Abstract
The temporal progress of anthracnose (Colletotrichum gloeosporioides) epidemics was studied in mango (Mangifera indica) orchards treated with fungicides from different chemical groups, mode of action, and application sequences in two regions of contrasting climates (sub-humid and dry tropics) in Guerrero, Mexico. Full flowering, initial setting, and 8-15mm Ø fruits were identified as critical stages for infection. Epidemics started 20-26 days after swollen buds, and maximum severity was attained at 40-42 days after the first symptoms were detected. The Weibull model described (r²>0.89) anthracnose epidemics in both floral and vegetative flushes. Active ingredients of different fungicide groups, mode of action, and residuality such as myclobutanil, azoxystrobin, cyprodinil+fludioxonil, quinoxyfen, and chlorotalonil + sulfur led to significantly low values (LSD<0.05%) in the Yf, AUDPC and b-1 parameters. The best strategy was to initiate a preventive treatment with a systemic ingredient, independently of its chemical group. Severity of the disease in floral (Fl) and vegetative flushing (Veg) in the sub-humid tropic was related with temperature >30ºC (rFl=0.79-0.86; rVeg=0.80-0.95) and relative humidity > 90% (rFl=0.66-0.86; rVeg=0.67-0.94). In both regions, conidial sporulation was related to temperature >30ºC (r=0.72-0.74), relative humidity <60% (r=0.66), severity (rFl=0.62-0.98; rVeg=0.75-0.97) and dew point <25ºC (r=0.68-0.69).
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Claims 12
Claim · model-written summary
Full flowering, initial setting, and 8-15mm Ø fruits were critical stages for mango anthracnose infection.
- Taxon
- mango
_from_India.jpg?width=60)
Mangifera indicat0 - Organ / stage
- Full flowering, initial setting, and 8-15mm Ø fruitse0
- Outcome
- critical stages for infectione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“Full flowering, initial setting, and 8-15mm Ø fruits were identified as critical stages for infection.”
t0“mango anthracnose”
Claim · model-written summary
Mango anthracnose epidemics began 20-26 days after swollen buds.
- Taxon
- mangoMangifera indicat0
- Organ / stage
- swollen budse0
- Outcome
- Epidemics startede0
- Value
- 20-26 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Epidemics started 20-26 days after swollen buds”
t0“mango anthracnose”
Claim · model-written summary
Maximum mango anthracnose severity occurred 40-42 days after first symptoms.
- Taxon
- mangoMangifera indicat0
- Outcome
- severitye0
- Direction
- maximume0
- Value
- 40-42 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maximum severity was attained at 40-42 days after the first symptoms were detected”
t0“mango anthracnose”
Claim · model-written summary
The Weibull model described mango anthracnose epidemics in floral and vegetative flushes with r²>0.89.
- Taxon
- mangoMangifera indicat0
- Organ / stage
- floral and vegetative flushese0
- Outcome
- anthracnose epidemicse0
- Value
- r²>0.89e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Weibull model described (r²>0.89) anthracnose epidemics in both floral and vegetative flushes.”
t0“mango anthracnose”
Claim · model-written summary
The listed fungicide ingredients significantly lowered Yf, AUDPC and b-1 parameters in mango anthracnose epidemics.
- Taxon
- mangoMangifera indicat0
- Treatment
- myclobutanil, azoxystrobin, cyprodinil+fludioxonil, quinoxyfen, and chlorotalonil + sulfure0
- Outcome
- Yf, AUDPC and b-1 parameterse0
- Direction
- lowe0
- Value
- LSD<0.05%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Active ingredients of different fungicide groups, mode of action, and residuality such as myclobutanil, azoxystrobin, cyprodinil+fludioxonil, quinoxyfen, and chlorotalonil + sulfur led to significantly low values (LSD<0.05%) in the Yf, AUDPC and b-1 parameters.”
t0“mango anthracnose”
Claim · model-written summary
The authors recommend initiating preventive mango anthracnose treatment with a systemic ingredient regardless of chemical group.
- Taxon
- mangoMangifera indicat0
- Outcome
- initiate a preventive treatment with a systemic ingrediente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The best strategy was to initiate a preventive treatment with a systemic ingredient, independently of its chemical group.”
t0“mango anthracnose”
Claim · model-written summary
In sub-humid tropics, mango anthracnose severity in floral and vegetative flushing was associated with temperature above 30ºC.
