Durable resistance to rice blast

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August undefined, 2024

WebCurrently, approximately 100 genes of resistance ( R) to rice blast are known, of these 51% are from indica genotypes, 45% from japonica genotypes and 4% from wild species of rice ( Sharma et al. 2012) ( Table 1 ?). The identified R genes have broad nomenclature and, often, the same resistance gene can have different names ( Koide et al. 2009 ). WebMar 1, 2009 · Rice blast severely reduces production in both irrigated and water-stressed upland ecosystems of tropical and temperate countries. Nearly 50 blast resistance genes have been identified and...

Dynamic analyses of rice blast resistance for the ... - 豆丁网

WebMar 3, 2024 · Incorporation of resistance (R) genes into rice presents an effective, economical, and environmentally sound way to control blast . However, it takes years to move an R gene into a rice variety, whereas the highly variable fungus can overcome … WebRice blast caused by Magnaporthe oryzae is the most destructive fungal disease in crops, greatly threatening rice production and food security worldwide. The identification and utilization of broad-s fly to paris from exeter

Gene pyramiding enhances durable blast disease resistance in rice

WebJan 10, 2024 · We found that SA0169 was completely resistant against the 187 recently collected blast isolates and displayed durable resistance for almost 20 years. Linkage mapping and QTL-seq analysis indicated that a 1.16-Mb region on chromosome 6 (Pi169-6(t)) and a 2.37-Mb region on chromosome 11 (Pi169-11(t)) conferred the blast … WebBy using these two approaches, we learned about the virulence spectra of the blast pathogen collections and also how the known blast R genes could be used in subsequent breeding efforts. From these findings, we initiated a marker assisted gene pyramiding effort to bring promising blast resistance genes into backgrounds of adapted rice cultivars. WebMar 8, 2024 · Indeed, a durable wide-spectrum resistance is expected for genes, such as OsERF922, which code not for nucleotide-binding domain leucine-rich ... Hao, W.; Gao, Y.; Liu, Y.G.; Zhao, K. Enhanced Rice Blast Resistance by CRISPR/Cas9-Targeted Mutagenesis of the ERF Transcription Factor Gene OsERF922. PLoS ONE 2016, 11, … green power connect peco

Multiple functional polymorphisms in a single disease resistance …

A multiple gene complex on rice chromosome 4 is …

WebFeb 21, 2024 · Pi-21: Partial or quantitative resistance is durable and desirable, as it is expected to reduce the selection pressure on pathogen to break the host resistance. A heavy metal transport/detoxification domain containing proline-rich protein Pi-21, loss-of-function allele, resulted in non-race-specific, durable blast resistance. WebThe durable resistance of these cultivars is associated with polygenic partial resistance that shows no evidence of race specificity. This partial resistance is expressed as … fly to paris from newcastleWebOct 14, 2024 · In our previous study, we identified multiple major and minor resistance loci in Ziyu44 and suggested that the combination of major and minor resistance on multiple loci is one of the mechanisms underlying the durable resistance of Ziyu44 to rice blast disease ( Zhang et al., 2009; Zhou et al., 2015; Hu et al., 2024; Zhuo et al., 2024 ). green power consultants

"WebTo develop blast-resistant, high yielding rice varieties for Africa, we have established a breeding pipeline that utilizes real-time data of pathogen diversity and virulence spectra, … " - Durable resistance to rice blast

Durable resistance to rice blast

WebAug 27, 2024 · Integrated strategies for durable rice blast resistance in sub-Saharan Africa. First reported in sub-Saharan Africa in 1922, rice blast has become the most … WebNov 9, 2016 · Rice blast is one of the most damaging disease of rice. The use of resistant cultivars is the only practical way to control the disease in developing countries where most farmers cannot afford fungicides. However resistance often breaks down. Genome wide association studies (GWAS) allow high resolution exploration of rice genetic diversity for …

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WebJul 1, 2024 · Understanding utilization of rice blast R genes in main modern varieties. An important prerequisite for molecular breeding improvement of rice blast resistance is to … WebTetep is a rice cultivar known for its broad-spectrum (i.e., conferring resistance to multiple and diverse blast pathogens) and durable (i.e., long lasting) resistance to blast, a …

WebApr 1, 2014 · The blast resistance gene Pi37 encodes a nucleotide binding site leucine-rich repeat protein and is a member of a resistance gene cluster on rice chromosome 1. … WebFeb 9, 2009 · Rice blast severely reduces production in both irrigated and water-stressed upland ecosystems of tropical and temperate countries. Nearly 50 blast resistance genes have been identified and some of those are incorporated into several rice cultivars.

WebApr 26, 2016 · Rice blast is one of the most destructive diseases affecting rice worldwide. The adoption of host resistance has proven to be the most economical and effective … WebApr 16, 2024 · Rice (Oryza sativa L.) is the second most important cereal crop of developing countries and the staple food of about 65% of the world's population. Rice blast is a serious disease affecting rice, caused by a fungal pathogen Magnaporthe grisea (anamorph - Pyricularia grisea). In this endeavor, it is important to identify durable resistance …

WebStudies on the rice blast pathogen, resistance genes, and implication for breeding for durable blast resistance in Colombia. In Shinji Kawasaki (Ed.), Rice Blast: Interaction …

WebJul 22, 2024 · Together, these results suggest that the Pigm gene has a high breeding value in developing rice varieties with durable and broad-spectrum resistance to blast disease. Introduction Rice blast, caused … green power construction san diegoWebMar 3, 2024 · In this study, a rice panicle blast resistance gene, Pb2, was identified by genome-wide association mapping based on the panicle blast resistance phenotypes of … green power connection gpcWebMay 6, 2024 · Marker-assisted selection (MAS) is a highly efficient breeding approach that could offer an opportunity to select the targeted gene rapidly and precisely (Tanksley et al. 1989).It is a promising method to provide broad-spectrum and durable rice blast resistance through gene or QTL pyramiding (Tabien et al. 2002).Recently, the … fly to parisWebApr 1, 2014 · The improvement of resistance to blast, a devastating fungal disease of rice, would support the sustainable production of one of the world's staple foods, yet the identification of genes for... green power connectorWebFeb 2, 2024 · Durable resistance to rice blast By Guo-Liang Wang, Barbara Valent Crop diseases threaten global food security and sustainable agriculture. The most efficient strategy to prevent disease is to develop crop varieties with durable and broad-spectrum resistance ( 1, 2 ). greenpower contactWebApr 26, 2016 · Rice blast is one of the most destructive diseases affecting rice worldwide. The adoption of host resistance has proven to be the most economical and effective approach to control rice blast. In recent years, … fly to paris from sydneyWebSep 13, 2024 · When looking at the drawback of chemical management strategy, the development of durable, resistant varieties is one of the most sustainable, economic, and environment-friendly approaches to counter the outbreaks of rice blasts. greenpower consultation