General resistance in maize to southern rust
WebMar 1, 2024 · Southern corn rust (SCR) severely threatens maize production worldwide. Achieving durable control of SCR requires efficient breeding and deployment of resistant hybrids. WebMar 1, 2024 · Southern corn rust (SCR) severely threatens maize production worldwide. Achieving durable control of SCR requires efficient breeding and deployment of resistant …
General resistance in maize to southern rust
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WebApr 11, 2024 · Stripe rust is one of the most destructive wheat diseases in China, negatively affecting the production safety and causing yield losses of wheat. Thus, it is important to analyze the environmental suitability and dynamic changes of wheat stripe rust in China. The occurrence of stripe rust is affected by multiple factors. Therefore, this study … WebSouthern Corn Rust (SCR) is one of the most destructive diseases in corn production, significantly affecting corn quality and yields globally. Field-based fast, nondestructive diagnosis of SCR is critical for smart agriculture applications to reduce pesticide use and ensure food safety.
WebOct 9, 2007 · A number of potential sources of general and specific resistance to southern corn rust were identified from 1,890 plant introduction accessions that were screened for reactions to Puccinia polysora race 9. Resistance appeared to differ among four accessions on which uredinia were not observed in initial screenings. WebOct 8, 2009 · Southern corn rust, caused by Puccinia polysora Underw., has destructive potential on the susceptible host. In this study, the resistance inheritance was investigated in an F 2 and its F 2:3 populations derived from a cross from two inbred lines W2D (resistant) and W222 (susceptible). The 3:1 ratio of resistant to susceptible plants …
WebJul 1, 2011 · Southern corn rust (Puccinia polysora Underw.) is a major tropical disease that can lead to severe yield losses in the tropics. Occasionally it becomes of concern in temperate regions, as in 2010. We summarize 45 yr of research on the occurrence, … Webmeans to control southern rust where it occurs frequently. General resistance to P. polysora is a component of most tropical maize-breeding programs (4). Most tropi-cal maize has general resistance that re-duces severity of infection below eco-nomically important levels (25). In an evaluation of maize germplasm adapted for
WebJul 29, 2024 · Here, we report the cloning of a maize NLR gene, RppK, for resistance against southern corn rust (SCR) and its cognate Avr gene, AvrRppK, from Puccinia polysora (the causal pathogen of SCR).
WebOct 19, 2024 · The epiphytotic of SCR extended to the main part of the maize belt in the United States during 1972–1974, causing 30%–50% yield losses (Futrell et al. 1975 ). By … keys rental housesWebAflatoxin accumulation in maize (Zea mays L.) kernels is a serious economic and health problem that reduces grain quality and nutritional values and causes death to livestock and humans. Understanding the genetic parameters and heterotic responses of. island hopper meaningWebNov 10, 2024 · The resistant lines were CML496, Jitiaojiao and Denglonghong; CML496 is an elite tropical inbred line, developed by CIMMYT, whereas the other two are local cultivars. CML496 is highly resistant... keys rental homesWebSouthern corn rust has been confirmed in counties highlighted in red. High temperatures (80°-90° F) and high humidity favor disease development. Management Genetic Resistance Resistant varieties are the most cost-effective means to manage southern rust in … keys replacement near meWebM. S. Hawbaker is an academic researcher. The author has contributed to research in topic(s): Population & Southern corn leaf blight. The author has an hindex of 2, co-authored 2 publication(s) receiving 22 citation(s). island hopper from maui to oahuWebDOI: 10.1111/jipb.12027 Abstract Southern rust (Puccinia polysora Underw.) is a major disease that can cause severe yield losses in maize (Zea mays L.). In our previous study, a major gene RppP25 that confers resistance to southern rust … keys residential homeWebJul 1, 2011 · The heritability of resistance for southern corn rust in maize has been studied and reported previously: 79% -86% [36], 93% [37], 51% -66% [12], and 53% … island hopper from oahu to maui