Shedding light on a hot topic: Tuberisation in potato

IF 2.2 3区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY
Julia E. Stockem, Michiel E. de Vries, Paul C. Struik
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引用次数: 1

Abstract

Growing small seedling tubers from true seed, comparable with mini tubers, in controlled conditions could be a method to multiply healthy starting material of potato. In indoor farming systems, the conditions can be optimised for high production. In field trials, it is impossible to investigate the effects of environmental factors such as temperature and light separately. In this study, we performed three climate room experiments in which the effects of light intensity, temperature and percentage of far-red light in the light spectrum on tuber production were assessed. We found that increasing the average temperature reduced tuber number and tuber weight. Increasing the diurnal temperature variation while keeping the average temperature equal resulted in increased tuber size. The light treatments on the other hand only affected the number of tubers per plant: increasing light intensity and increasing the percentage of far-red light in the spectrum enhanced the number of tubers. Moreover, interaction in tuber production between inbred lines and temperature was significant, with some inbred lines being relatively tolerant to high temperature. These findings will help breed for heat tolerant varieties and optimise growing conditions for tuber production in indoor farming systems.

Abstract Image

揭示一个热门话题:马铃薯块茎化
在受控条件下,从真正的种子中种植与迷你块茎相当的小苗块茎,可能是一种繁殖健康的马铃薯原料的方法。在室内农业系统中,可以优化条件以实现高产。在野外试验中,不可能单独研究温度和光照等环境因素的影响。在这项研究中,我们进行了三个气候室实验,评估了光强、温度和光谱中远红光的百分比对块茎产量的影响。我们发现,提高平均温度可以减少块茎数量和块茎重量。在保持平均温度不变的情况下,增加日温度变化导致块茎大小增加。另一方面,光照处理只影响单株块茎的数量:增加光照强度和增加光谱中远红光的百分比会增加块茎的数量。此外,自交系在块茎生产中与温度的相互作用显著,一些自交系对高温相对耐受。这些发现将有助于培育耐热品种,并优化室内种植系统中块茎生产的生长条件。
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来源期刊
Annals of Applied Biology
Annals of Applied Biology 生物-农业综合
CiteScore
5.50
自引率
0.00%
发文量
71
审稿时长
18-36 weeks
期刊介绍: Annals of Applied Biology is an international journal sponsored by the Association of Applied Biologists. The journal publishes original research papers on all aspects of applied research on crop production, crop protection and the cropping ecosystem. The journal is published both online and in six printed issues per year. Annals papers must contribute substantially to the advancement of knowledge and may, among others, encompass the scientific disciplines of: Agronomy Agrometeorology Agrienvironmental sciences Applied genomics Applied metabolomics Applied proteomics Biodiversity Biological control Climate change Crop ecology Entomology Genetic manipulation Molecular biology Mycology Nematology Pests Plant pathology Plant breeding & genetics Plant physiology Post harvest biology Soil science Statistics Virology Weed biology Annals also welcomes reviews of interest in these subject areas. Reviews should be critical surveys of the field and offer new insights. All papers are subject to peer review. Papers must usually contribute substantially to the advancement of knowledge in applied biology but short papers discussing techniques or substantiated results, and reviews of current knowledge of interest to applied biologists will be considered for publication. Papers or reviews must not be offered to any other journal for prior or simultaneous publication and normally average seven printed pages.
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