Abstract
STRIPE rust infection caused by Pucciniastrii formis f. sp. tritici was investigated in ten Egyptian wheat cultivars under field conditions during two seasons (2016/17 and 2017/18) at two locations (Sakha and Sids) differ climatologically in Egypt. Variable levels of rust infection followed by a significant reduction in grain weight were recorded at both locations. Stripe rust infections for Sids location (20S - 90S) were higher than those of Sakha location (TrMS - 70S). Average coefficient of infection (ACI) and grain weight loss for Sids location, reaching 90 ACI (Gemmeiza-11) and 23.12% (Giza-160), were higher than those of Sakha location up to 70 ACI and 16.72% in Giza-160. Grain weight loss was strongly associated with ACI among cultivars for both locations, recording r=0.9044 for Sakha location and r=0.8866 for Sids location. Climatic variations were recorded at both locations during the first four months of 2017 and 2018. Rainfall and relative humidity for Sakha location were higher than those of Sids location while wind speed for Sids location was higher than that of Sakha location. Temperatures were relatively close at both locations. ACI values for Sids location were higher than those of Sakha location, revealing correlation with climatic factors. This suggests that wind speed may play an important role in dispersal while relatively heavy rainfall may have opposing effects. The temperature was the main limiting factor for stripe rust infection (negatively associated), followed by relative humidity (positively associated). Our discovery represents a powerful tool for predicting disease infection and management.
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Claims 10
Claim · model-written summary
Rust infection accompanied a significant reduction in grain weight at both locations.
- Taxon
- Wheat
Triticum aestivumt0 - Interactor
- ruste0pathogen
- Outcome
- grain weighte0
- Direction
- reductione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“Variable levels of rust infection followed by a significant reduction in grain weight were recorded at both locations”
Claim · model-written summary
Stripe rust infection was higher at Sids than Sakha.
- Taxon
- WheatTriticum aestivumt0
- Interactor
- Stripe ruste0pathogen
- Outcome
- Stripe rust infectionse0
- Direction
- highere0
- Comparator
- Sakha locatione0
- Setting
- Sids locatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“Stripe rust infections for Sids location (20S - 90S) were higher than those of Sakha location (TrMS - 70S)”
Claim · model-written summary
Maximum ACI at Sids reached 90 for Gemmeiza-11, exceeding Sakha at 70.
- Taxon
- WheatTriticum aestivumt0
- Material
- Gemmeiza-11e0
- Interactor
- infectione0pathogen
- Outcome
- Average coefficient of infection (ACI)e0
- Direction
- highere0
- Value
- 90 ACIe0
- Comparator
- Sakha locatione0
- Setting
- Sids locatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“Average coefficient of infection (ACI) and grain weight loss for Sids location, reaching 90 ACI (Gemmeiza-11) and 23.12% (Giza-160), were higher than those of Sakha location up to 70 ACI and 16.72% in Giza-160”
Claim · model-written summary
Grain weight loss in Giza-160 was 23.12% at Sids versus 16.72% at Sakha.
- Taxon
- WheatTriticum aestivumt0
- Material
- Giza-160e0
- Outcome
- grain weight losse0
- Direction
- highere0
- Value
- 23.12%e0
- Qualifier
- 16.72%e0
- Comparator
- Sakha locatione0
- Setting
- Sids locatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“grain weight loss for Sids location, reaching 90 ACI (Gemmeiza-11) and 23.12% (Giza-160), were higher than those of Sakha location up to 70 ACI and 16.72% in Giza-160”
Claim · model-written summary
Grain weight loss was associated with ACI at Sakha, r=0.9044.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- Grain weight losse0
- Value
- r=0.9044e0
- Qualifier
- ACIe0
- Setting
- Sakha locatione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“Grain weight loss was strongly associated with ACI among cultivars for both locations, recording r=0.9044 for Sakha location and r=0.8866 for Sids location”
Claim · model-written summary
Grain weight loss was associated with ACI at Sids, r=0.8866.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- Grain weight losse0
- Value
- r=0.8866e0
- Qualifier
- ACIe0
- Setting
- Sids locatione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“Grain weight loss was strongly associated with ACI among cultivars for both locations, recording r=0.9044 for Sakha location and r=0.8866 for Sids location”
Claim · model-written summary
ACI was higher at Sids than Sakha and correlated with climatic factors.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- ACI valuese0
- Direction
- highere0
- Qualifier
- climatic factorse0
- Comparator
- Sakha locatione0
- Setting
- Sids locatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“ACI values for Sids location were higher than those of Sakha location, revealing correlation with climatic factors”
Claim · model-written summary
Temperature was negatively associated with stripe rust infection.
- Taxon
- WheatTriticum aestivumt0
- Interactor
- stripe ruste0pathogen
- Outcome
- stripe rust infectione0
- Direction
- negatively associatede0
- Qualifier
- temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“The temperature was the main limiting factor for stripe rust infection (negatively associated)”
Claim · model-written summary
Relative humidity was positively associated with stripe rust infection.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- relative humiditye0
- Direction
- positively associatede0
- Setting
- relative humiditye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“relative humidity (positively associated)”
Claim · model-written summary
Wind speed may aid dispersal and heavy rainfall may oppose it.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- dispersale0
- Qualifier
- wind speed may play an important role in dispersal while relatively heavy rainfall may have opposing effectse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“wind speed may play an important role in dispersal while relatively heavy rainfall may have opposing effects”