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首页> 外文期刊>Quality Assurance and Safety of Crops & Foods >Rice grain discoloration effect on physical properties and head rice yield in three rice cultivars
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Rice grain discoloration effect on physical properties and head rice yield in three rice cultivars

机译：水稻粒变色对身体的影响属性和水稻产量在3米品种

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摘要

Rice grain discoloration is a complex disease which develops by a range of micro-organisms. Effects of fungal agents such as Alternaria sp., Curvularia sp., Cladosporium spp., Bipolaris spp. on the physical properties and head rice yield (HRY) were examined during the cropping season 2013-2014. The experiment was conducted in factorial design with two factors; three rice cultivars of Hashemi, Gohar and Khazar, and two grain disease severity levels (high and low) based on a randomised complete design with four replications. In order to attain high disease severity level, water was sprayed at the heading stage of the crop. The grains axial dimensions, geometric and arithmetic mean diameters, sphericity, surface area, volume, slenderness ratio, 1000-grain weight, as well as HRY were measured at a moisture content of 9% (wet basis). The average of length, width, thickness, surface area, volume and 1000-grain weight at the high disease severity were found to be 7.64, 2.04, 1.67 mm, 20.375 mm(2), 13.796 mm(3) and 24.6 g, respectively, and at the low disease severity 7.78, 2.04, 1.69 mm, 20.944 mm(2), 14.341 mm(3) and 26.32 g, respectively. There were significant differences between the tested cultivars for all physical properties and HRY. The average HRY with high disease severity was 54.18% and 58.18% with low disease severity.
机译：大米谷物变色是一种复杂的疾病由一系列微生物的发展。如链格孢属真菌代理sp的影响。Curvularia sp,枝孢属spp Bipolaris spp。物理特性和水稻产量(HRY)检查在种植季节2013 - 2014。与两个因素析因设计;品种的Hashemi Gohar Khazar,两个谷物疾病严重度级别(高、低)基于随机完整的设计有四个复制。严重性级别,水喷在标题阶段的作物。几何和算术平均直径,球形、表面积、体积,细长比,1000粒重以及HRY以9%的水分含量(湿基)。的平均长度、宽度、厚度、表面面积、体积和1000 -粒重高疾病严重程度被发现是7.64,2.04,1.67毫米、20.375毫米(2),(3)13.796毫米和24.6 g,分别和疾病严重程度较低7.78, 2.04, 1.69毫米,14.341毫米20.944毫米(2),(3)和26.32 g。测试品种之间的差异物理性质和HRY。疾病严重程度高54.18%和58.18%疾病严重程度较低。

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