Abstract
To evaluate the virulent genes of Erysiphe graminis f.sp.tritici and the resistance of wheat cultivars in Shaanxi province,126 samples were collected from 23 cities(counties) in Guanzhong and Shannan region,then the virulent frequency were tested in seedling stage on 32 wheat cultivars with known resistant genes.Also,the resistance of these cultivars to powdery mildew were monitored at 6 sites in Shaanxi province.The results showed that V1,V2,V3a,V3b,V3c,V3d,V3f,V5,V6,V8,V17,V2+Ta,V4+8,V1+2+19 and VEra had high virulent frequencies(above 60%),the resistance genes(Pm3d,Pm5,PmEra,Pm7,Pm21 and Pm4+8)were susceptible to powdery mildew in 2 sites at adult stage,Therefore,these virulent genes(V3d,V5,VEra and V4+8)would be the prevalent races in Shaanxi province.Resistant genes of Pm13,Pm2+Mld,Pm4b+Mli and PmXBD were resistant in all sites at adult stage,which should be used in wheat breeding.The results of the resistance genes of wheat commercial cultivars in Shaanxi province indicate that Wunong 148,Yuanfeng 175,and Yuanfeng 139 may carry Pm8,Pm21,and Pm17,respectively.
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Claims 8
Claim · model-written summary
Virulence genes V1 to VEra had high virulent frequencies above 60% in Shaanxi.
- Taxon
- wheat
Triticum aestivume0 - Interactor
- Erysiphe graminis f.sp.tritici
Blumeria graminise0pathogen - Gene
- V1,V2,V3a,V3b,V3c,V3d,V3f,V5,V6,V8,V17,V2+Ta,V4+8,V1+2+19 and VErae2
- Outcome
- virulent frequenciese2
- Value
- above 60%e2
- Setting
- Shaanxi provincee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the virulent genes of Erysiphe graminis f.sp.tritici and the resistance of wheat cultivars in Shaanxi province”
e2“The results showed that V1,V2,V3a,V3b,V3c,V3d,V3f,V5,V6,V8,V17,V2+Ta,V4+8,V1+2+19 and VEra had high virulent frequencies(above 60%)”
Claim · model-written summary
Resistance genes Pm3d, Pm5, PmEra, Pm7, Pm21 and Pm4+8 were susceptible to powdery mildew at two sites at adult stage.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- adult stagee1
- Interactor
- powdery mildewe1pathogen
- Gene
- Pm3d,Pm5,PmEra,Pm7,Pm21 and Pm4+8e1
- Outcome
- susceptible to powdery mildewe1
- Setting
- 2 sitese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the virulent genes of Erysiphe graminis f.sp.tritici and the resistance of wheat cultivars in Shaanxi province”
e1“the resistance genes(Pm3d,Pm5,PmEra,Pm7,Pm21 and Pm4+8)were susceptible to powdery mildew in 2 sites at adult stage”
Claim · model-written summary
Resistance genes Pm13, Pm2+Mld, Pm4b+Mli and PmXBD were resistant at all sites at adult stage.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- adult stagee3
- Interactor
- Erysiphe graminis f.sp.triticiBlumeria graminise0pathogen
- Gene
- Pm13,Pm2+Mld,Pm4b+Mli and PmXBDe3
- Outcome
- resistante3
- Setting
- all sitese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the virulent genes of Erysiphe graminis f.sp.tritici and the resistance of wheat cultivars in Shaanxi province”
e3“Resistant genes of Pm13,Pm2+Mld,Pm4b+Mli and PmXBD were resistant in all sites at adult stage,which should be used in wheat breeding”
Claim · model-written summary
Resistance genes Pm13, Pm2+Mld, Pm4b+Mli and PmXBD should be used in wheat breeding.
- Taxon
- wheatTriticum aestivume0
- Gene
- Pm13,Pm2+Mld,Pm4b+Mli and PmXBDe3
- Outcome
- should be used in wheat breedinge3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the virulent genes of Erysiphe graminis f.sp.tritici and the resistance of wheat cultivars in Shaanxi province”
e3“Resistant genes of Pm13,Pm2+Mld,Pm4b+Mli and PmXBD were resistant in all sites at adult stage,which should be used in wheat breeding”
Claim · model-written summary
Virulent genes V3d, V5, VEra and V4+8 would be the prevalent races in Shaanxi province.
- Taxon
- wheatTriticum aestivume0
- Gene
- V3d,V5,VEra and V4+8e4
- Outcome
- prevalent racese4
- Setting
- Shaanxi provincee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the virulent genes of Erysiphe graminis f.sp.tritici and the resistance of wheat cultivars in Shaanxi province”
e4“these virulent genes(V3d,V5,VEra and V4+8)would be the prevalent races in Shaanxi province”
Claim · model-written summary
Wunong 148 may carry resistance gene Pm8.
- Taxon
- wheatTriticum aestivume0
- Material
- Wunong 148e5
- Gene
- Pm8e5
- Outcome
- may carrye5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the virulent genes of Erysiphe graminis f.sp.tritici and the resistance of wheat cultivars in Shaanxi province”
e5“Wunong 148,Yuanfeng 175,and Yuanfeng 139 may carry Pm8,Pm21,and Pm17,respectively”
Claim · model-written summary
Yuanfeng 175 may carry resistance gene Pm21.
- Taxon
- wheatTriticum aestivume0
- Material
- Yuanfeng 175e5
- Gene
- Pm21e5
- Outcome
- may carrye5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the virulent genes of Erysiphe graminis f.sp.tritici and the resistance of wheat cultivars in Shaanxi province”
e5“Wunong 148,Yuanfeng 175,and Yuanfeng 139 may carry Pm8,Pm21,and Pm17,respectively”
Claim · model-written summary
Yuanfeng 139 may carry resistance gene Pm17.
- Taxon
- wheatTriticum aestivume0
- Material
- Yuanfeng 139e5
- Gene
- Pm17e5
- Outcome
- may carrye5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the virulent genes of Erysiphe graminis f.sp.tritici and the resistance of wheat cultivars in Shaanxi province”
e5“Wunong 148,Yuanfeng 175,and Yuanfeng 139 may carry Pm8,Pm21,and Pm17,respectively”