Abstract
Seven Egyptian wheat (Triticum aestivum L.) cultivars wereevaluated at Kafr El-Hamam Agricultural Research Station,Sharkyia Governorate, Egypt, to stripe rust disease during2013/2014 and 2014/2015 growing seasons under artificialinoculation. The evaluation included epidemiological parameters, i.e.final rust severity (%), area under disease progress curve (AUDPC),relative area under disease progress curve (r-AUDPC) and rate ofdisease increase (r-value) as well as yield components, i.e. estimatedand actual percentage loss of 1000 kernel weight and grainyield/feddan. All tested cultivars Gemmeiza-7, Gemmeiza-9,Gemmeiza-10, Gemmeiza-11, Sids-1, Sids-12 and Sids-13 showedsignificant differences in disease parameters and yield components.Fast disease development was observed with Sids-12, Gemmeiza-11and Gemmeiza-7 cultivars. Furthermore, they gave the highest valuesof estimated and actual percentage loss of 1000 kernel weight andgrain yield/feddan compared to the other tested cultivars. On the otherhand, stripe rust development was slow with Gemmeiza-10 andGemmeiza-9 cultivars. They gave the lowest values of estimated andactual percentage loss of the 1000 kernel weight and the grainyield/feddan. Accordingly, there were strong positive relationsbetween epidemiological parameters and yield components during thetwo seasons. The relation between FRS (%) and estimated loss (%) of1000 kernel weight and grain yield/feddan was more stable thanAUDPC, rAUDPC and r-value. Therefore, it can be concluded that theloss (%) of yield/feddan can be predicted from FRS (%). Moreover,the obtained results gave evidence to the importance of chemicalcontrol application in all cultivars against stripe rust diseaseparticularly with Sids-12, Gemmeiza-11 and Gemmeiza-7. It seemsthat these results are reasonable for the explanation of economicthreshold obtained from fungicide applications against stripe rustdisease in wheat fields in Egypt.
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Claims 12
Claim · model-written summary
The tested wheat cultivars differed significantly in disease parameters and yield components.
- Taxon
- cultivarse0
- Material
- Gemmeiza-7, Gemmeiza-9,Gemmeiza-10, Gemmeiza-11, Sids-1, Sids-12 and Sids-13e0
- Outcome
- disease parameters and yield componentse0
Not reportedDirection
Verbatim
e0“All tested cultivars Gemmeiza-7, Gemmeiza-9,Gemmeiza-10, Gemmeiza-11, Sids-1, Sids-12 and Sids-13 showedsignificant differences in disease parameters and yield components.”
Claim · model-written summary
Sids-12 had fast stripe rust development.
- Taxon
- Wheat
Triticum aestivumt0 - Material
- Sids-12e0
- Outcome
- disease developmente0
- Direction
- Faste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fast disease development was observed with Sids-12, Gemmeiza-11and Gemmeiza-7 cultivars.”
t0“Wheat Cultivars”
Claim · model-written summary
Gemmeiza-11 had fast stripe rust development.
- Taxon
- WheatTriticum aestivumt0
- Material
- Gemmeiza-11e0
- Outcome
- disease developmente0
- Direction
- Faste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fast disease development was observed with Sids-12, Gemmeiza-11and Gemmeiza-7 cultivars.”
t0“Wheat Cultivars”
Claim · model-written summary
Gemmeiza-7 had fast stripe rust development.
- Taxon
- WheatTriticum aestivumt0
- Material
- Gemmeiza-7e0
- Outcome
- disease developmente0
- Direction
- Faste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fast disease development was observed with Sids-12, Gemmeiza-11and Gemmeiza-7 cultivars.”
t0“Wheat Cultivars”
Claim · model-written summary
Sids-12, Gemmeiza-11 and Gemmeiza-7 had the highest estimated and actual losses in thousand-kernel weight and grain yield.
Verbatim
e0“Furthermore, they gave the highest valuesof estimated and actual percentage loss of 1000 kernel weight andgrain yield/feddan compared to the other tested cultivars.”
e1“Fast disease development was observed with Sids-12, Gemmeiza-11and Gemmeiza-7 cultivars.”
Claim · model-written summary
Gemmeiza-10 had slow stripe rust development.
- Taxon
- WheatTriticum aestivumt0
- Material
- Gemmeiza-10e0
- Outcome
- stripe rust developmente0
- Direction
- slowe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stripe rust development was slow with Gemmeiza-10 andGemmeiza-9 cultivars.”
t0“Wheat Cultivars”
Claim · model-written summary
Gemmeiza-9 had slow stripe rust development.
- Taxon
- WheatTriticum aestivumt0
- Material
- Gemmeiza-9e0
- Outcome
- stripe rust developmente0
- Direction
- slowe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stripe rust development was slow with Gemmeiza-10 andGemmeiza-9 cultivars.”
t0“Wheat Cultivars”
Claim · model-written summary
Gemmeiza-10 and Gemmeiza-9 had the lowest estimated and actual losses in thousand-kernel weight and grain yield.
Verbatim
e0“They gave the lowest values of estimated andactual percentage loss of the 1000 kernel weight and the grainyield/feddan.”
e1“stripe rust development was slow with Gemmeiza-10 andGemmeiza-9 cultivars.”
Claim · model-written summary
Epidemiological parameters were strongly positively related to yield components over both seasons.
Verbatim
e0“there were strong positive relationsbetween epidemiological parameters and yield components during thetwo seasons.”
Claim · model-written summary
The relation between final rust severity and estimated losses in kernel weight and grain yield was more stable than relations using AUDPC, rAUDPC or r-value.
Verbatim
e0“The relation between FRS (%) and estimated loss (%) of1000 kernel weight and grain yield/feddan was more stable thanAUDPC, rAUDPC and r-value.”
Claim · model-written summary
The authors conclude that yield loss per feddan can be predicted from final rust severity.
Not reportedValue
Verbatim
e0“theloss (%) of yield/feddan can be predicted from FRS (%).”
Claim · model-written summary
The authors recommend chemical control of stripe rust in all tested cultivars, especially Sids-12, Gemmeiza-11 and Gemmeiza-7.
Verbatim
e0“importance of chemicalcontrol application in all cultivars against stripe rust diseaseparticularly with Sids-12, Gemmeiza-11 and Gemmeiza-7.”