Pre-Field Screening Protocols for Heat-Tolerant Mutants in Rice

Membrane dynamics during individual and combined abiotic stresses in plants and tools to study the same

“…MDA content increased in rice (Ma et al 2012, Awasthi et al 2017), soybean (Du et al 2010), Salvinia (Mandal et al 2013), Indian mustard (Saha et al 2016), Stipagrandis and Leymuschinensis (Song et al 2016) on exposure to different stress conditions. Several studies indicate that lipid peroxidation is a common phenomenon in plants under stress, and MDA content is a key indicator of the physiological status of plants (Lakra et al 2015, Sarsu et al 2018). MDA is one of the tools used to study the genetic variation in salt tolerance within different sugarcane cultivars, in which salt‐sensitive cultivars showed a higher MDA level (Chiconato et al 2019).…”

Backcross breeding for improvement of heat tolerance at reproductive phase in Thai rice (Oryza sativaL.) varieties

“…Sarsu et al . (2018) mentioned that the effective treatment for heat stress in the greenhouse depends on species, ecotype and cultivar differences in spikelet fertility of rice in response to high-temperature stress. However, the most effective treatment when used N22 as heat-tolerant control is at 39°C for 4 days (6 h/day).…”

“…Global warming has a potentially enormous negative impact on crop production. High temperatures have a direct damaging effect on crop development and yields (Sarsu et al ., 2018). Global environmental projections forecast that during the 21st century, global surface temperatures are expected to rise by 1.1–2.9°C for the lowest carbon emission scenarios and by 2.4–6.4°C for the highest emission scenarios (IPCC, 2012).…”

“…(1992) reported that a 7– 8% reduction in rice yield is associated with each 1°C rise in daytime temperature from 28 to 34°C. Thus, short-term predictions indicate that rice production could decrease by 10–25% in the near future because of higher temperatures (Sarsu et al ., 2018). The most effective way to solve the heat stress problem in rice production is to breed heat-tolerant varieties in rice planting regions with extreme heat stress (Wang et al ., 2019).…”

“…Breeding heat-tolerant rice is one of the strategies for developing crops adaptable to the effects of climate change, particularly in major rice-growing regions that are vulnerable to increased temperature (Redona et al ., 2009; Sarsu et al ., 2018). The heat tolerance of rice is a complex quantitative trait, being controlled by diverse sets of genes and varies with the development stages and tissues of the plant (Khan et al ., 2019).…”