Grain chalkiness

Author: jgxn

August undefined, 2024

WebJul 2, 2024 · The chalky area of rice grains is often used to evaluate of rice grain starch quality, but the overall effect of high temperatures on grain chalkiness and overall nutrient quality has not been...

Starch metabolism and grain chalkiness under high temperature …

WebNov 6, 2024 · Chalkiness, an attribute that affects the visual quality of the raw rice grain, can also be classified as a search attribute as the percent of opacity (“chalkiness”) and translucency of the rice grain factor into purchase decisions of consumers; i.e., in most markets, the higher the degree of chalkiness, the lower is its acceptability in ... WebStarch biosynthesis is a complex process underlying grain chalkiness in rice in a genotype-dependent manner. Coordinated expression of starch biosynthesis genes is important for … orcutt wax

Our Menu CAVA

WebSep 1, 2009 · The grain chalkiness of rice (Oryza sativa L.), which determines the rice quality and price, is a major concern in rice breeding. Reactive oxygen species (ROS) plays a critical role in regulating rice endosperm chalkiness. Ascorbic acid (Asc) is a major plant antioxidant, which strictly regulates the levels of ROS. ... WebMay 31, 2016 · Since the grain chalkiness is caused by anomaly in starch accumulation in the rice grains (Ishimaru et al., 2009; Lo et al., 2016), the greater decline of the flag leaf photosynthesis in hybrid... WebJan 1, 2024 · The scientist has confirmed that rice grain nighttime temperature is positively correlated with chalkiness and inversely correlated with head rice proportion during the post-anthesis phase (Ambardekar et al., 2011). Based on the literature it has been confirmed that post-anthesis warming at nighttime reduces rice appearance quality. 28.6. iran hymne wm

Formation of grain chalkiness and changes in water distribution …

OsbZIP60-mediated unfolded protein response regulates grain chalkiness ...

WebSep 1, 2009 · The presence of chalky grains decreases rice's value in most of the world markets. High-temperature stress during grain ripening facilitates the formation of chalky grains. Chalky grains are frequently found when the average temperature during the 20 day period after heading is above 26–27 °C ( Wakamatsu et al., 2007 ). WebApr 1, 2024 · Grain chalkiness is one of important factors affected rice grain quality. It is known that chalkiness is affected by the high temperature during the seed filling period. … orcutt water districtWebOct 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. orcutt youth football league

"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. " - Grain chalkiness

Grain chalkiness

WebApr 18, 2024 · There were four chalkiness classifications: Perfect (0% = P; no chalkiness), Small (S; 0–15%), Medium (M; 15–40%), and Large (L; over 40%). Additionally, the … WebSep 1, 2024 · Grain chalkiness is one of the common defects that deteriorate the grain appearance in rice due to its negative effects on palatability and milling yield. Whether …

Did you know?

WebOct 26, 2024 · Grain chalkiness refers to the opaque region in endosperm and is classified into white-belly, white-core, white-back, and floury endosperm, according to its position … WebDec 1, 2016 · Chalkiness is a crucial determinant of rice quality. During seed filling period, high temperature usually increases grain chalkiness, resulting in poor grain quality. Rice chalkiness was controlled… Expand 1 PDF Identification and Pleiotropic Effect Analysis of GSE5 on Rice Chalkiness and Grain Shape Liangrong Jiang, Hui Zhong, +9 authors

WebApr 5, 2024 · The impact of nitrogen application on grain quality traits was evaluated by examining several factors, such as appearance, protein content, and the glossiness of cooked rice, and the results are presented in Table 5. Compared to 2024, in 2024, the head rice rate was higher, while the GCR (grain chalkiness rate) value was lower. WebOct 16, 2024 · The study suggests a mechanism of grain chalkiness based on the coordination of the three starch biosynthesis genes in rice. Significance statement Genotype-dependent and heat-induced grain...

WebFeb 23, 2015 · Here we show that the L-GalLDH-overexpressing transgenic rice, GO-2, which has constitutively higher leaf Asc content than wild-type (WT) plants, exhibits … WebMay 31, 2016 · More recently, some stable QTLs causing grain chalkiness were identified by using RILs derived from Lemont (a low chalk tropical japonica variety) and Teqing (a high chalk indica variety) . Among them, the positions of two major QTL clusters on chromosome 5 overlapped with that of cyPPDKB and Chalk5 [6, 11, 12].

WebThe Vis-NIR spectral region has been proved to be the most effective in identification of novel gene candidates influencing the rice grain quality and chalkiness and chlorophyll content together with the prediction of protein content [28], [29], [30].

WebFeb 22, 2024 · Abstract Grain chalkiness, an undesirable trait caused by complex factors, has great negative impacts on the quality and economic value of rice. However, little is … orcutt youth softballWebMay 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. iran iee showWebChalkiness of rice grain is an important quality component of rice, as it has a profound influence on eating and milling qualities. We has determined the inheritance of percentage of grain with chalkiness (PGWC) using a set of chromosome segment substitution lines, made from a cross between cv. PA64s and cv. 9311. iran hurricaneWebJul 2, 2024 · Thus, in this study, we assessed high temperature effects on grain weight, chalkiness, and nutrient contents. Rice grains were classified into four groups on the … iran hypersonic misWebFeb 7, 2024 · Grain chalkiness is a highly undesirable trait deleterious to rice appearance and milling quality. The physiological and molecular foundation of chalkiness formation … iran hyperinflationWebFeb 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. iran ictWebApr 10, 2024 · The maximum distance of the two QTLs was 4.37 Mb and the space distance of two QTL intervals was 0.72 Mb. qPGC8.1 controlled grain chalkiness and grain width. qPGC8.2 was responsible for grain ... orcutt youth softball association