Evaluation of mechanical damage of Lady Rosetta potato tubers using different methods

Q4 Agricultural and Biological Sciences International Journal of Postharvest Technology and Innovation Pub Date : 2016-01-23 DOI:10.1504/ijpti.2015.074322

A. Rady, S. Soliman

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引用次数: 9

Abstract

Instrumented sphere (IS) was utilised to evaluate several surfaces used in harvesting and handling potatoes (Lady Rosetta cultivar) by dropping the IS from 5 to 90 cm. The minimum dropping heights causing unallowable damage were 15, 15, and 25 cm on steel sheet, steel rods, and rubber-coated steel rods, respectively. However, the two-layer potato surface caused no unallowable damage in the drop height range of 5-90 cm. Tubers were dropped on the above surfaces and respiration (RR), bruise volume (Vb), and split area (As) were measured to assess the physiological behaviour after the drop test. The absorbed energy (Eab) was calculated for each dropped tuber and the results showed that steel sheet and steel rods resulted in higher RR and Vb values compared to the coated steel rods and potato surfaces. Regression equation of Eab with RR yielded fair performance for steel sheet and potato surfaces with an R2 value of 0.78 and 0.56, respectively. Regression of Eabwith Vb resulted in an R2 higher than 0.98.

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不同方法对罗塞塔夫人马铃薯块茎机械损伤的评价

仪器球(IS)通过将仪器球从5厘米降至90厘米来评估收割和处理马铃薯(罗塞塔夫人品种)时使用的几个表面。对钢板、钢棒和涂胶钢棒造成不允许损坏的最小跌落高度分别为15、15和25厘米。但在5 ~ 90 cm的落差范围内，两层马铃薯表面没有造成不允许的破坏。将块茎掉落在上述表面，测量呼吸(RR)、瘀伤体积(Vb)和劈裂面积(As)，以评估跌落试验后的生理行为。计算了每根马铃薯表面的吸收能(Eab)，结果表明，钢板和钢棒表面的吸收能(RR)和吸收能(Vb)高于涂覆钢板和马铃薯表面。Eab与RR的回归方程对钢板和马铃薯表面的处理效果较好，R2分别为0.78和0.56。eabb与Vb的回归结果R2大于0.98。

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来源期刊

International Journal of Postharvest Technology and Innovation Agricultural and Biological Sciences-Food Science

CiteScore

1.00

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0.00%

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期刊介绍： Technology is an increasingly crucial input in the industrialisation and development of nations and communities, particularly in the current era of globalisation, trade liberalisation and emphasis on competitiveness. The shared technologies and innovations of today are giving birth to the radically different agrifood industries and communities of tomorrow. There is mounting evidence that investments in postharvest research and infrastructure yield high rates of return that are comparable and often higher than investments in on-farm production alone.