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First Interspecific Genetic Linkage Map For Castanea Sativa X Castanea Crenata Revealed Qtls For Resistance To Phytophthora Cinnamomi, Carmen Santos, Charles Dana Nelson, Tetyana Zhebentyayeva, Helena Machado, José Gomes-Laranjo, Rita Lourenço Costa
First Interspecific Genetic Linkage Map For Castanea Sativa X Castanea Crenata Revealed Qtls For Resistance To Phytophthora Cinnamomi, Carmen Santos, Charles Dana Nelson, Tetyana Zhebentyayeva, Helena Machado, José Gomes-Laranjo, Rita Lourenço Costa
Forest Health Research and Education Center Faculty Publications
The Japanese chestnut (Castanea crenata) carries resistance to Phytophthora cinnamomi, the destructive and widespread oomycete causing ink disease. The European chestnut (Castanea sativa), carrying little to no disease resistance, is currently threatened by the presence of the oomycete pathogen in forests, orchards and nurseries. Determining the genetic basis of P. cinnamomi resistance, for further selection of molecular markers and candidate genes, is a prominent issue for implementation of marker assisted selection in the breeding programs for resistance. In this study, the first interspecific genetic linkage map of C. sativa x C. crenata …
Genetic Analysis Of Field Populations Of The Plant Pathogens Cercospora Sojina, Corynespora Cassiicola And Phytophthora Colocasiae, Sandesh Kumar Shrestha
Genetic Analysis Of Field Populations Of The Plant Pathogens Cercospora Sojina, Corynespora Cassiicola And Phytophthora Colocasiae, Sandesh Kumar Shrestha
Doctoral Dissertations
Genetic markers and whole genome sequencing (WGS) were used to study the disease dynamics and population structure for three important plant pathogens; Cercospora sojina (frogeye leaf spot of soybean), Corynespora cassiicola (target spot of soybean, cotton and many other crops) and Phytophthora colocasiae (taro leaf blight). For each pathogen, genome sequencing was used to guide the development of single nucleotide polymorphism (SNP) markers and both were used to investigate diversity in field populations. Investigation of C. sojina in Tennessee included comparisons of extant populations and historical isolates, revealing a dominant, potentially long-lived, clonal lineage. Characterization of QoI fungicide resistance indicates …
Phytophthora Sojae Infecting Soybean: Pathotype Diversity, New Sources Of Resistance And Interaction With The Soybean Cyst Nematode, Rawnaq Nazneen Chowdhury
Phytophthora Sojae Infecting Soybean: Pathotype Diversity, New Sources Of Resistance And Interaction With The Soybean Cyst Nematode, Rawnaq Nazneen Chowdhury
Electronic Theses and Dissertations
Phytophthora root and stem rot, caused by Phytophthora sojae Kaufmann and Gerdemann, is an important disease of soybean (Glycine max L.) in South Dakota. To gain a better understanding of the importance of P. sojae in South Dakota, specifically pathotype diversity, identification of new resistance sources and the interaction with the soybean cyst nematode (Heterodera glycines Ichinohe, SCN), this research was undertaken with the following objectives - 1) to characterize the pathotype diversity of P. sojae causing Phytophthora root and stem rot on soybean in commercial fields in South Dakota; 2) to compare inoculation methods to evaluate for …