漂浮系统中番茄和未成熟甜瓜幼苗对硅供应的基因型特异性响应

IF 3.1 3区 农林科学 Q1 HORTICULTURE Horticulturae Pub Date : 2024-01-09 DOI:10.3390/horticulturae10010069
Annalisa Somma, O. D. Palmitessa, Massimiliano D’Imperio, F. Serio, Pietro Santamaria
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引用次数: 0

摘要

农作物的农艺生物强化是在植物器官中积累硅的一种很有前景的方法,可以通过无土栽培技术在营养液(NS)中施用含硅肥料来实现。在本研究中,在营养液中添加三种水平的 Si(0、50 和 100 mg-L-1)的浮动系统中栽培了一种名为 Carosello 的当地甜瓜品种和两种番茄杂交种 "Alfa 200"(TA)和 "Versus"(TV),目的是研究这些基因型的叶、茎和根中的 Si 转化/积累情况。总的来说,在 NS 中添加硅后,植物体内的硅积累增加了。在硅的易位方面,研究发现卡罗塞罗比番茄杂交种表现出更好的易位能力,而硅从根部向芽部的移动在很大程度上取决于番茄的基因型。NS中的硅含量最高,TA在叶片和茎中的硅含量相似,而TV在叶片中的硅含量更高。总之,卡罗塞罗陆地品系被证实是一种良好的硅积累植物,而番茄则被证实是一种硅积累能力较低的物种。不过,番茄中硅生物强化的效果在很大程度上取决于基因型。
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Genotype-Specific Response to Silicon Supply in Young Tomato and Unripe Melon Plants Grown in a Floating System
Agronomic biofortification of crops is a promising approach for the accumulation of Si in plant organs and can be achieved through the application of Si-containing fertilizers in the nutrient solution (NS) using a soilless technique. In the present research, a local variety of Cucumis melo L. called Carosello and two tomato hybrids, ‘Alfa 200’ (TA) and ‘Versus’ (TV), were cultivated in a floating system with three levels of Si (0, 50, and 100 mg·L−1) in the NS with the aim to study the Si translocation/accumulation in leaves, stems, and roots of these genotypes. In general, by adding Si to the NS, Si accumulation in plants increased. Regarding Si translocation, it was found that Carosello exhibited a better translocation capacity than tomato hybrids, and Si movement from roots to shoots was very much dependent on tomato genotypes. With the highest Si content in the NS, TA had a similar Si concentration in leaves and stems, while TV showed a greater Si concentration in leaves. In conclusion, Carosello landrace is confirmed as a good Si accumulator, while the tomato is confirmed as a species with low Si accumulation capacity. Nevertheless, the effectiveness of Si biofortification in tomatoes is very much dependent on the genotype.
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来源期刊
Horticulturae
Horticulturae HORTICULTURE-
CiteScore
3.50
自引率
19.40%
发文量
998
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