytic yeast strains for growth promotion and management of chilli fruit rot. Seed treatment with Pichia guilliermondii showed increased seedling vigour index (55%), fresh weight (96%) and dry weight (45%) over untreated control. Furthermore, P. guilliermondii showed higher root colonisation ability, indole-3-acetic acid (IAA) production and phosphate solubilisation ability. On the other hand, seedling dip with Hanseniaspora uvarum induced higher levels of defence-related compounds in chilli seedlings challenge-inoculated with Colletotrichum capsici under glasshouse conditions. Among the different media tested, higher biomass of P. guilliermondii and H. uvarum was obtained in pine juice broth and sugarcane juice broth, respectively. Glycerol buffer formulation showed viability (>70%) of P. guilliermondii up to 4 months and H. uvarum up to 9 months when stored at ambient conditions. Seedling dip and foliar sprays with H. uvarum showed 37– 40% reduction in chilli fruit rot incidence under field conditions. It also showed higher (cumulative) accumulation of defence-related compounds in chilli leaves and ripe fruits under field conditions. The results of current investigation indicated a clear difference among the two epiphytic yeast strains. P. guilliermondii was identified as growth promoter of chilli and H. uvarum as antagonist of chilli fruit rot pathogen, C. capsici.
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Claims 11
Claim · model-written summary
Pichia guilliermondii seed treatment increased chilli seedling vigour index by 55% over control.
Verbatim
t0“chilli”
e0“Seed treatment with Pichia guilliermondii showed increased seedling vigour index (55%), fresh weight (96%) and dry weight (45%) over untreated control.”
Claim · model-written summary
Pichia guilliermondii seed treatment increased chilli fresh weight by 96%.
Verbatim
t0“chilli”
e0“Seed treatment with Pichia guilliermondii showed increased seedling vigour index (55%), fresh weight (96%) and dry weight (45%) over untreated control.”
Claim · model-written summary
Pichia guilliermondii seed treatment increased chilli dry weight by 45%.
Verbatim
t0“chilli”
e0“Seed treatment with Pichia guilliermondii showed increased seedling vigour index (55%), fresh weight (96%) and dry weight (45%) over untreated control.”
Claim · model-written summary
P. guilliermondii showed higher root colonisation ability, IAA production, and phosphate solubilisation ability.
Verbatim
t0“chilli”
e0“P. guilliermondii showed higher root colonisation ability, indole-3-acetic acid (IAA) production and phosphate solubilisation ability.”
Claim · model-written summary
Hanseniaspora uvarum seedling dip induced higher defence-related compounds in chilli seedlings challenged with Colletotrichum capsici.
- Taxon
- chillie0
- Treatment
- seedling dip with Hanseniaspora uvarume0
- Interactor
- Colletotrichum capsiciColletotrichum truncatume0pathogen
- Second interactor
- Hanseniaspora uvarumHanseniaspora uvarume0biocontrol_agent
- Outcome
- levels of defence-related compoundse0
- Direction
- highere0
- Setting
- glasshouse conditionse0
Not reportedComparator
Verbatim
e0“seedling dip with Hanseniaspora uvarum induced higher levels of defence-related compounds in chilli seedlings challenge-inoculated with Colletotrichum capsici under glasshouse conditions.”
Claim · model-written summary
P. guilliermondii biomass was higher in pine juice broth.
Verbatim
t0“chilli”
e0“higher biomass of P. guilliermondii and H. uvarum was obtained in pine juice broth and sugarcane juice broth, respectively.”
Claim · model-written summary
H. uvarum biomass was higher in sugarcane juice broth.
Verbatim
t0“chilli”
e0“higher biomass of P. guilliermondii and H. uvarum was obtained in pine juice broth and sugarcane juice broth, respectively.”
Claim · model-written summary
Glycerol buffer maintained P. guilliermondii viability above 70% for up to four months.
Verbatim
t0“chilli”
e0“Glycerol buffer formulation showed viability (>70%) of P. guilliermondii up to 4 months and H. uvarum up to 9 months when stored at ambient conditions.”
Claim · model-written summary
Glycerol buffer maintained H. uvarum viability above 70% for up to nine months.
Verbatim
t0“chilli”
e0“Glycerol buffer formulation showed viability (>70%) of P. guilliermondii up to 4 months and H. uvarum up to 9 months when stored at ambient conditions.”
Claim · model-written summary
H. uvarum seedling dip and foliar sprays reduced chilli fruit rot incidence by 37– 40% in the field.
- Taxon
- chillie0
- Treatment
- Seedling dip and foliar sprays with H. uvarume0
- Interactor
- H. uvarumHanseniaspora uvarume0biocontrol_agent
- Outcome
- fruit rot incidencee0
- Direction
- reductione0
- Value
- 37– 40%e0
- Setting
- field conditionse0
Not reportedComparator
Verbatim
e0“Seedling dip and foliar sprays with H. uvarum showed 37– 40% reduction in chilli fruit rot incidence under field conditions.”
Claim · model-written summary
H. uvarum treatment increased defence-related compounds in chilli leaves and ripe fruits in the field.
Verbatim
t0“chilli”
e0“It also showed higher (cumulative) accumulation of defence-related compounds in chilli leaves and ripe fruits under field conditions.”
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See all 35 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.