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Dany Thongkham.. The Identification of physiological races of xanthomonas oryzae pvoryzae in Chiang Rai province. Master's Degree(Plant Pathology). Kasetsart University. Office of the University Library. : Kasetsart University, 2022.
The Identification of physiological races of xanthomonas oryzae pvoryzae in Chiang Rai province
Name: Dany Thongkham.
Classification :.LCCS: SB608.R5
LCSH:
Rice
-- Diseases and pests.
LCSH:
Rice blast disease.
LCSH:
Xanthomonas.
Abstract:
Deployment of host resistance is the most economical and environmentally friendly approach to solve rice bacterial leaf blight (BLB) disease caused by Xanthomonas oryzae pv. oryzae (Xoo) which is the most devastating disease in Thailand. However, the effectiveness of the utilized resistance genes depends upon the pathogenic variability in the pathogen population and the environmental conditions where the plants are growing. In 2009, Xoo strains from pathotype 11 (xa5 -breaking strains) were isolated for the first time from the susceptible rice variety KDML105 in rice fields in Chiang Rai province. Thus, it is essential to monitor and understand the diversity of the current Xoo population to deploy appropriate resistance genes in rice fields. In this study, 150 strains of Xoo collected from 18 districts of Chiang Rai province during 2016 - 2017 were used for physiological race analysis by inoculation to Near-Isogenic rice Lines (NILs) harboring a single bacterial blight resistant gene (Xa1, Xa3, Xa4, xa5, Xa7, xa8, Xa10, Xa11, xa13, Xa14, and Xa21). These strains were separated into 25 pathotypes. Most strains (51%) grouped into pathotype 12 (SSSRRSSSSSS), pathotype 11 (SSSRRSSSSSR) 14%, and pathotype 13 (SSSRSSSSSSS) 7% respectively. xa5 bacterial blight resistant gene showed board spectrum of resistance to Xoo followed by Xa7, Xa11, and Xa21. This study showed pathotype diversity and distribution of the Xoo population in each Chiang Rai district. Therefore, deployment of the efficiency resistant genes in each area is the key to selecting the bacterial blight disease-resistant genes for the future rice breeding program in Chaing Rai.
Kasetsart University. Office of the University Library
Address:
Bangkok
Email:
tdckulib@ku.ac.th
Name: Sujin Patarapuwadol
Role:
Thesis Advisor
Name: Kanungnit Reanwarakorn
Role:
Thesis Co-Advisor
Role:
Thesis Co-Advisor
Created:
2022
Modified:
2025-06-24
Issued:
2025-06-24
วิทยานิพนธ์/Thesis
วิทยานิพนธ์/Thesis
application/pdf
URL: http://www.lib.ku.ac.th/KUthesis/2565/dany-thon-all.pdf
CallNumber:
SB608.R5.D36
eng
DegreeName: Master of Science (
Level: Master's Degree
Descipline: Plant Pathology
Grantor: Kasetsart University
©copyrights Kasetsart University
RightsAccess:
ใช้เวลา
0.031662 วินาที
Dany Thongkham.
| Title | Contributor | Type |
|---|---|---|
| The Identification of physiological races of xanthomonas oryzae pvoryzae in Chiang Rai province
มหาวิทยาลัยเกษตรศาสตร์ Dany Thongkham. | Sujin Patarapuwadol Kanungnit Reanwarakorn Jutatape Watcharachaiyakup | วิทยานิพนธ์/Thesis |
Sujin Patarapuwadol
Kanungnit Reanwarakorn
| Title | Creator | Type and Date Create |
|---|---|---|
| Survey of grapevine yellow speckle viroid in Thailand
มหาวิทยาลัยเกษตรศาสตร์ Kanungnit Reanwarakorn | Pattama Hannok | วิทยานิพนธ์/Thesis |
| The Identification of physiological races of xanthomonas oryzae pvoryzae in Chiang Rai province
มหาวิทยาลัยเกษตรศาสตร์ Sujin Patarapuwadol;Kanungnit Reanwarakorn;Jutatape Watcharachaiyakup | Dany Thongkham. | วิทยานิพนธ์/Thesis |
| Multiplex real-time RT-PCR and seed disinfection of pepper chat fruit viroid and culumnea latent viroid in tomato seed
มหาวิทยาลัยเกษตรศาสตร์ Kanungnit Reanwarakorn | Sukhontip Sombat | วิทยานิพนธ์/Thesis |
| Host ranges, seed transmission and molecular detection of columnea latent viroid in cucumber, melon and eggplant cultivars
มหาวิทยาลัยเกษตรศาสตร์ Kanungnit Reanwarakorn | Samabhorn Bhuvitarkorn | วิทยานิพนธ์/Thesis |
Jutatape Watcharachaiyakup
| Title | Creator | Type and Date Create |
|---|---|---|
| Development of standard measures for detection of acidovorax citrulli in seed
มหาวิทยาลัยเกษตรศาสตร์ Wichai Kositratana;Sujin Patarapuwadol;Jutatape Watcharachaiyakup | Chanyanut Korakngam | วิทยานิพนธ์/Thesis |
| The Identification of physiological races of xanthomonas oryzae pvoryzae in Chiang Rai province
มหาวิทยาลัยเกษตรศาสตร์ Sujin Patarapuwadol;Kanungnit Reanwarakorn;Jutatape Watcharachaiyakup | Dany Thongkham. | วิทยานิพนธ์/Thesis |
| Whole genome sequences analysis reveals the population structure of the Xanthomonas spp. causing bacterial leaf spots in tomato and pepper plants in Thailand
มหาวิทยาลัยเกษตรศาสตร์ Jutatape Watcharachaiyakup;Preeda Lertwatcharasarakul;Roberto Gomes De Farias | Yenrudee Preangtong | วิทยานิพนธ์/Thesis |