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BIOFORTIFICATION AND SHOOT: ROOT RATIO IN WHEAT SEEDLINGS UNDER THE INFLUENCE OF CERTAIN MINERAL ELEMENTS

机译:生物成矿作用和根系:某些矿质元素对小麦幼苗根系比的影响

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Researching the way to strike a balance for the shoot : root ratio is beneficial for the normal growth and development of wheat plants even from the early stages of vegetation. The aim of this research was to study the influence of some mineral elements, with a structural and nutritional value, on shoot and root biomass and on the shoot : root ratio in wheat seedlings. The fertilizer used for providing the mineral elements was Lithovit; this is a product based on calcium carbonate and magnesium, with a balanced content of nutrients (Ca, Mg, Fe, Si, K, Na, P and Mn). The biological material was represented by Alex wheat cultivar, species Triticum aestivum L. ssp vulgare. The mineral elements were applied on the shoots when the wheat seedlings were in development stage 12-13 BBCH, through three concentrations of Lithovit (0.35%, 0.7% and 1%). One variant was treated with water, thus it became the control variant, for reference. The treatments applied had a different influence on the quantity of fresh and dry biomass at root level and at shoot level; the results presented statistical significance (p 0.01; Fcrit F, for Alfa = 0.001, ANOVA test). The values of the shoot : root ratio for fresh weight (S/R Fw ) ranged from 1.006 to 1.015 in the treated variants, while for the control variant the result was 0.970. As for the dry weight (S/R Dw ), the results yielded by the treated variants were between 1.010 and 1.033, and the result for the control was 0.977.
机译:研究达到平衡的方法:即使在植被早期,根比也有助于小麦植物的正常生长和发育。这项研究的目的是研究具有结构和营养价值的某些矿物质元素对小麦幼苗的茎和根生物量以及茎与根的比率的影响。用于提供矿物质元素的肥料是Lithovit;这是一种基于碳酸钙和镁的产品,具有均衡的养分含量(钙,镁,铁,硅,钾,钠,磷和锰)。该生物材料由Alex小麦栽培种Triticum aestivum L. ssp vulgare代表。通过三种浓度的Lithovit(0.35%,0.7%和1%),在小麦幼苗处于12-13 BBCH发育阶段时,将矿质元素施于芽上。一种变体用水处理,因此成为对照变体,以供参考。在根部和茎部,所采用的处理对新鲜和干燥生物量的影响不同。结果表明具有统计学意义(p <0.01;对于Alfa = 0.001,Fcrit F,ANOVA测试)。在处理的变体中,鲜重的枝:根比值(S / R Fw)为1.006至1.015,而对于对照变体,结果为0.970。至于干重(S / R Dw),经处理的变体产生的结果在1.010至1.033之间,而对照的结果为0.977。

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