Effect of the biological protection system on the composition of soil microbiota and quality of potatoes in the central agro‐climatic zone of Krasnodar Territory, Russia

IF 0.3 Q4 ECOLOGY
S. N. Nekoval', O. A. Maskalenko
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Abstract

Aim . Assessment of the effect of biological products on soil suppression, biological efficacy, yield and biochemical parameters of potatoes in Krasnodar Territory. Material and Methods . The experiment was carried out on potatoes of the Colomba variety. The biological preparations against potato diseases have been studied. The research was carried out according to generally accepted methods. Results . During the study period, representatives of the genera Alternaria, Fusarium, Verticillium, Cladosporium, Trichoderma, Penicillium, Aspergillus were identified in the complex of soil fungi. When using biological products, an increase in Trichoderma spp. and conditionally suppressive fungi Penicillium spp. and Aspergillus spp. compared with the control and the chemical protection option, by 4.0 and 29.0 times, 1.7 and 1.8 times and 1.4 and 4.5 times, respectively, was observed. The efficacy of the biological products against Alternaria and Fusarium wilt was 73.4–77.7 % in the first year of the research, and 70.0–76.3 % in the second year, which was higher than chemical protection by 3.3–3.8 % and 0.8–2.7 %, respectively. The yield of potato tubers was higher than the control and the chemical protection option by 49.3–10.1 %. The highest content of vitamin C was noted in the biological protection system option. The content of nitrates in all variants of the experiment was within the normal range. The content of starch was higher than the control and the chemical protection option by 1.1–0.2%, respectively. Conclusions . The application of a biological protection system made it possible to reduce the development of Alternaria and Fusarium on potato plants, increase soil suppression, increase yield and improve biochemical indicators.
生物防护系统对俄罗斯克拉斯诺达尔地区中部农业气候带土壤微生物群组成和马铃薯品质的影响
的目标。克拉斯诺达尔地区马铃薯生物制品对土壤抑制、生物功效、产量和生化参数的影响评价材料和方法。这项试验是在哥伦比亚品种的土豆上进行的。对马铃薯病害的生物防治进行了研究。这项研究是按照公认的方法进行的。结果。研究期间,在土壤真菌复体中鉴定出了互交菌属、镰刀菌属、黄萎病菌属、枝孢菌属、木霉属、青霉属、曲霉属等具有代表性的真菌。使用生物制品时,木霉、条件抑制真菌青霉菌和曲霉菌的数量分别比对照和化学防护分别增加了4.0倍和29.0倍,1.7倍和1.8倍,1.4倍和4.5倍。生物制品对稻瘟菌和枯萎病的防治效果,第一年为73.4 ~ 77.7%,第二年为70.0% ~ 76.3%,分别比化学防护高出3.3 ~ 3.8%和0.8 ~ 2.7%。马铃薯块茎产量比对照和化学防护方案高出49.3% ~ 10.1%。生物防护体系中维生素C含量最高。各品种的硝酸盐含量均在正常范围内。淀粉含量比对照和化学防护方案分别高出1.1 ~ 0.2%。结论。生物防护系统的应用可以减少马铃薯植株上稻瘟菌和镰刀菌的发展,增加土壤抑制,提高产量,改善生化指标。
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来源期刊
CiteScore
0.80
自引率
50.00%
发文量
73
审稿时长
8 weeks
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