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首页> 外文期刊>American Journal of Potato Research >Intumescence Injury in the Leaves of Russet Burbank Potato Plants is Mitigated by Calcium Nutrition
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Intumescence Injury in the Leaves of Russet Burbank Potato Plants is Mitigated by Calcium Nutrition

机译：通过钙营养减轻了赤褐色伯班港土豆植物叶片的致力损伤

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Many plants including potato, tobacco, tomato, and geraniums often develop intumescence (oedema) injury, which is observed exclusively on plants grown in controlled environments. Early studies have suggested a link between light quality and intumescence by showing UV and/or far-red light mitigation of injury. Here, we report that intumescence can be mitigated by calcium nutrition. Commercial cultivars of Solanum tuberosum L. cvs Russet Burbank' and Atlantic' were grown from in vitro shoot cultures in 20.4L pots within a climate-controlled greenhouse. Plants were irrigated daily to excess with Peter's Professional Peat Lite Special 20-10-20 fertilizer (0.52gL(-1) tap water) supplemented with either 1mM or 10mM CaCl(2)2H(2)O. We evaluated 13 replications from both potato cultivars and Ca2+ treatments. Intumescences were observed at about 32days after calcium treatments began, exclusively on the upper and lower leaf surfaces of Russet Burbank. Upper canopy leaves of Russet Burbank showed approximately 65 and 5% intumescence injury for the 1mM and 10mM Ca2+ treatments, respectively. Average leaf calcium concentration was nearly double in the plants supplemented with 10mM compared with 1mM Ca2+. Tuber yield and foliage weight were higher in the plants supplemented with 10mM Ca2+ as compared with 1mM Ca2+ and suggests that intumescence injury reduced growth and partitioning. These data provide evidence that supplemental calcium can mitigate intumescence injury on susceptible cultivars of potato in controlled environments.
机译：许多植物包括马铃薯，烟草，番茄和天竺葵通常会产生令人兴奋（水肿）损伤，其专门观察到受控环境中生长的植物。早期研究表明光质和毛动作用通过显示紫外线和/或远红光减轻伤害的光学质量和毛动作用。在这里，我们报告说令人厌氧可以通过钙营养来减轻。 Solanum Tuberosum L. CVS russtr Burbank'和Atlantic'的商业品种从气候控制温室的20.4L盆中的体外拍摄培养种植。每天灌溉植物以多余的用Peter的专业泥炭液特别20-10-20肥（0.52gl（-1）自来水），补充有1mm或10mm CaCl（2）2H（2）o。我们评估了来自马铃薯品种和Ca2 +治疗的13个复制。在钙处理开始后大约32天观察到型脉搏，专注于赤褐色伯班鹬的上叶表面。赤褐色围栏的上冠层叶片分别为1mm和10mm Ca2 +治疗分别显示大约65％和5％的血液损伤。与1mM Ca2 +相比，平均叶片钙浓度几乎是10mm的植物中的两倍。与1mm Ca2 +相比，植物产量和叶子重量较高，植物补充有10mm Ca2 +，并表明吹动损伤降低了生长和分区。这些数据提供了证据表明，补充钙可以减轻受控环境中易感品种易感品种的血液损伤。

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