- Taxon
- mangoMangifera indicat0
- Outcome
- Severity of the diseasee0
- Value
- rFl=0.79-0.86; rVeg=0.80-0.95e0
- Qualifier
- temperature >30ºCe0
- Setting
- sub-humid tropice0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Severity of the disease in floral (Fl) and vegetative flushing (Veg) in the sub-humid tropic was related with temperature >30ºC (rFl=0.79-0.86; rVeg=0.80-0.95)”
t0“mango anthracnose”
Claim · model-written summary
In sub-humid tropics, mango anthracnose severity in floral and vegetative flushing was associated with relative humidity above 90%.
- Taxon
- mangoMangifera indicat0
- Outcome
- Severity of the diseasee1
- Value
- rFl=0.66-0.86; rVeg=0.67-0.94e0
- Qualifier
- relative humidity > 90%e0
- Setting
- sub-humid tropice1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“relative humidity > 90% (rFl=0.66-0.86; rVeg=0.67-0.94)”
e1“Severity of the disease in floral (Fl) and vegetative flushing (Veg) in the sub-humid tropic”
t0“mango anthracnose”
Claim · model-written summary
In both regions, conidial sporulation was associated with temperature above 30ºC.
- Taxon
- mangoMangifera indicat0
- Interactor
- Colletotrichum gloeosporioides
Colletotrichum gloeosporioidese1pathogen - Outcome
- conidial sporulatione0
- Value
- r=0.72-0.74e0
- Qualifier
- temperature >30ºCe0
- Setting
- both regionse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In both regions, conidial sporulation was related to temperature >30ºC (r=0.72-0.74)”
e1“anthracnose (Colletotrichum gloeosporioides) epidemics was studied in mango (Mangifera indica)”
t0“mango anthracnose”
Claim · model-written summary
In both regions, conidial sporulation was associated with relative humidity below 60%.
- Taxon
- mangoMangifera indicat0
- Interactor
- Colletotrichum gloeosporioidesColletotrichum gloeosporioidese2pathogen
- Outcome
- conidial sporulatione1
- Value
- r=0.66e0
- Qualifier
- relative humidity <60%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“relative humidity <60% (r=0.66)”
e1“In both regions, conidial sporulation was related to temperature >30ºC”
e2“anthracnose (Colletotrichum gloeosporioides) epidemics was studied in mango (Mangifera indica)”
t0“mango anthracnose”
Claim · model-written summary
In both regions, conidial sporulation was associated with disease severity in floral and vegetative flushing.
- Taxon
- mangoMangifera indicat0
- Interactor
- Colletotrichum gloeosporioidesColletotrichum gloeosporioidese2pathogen
- Outcome
- conidial sporulatione1
- Value
- rFl=0.62-0.98; rVeg=0.75-0.97e0
- Qualifier
- severitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“severity (rFl=0.62-0.98; rVeg=0.75-0.97)”
e1“In both regions, conidial sporulation was related to temperature >30ºC”
e2“anthracnose (Colletotrichum gloeosporioides) epidemics was studied in mango (Mangifera indica)”
t0“mango anthracnose”
Claim · model-written summary
In both regions, conidial sporulation was associated with dew point below 25ºC.
- Taxon
- mangoMangifera indicat0
- Interactor
- Colletotrichum gloeosporioidesColletotrichum gloeosporioidese2pathogen
- Outcome
- conidial sporulatione1
- Value
- r=0.68-0.69e0
- Qualifier
- dew point <25ºCe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dew point <25ºC (r=0.68-0.69)”
e1“In both regions, conidial sporulation was related to temperature >30ºC”
e2“anthracnose (Colletotrichum gloeosporioides) epidemics was studied in mango (Mangifera indica)”
t0“mango anthracnose”
The same questions in other papers
myclobutanil · disease · Mangifera indica (mango)Positive and negative results
1 in the opposite direction
- negative
sulfur atom · disease · Mangifera indica (mango)Results agree
1 paper in the same direction as this paper
- positive
azoxystrobin · disease · Mangifera indica (mango)Results agree
9 papers in the same direction as this paper
- positive
- positive
- positive
6 papers more in this group
See all 10 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.