Kernel quality and morphological traits of scented rice (cv. Super Basmati) in relation to irrigation and zinc application

Hasnain, Zuhair

doi:10.5897/jpbcs2013.0412

Cited by 4 publications

(5 citation statements)

References 11 publications

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“…Wang et al observed a significant increase in head rice yield, and decrease in kernel chalkiness, length/width ratio, and amylose content as a result of combined application of nitrogen (up to 202.5 kg/hm 2 ), phosphorus (up to 67.5 kg/hm 2 ), and potassium (up to 135.0 kg/hm 2 ) fertilizers. On the other hand, potassium and zinc applications were found to increase amylose content.…”

Section: Impact Of Soil Nutrientsmentioning

confidence: 95%

Impact of environmental factors on rice starch structure: A review

2014

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Among cereal grains, rice is the world's leading source of caloric energy in the human diet. About 90% of a milled rice kernel is starch (dry weight basis), thus justifying the need to understand the impacts of factors affecting starch composition and behavior when processed. This review presents past and current perspectives regarding the effects of growing environment on the macro, micro, and nano level structures of rice starch. The environmental elements considered in this work are: air temperature, atmospheric carbon dioxide, light, water, and soil nutrients. All these elements are essential for plant development and reproduction. The effect of air temperature is the most widely explored aspect of the environment in relation to rice production and grain quality. This could be attributed in part to the recently purported and highly publicized global warming phenomenon. Amylose content has remained a major predictor of rice starch quality but emerging instrumental techniques have facilitated more thorough research addressing the fine structure of amylopectin, which constitutes ∼70% of the starch present in a milled rice kernel. Kernel chalkiness appears to be the most common visual manifestation of environment‐related stress. Typically, there are genotype by environment interactions; this may result in inconsistent temporal and spatial findings. However, such interactions may prove useful in identifying particular genotypes that are adaptable and stable across growing locations.

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Section: Impact Of Soil Nutrientsmentioning

confidence: 95%

Impact of environmental factors on rice starch structure: A review

2014

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“…In contrast to Hasnain and Ali (2013), Ghasal et al (2016) observed that Zn application had no significant impact on amylose content. However, their rates (1.25-5 kg/ ha) were significantly lower (8-14 kg/ha) than the rates used by Hasnain and Ali (2013).…”

Section: The Impact Of Zinc Fertilizer On Rice Grain Qualitymentioning

confidence: 72%

“…(2016) noted that Zn application increased 1,000‐grain weight, which could indicate a change in amylose or amylopectin content as starch accounts for the majority of the grain. In contrast to Hasnain and Ali (2013), Ghasal et al. (2016) observed that Zn application had no significant impact on amylose content.…”

Section: Management Practices Affecting Rice Grain Qualitymentioning

confidence: 76%

“…Prior research has demonstrated that Zn fertilizer increases HRY (Ghasal et al., 2016; Gomaa et al., 2015), possibly due to an increase in protein content. Hasnain and Ali (2013) reported that Zn fertilizer increased amylose content and water absorption during cooking. Increased water absorption would increase starch granule swelling affecting pasting properties and cooked rice texture (Baxter et al., 2014).…”

Section: Management Practices Affecting Rice Grain Qualitymentioning

confidence: 99%

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Effect of agronomic management on rice grain quality Part I: A review of Australian practices

et al. 2020

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Crop yield dominates rice (Oryza sativa L.) industry research; however, it is grain quality that dictates the value and market acceptance of rice. Key parameters of rice grain quality include physical appearance, amenability to processing and the cooking and sensory properties. In Australia, rice farmers who do not meet defined high‐quality standards receive discounts to their payments. Consequently, even with high yields, poor grain quality can negatively impact grower returns. Despite the financial consequences, the quality of Australian grown rice is highly variable, because unfortunately, the underlying causes are poorly understood. The identification of genetic markers for specific traits largely dominates rice grain quality research, while research regarding the effect of crop management practices on grain quality is relatively sparse and generally lacks an Australian focus. Prior research that has assessed the effect of crop management practices on grain quality tends to focus primarily on milling quality and neglect the physicochemical and cooking properties. This review outlines the current state of knowledge of the role nutritional management, irrigation protocols, planting density, and the interaction with genotype and environment on rice grain quality. The review highlights the uniqueness of Australian management practices and that there is a need for future research to understand the impact of agronomic practices on rice grain quality in Australia. Understanding how each cultivar interacts with agronomic practices can help reduce the variability found within rice crops.

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“…Relationship between zinc content (g) and grain yield per plant (g) a positive linear relation (R² = 0.2556) between zinc content (g) and grain alylose (%). It was found that amylose content was significantly and linearly increased with increasing zinc application rates (26).…”

Section: Coefficient Of Determinant (R 2 )mentioning

confidence: 97%

Organoleptic and grain quality traits of aromatic rice varieties as influenced by supplementation of Zn and 2-acetyl-1-pyrroline

Roy

Ali

et al. 2019

Plant Sci. Today

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Aromatic rice fetches premium prices in world markets due to its pleasant smell and enchanting flavor. In Bangladesh, the quality of aromatic rice is much inferior than those of other rice growing countries because of lack of improved variety and judicious agronomic management. Selection of appropriate variety and supplementation zinc (Zn) and 2-acetyl-1-pyrroline (2-AP) can improve the aroma. The present study exhibited the effects of 2-AP and Zn supplementation on yield and quality of aromatic rice. Two well-known aromatic cultivars, BRRI dhan80 and BRRI dhan34, were cultured separately in pot supplemented with 2-AP and Zn. The results showed that supplementation of 2-AP and /or Zn along with conventional practices had significant effects on organoleptic and some quality parameters studied in this study. The concentration of 2AP and Zn in rice grain increased with increasing their application rate. Additionally, grain 2-AP concentrations were significantly and positively correlated with organoleptic characters. Interactions of both these elements with the complex process of 2-AP formation remain to be explored.

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Kernel quality and morphological traits of scented rice (cv. Super Basmati) in relation to irrigation and zinc application

Cited by 4 publications

References 11 publications

Impact of environmental factors on rice starch structure: A review

Impact of environmental factors on rice starch structure: A review

Effect of agronomic management on rice grain quality Part I: A review of Australian practices

Organoleptic and grain quality traits of aromatic rice varieties as influenced by supplementation of Zn and 2-acetyl-1-pyrroline

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