Search Results - Jian-chang YANG
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Root Morphology and Physiology in Relation to the Yield Formation of Rice
Published 2012-06-01Get full textRoot system is a vital part of plant and regulates many aspects of shoot growth and development. This paper reviews how some traits of root morphology and physiology are related to the formation of grain yield in rice (Oryza sativa L.). Higher root biomass, root oxidation activity, and cytokinin con...
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Physiological mechanism underlying spikelet degeneration in rice
Published 2018-07-01Get full textThe phenomenon of degenerated spikelets is very common in cereals, and considered as a serious physiological defect and a main constraint to grain production. Understanding the physiological mechanism in which spikelet degeneration occurs would have great significance in enhancing yield potential in...
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The effects of water and nitrogen on the roots and yield of upland and paddy rice
Published 2020-05-01Get full textIt is of great significance to study the root characteristics of rice to improve water and nitrogen (N) use efficiency and reduce environmental pollution. This study investigated whether root traits and architecture of rice influence grain yield, as well as water and N utilization efficiency. An exp...
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Performance in Grain Yield and Physiological Traits of Rice in the Yangtze River Basin of China During the Last 60 yr
Published 2013-01-01Get full textKnowledge on the performance in grain yield and physiological traits is essential to understand the main yield-limiting factor and make strategies for breeding and crop management in rice (Oryza sativa L.). This study investigated the changes in grain yield and associated physiological traits of ric...
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Grain yield and water use efficiency of super rice under soil water deficit and alternate wetting and drying irrigation
Published 2017-05-01Get full textThis study investigated if super rice could better cope with soil water deficit and if it could have better yield performance and water use efficiency (WUE) under alternate wetting and drying (AWD) irrigation than check rice. Two super rice cultivars and two elite check rice cultivars were grown in...
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Deciphering the morpho–physiological traits for high yield potential in nitrogen efficient varieties (NEVs): A japonica rice case study
Published 2022-04-01Get full textThe use of nitrogen (N)-efficient rice (Oryza sativa L.) varieties could reduce excessive N input without sacrificing yields. However, the plant traits associated with N-efficient rice varieties have not been fully defined or comprehensively explored. Here, three japonica N-efficient varieties (NEVs...
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Grain yield, nitrogen use efficiency and physiological performance of indica/japonica hybrid rice in response to various nitrogen rates
Published 2023-01-01Get full textUtilizing the heterosis of indica/japonica hybrid rice (IJHR) is an effective way to further increase rice grain yield. Rational application of nitrogen (N) fertilizer plays a very important role in using the heterosis of IJHR to achieve its great yield potential. However, the responses of the grain...
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Changes in starch quality of mid-season indica rice varieties in the lower reaches of the Yangtze River in last 80 years
Published 2020-12-01Get full textRice (Oryza sativa L.) quality depends mainly on the characteristics of starch stored in kernels. Understanding the changes in starch characteristics in kernels during variety improvement would have great significance to improve rice quality. This study was designed to investigate the starch charact...
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Optimization of nitrogen fertilization improves rice quality by affecting the structure and physicochemical properties of starch at high yield levels
Published 2022-06-01Get full textA major challenge in modern rice production is to achieve the dual goals of high yield and good quality with low environmental costs. This study was designed to determine whether optimized nitrogen (N) fertilization could fulfill these multiple goals. In two-year experiments, two high yielding ‘supe...
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Optimizing integrative cultivation management improves grain quality while increasing yield and nitrogen use efficiency in rice
Published 2019-12-01Get full textA major challenge in rice (Oryza sativa L.) production is to cope with increasing grain yield and fertilizer use efficiency without compromising grain quality. This study was designed to determine if optimizing integrative cultivation management in rice could improve grain quality while increase yie...
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