WebRice grain shape and nutritional quality traits have high economic value for commercial production of rice and largely determine the market price, besides influencing the global food demand for high-quality rice. In order to understand the genetic components of grain appearance traits in paddy, brown, and head rice, 15 traits were evaluated by using 157 … WebJan 1, 2024 · Chalkiness can be categorized as white core, white belly, and white back on the basis of the location of opaque spots in endosperm. Chalkiness rate directly affects consumer acceptance of rice, and as for nonwaxy rice, only those with a chalkiness rate lower than 5% will be defined as high-quality rice.
Genetic mapping and confirmation of quantitative trait loci for grain ...
WebFeb 7, 2024 · Grain chalkiness is a highly undesirable trait deleterious to rice appearance and milling quality. The physiological and molecular foundation of chalkiness formation … WebOct 2, 2024 · Grain chalkiness and grain shape are two important traits of rice grain quality. Low chalkiness slender grains are preferred by most rice consumers. Here, we dissected two closely linked quantitative trait loci (QTLs) controlling grain chalkiness and grain shape on rice chromosome 8 by substitution mapping. phillip schofield laser eye surgery
Effect of Nitrogen Application Methods on Yield and Grain Quality …
WebJun 12, 2014 · Grain chalkiness is a complex trait adversely affecting appearance and milling quality, and therefore has been one of principal targets for rice improvement. Eliminating chalkiness from rice has been a daunting task due to the complex interaction between genotype and environment and the lack of molecular markers. WebFeb 22, 2024 · Grain chalkiness, an undesirable trait caused by complex factors, has great negative impacts on the quality and economic value of rice. However, little is known about the regulatory mechanism of grain chalkiness, particularly the effect of endoplasmic reticulum (ER) stress. WebMay 1, 2024 · Grain chalkiness in rice refers to the opaque part of endosperm, which is usually composed of irregular starch granules or abnormal protein bodies (Li et al., 2014; Xi et al., 2014). Generally, grain chalkiness is evaluated by the area of chalky endosperm and the percentage of chalky grains. phillip schofield joseph and the amazing