Influence of the Season of Year and Stage of Postharvest Processing on Anthracnose Severity in Bananas in a Savanna Climate in the Brazilian Northeast

IF 1.1 4区农林科学 Q3 PLANT SCIENCES Journal of Phytopathology Pub Date : 2024-09-13 DOI:10.1111/jph.13391

Débora Cristina da Silva, Jadson Araújo da Silva, Felipe Araujo Sousa, José Ailton Cruz Macêdo do Santos, Eliane Mayumi Inokuti, Sami Jorge Michereff, Kamila Câmara Correia

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Abstract

Banana cultivation has great socio-economic importance in the Cariri region (state of Ceará), Brazil. This study aimed to monitor the severity of anthracnose (caused by Colletotrichum musae) in bananas (cv. Prata) collected at three postharvest processing steps (dehanding, first washing and second washing) in packinghouses of four producing companies (A, B, C and D) in the wet (February–May) and dry (September–December) seasons of production in 2019. Averaged across packing companies and processing stages, disease severity was higher in the wet season (42.4%) than in the dry season (19.6%), but disease variability, expressed by the coefficient of variation, was higher in the dry season. In most cases, there were significant (p ≤ 0.05) differences among processing stages within each packinghouse and season, but the stage with the highest disease severity was not consistent. In other words, there was no predictable change in disease severity from dehanding to first and second washing. It was impossible to identify a single pattern in the severity of anthracnose in banana fruits collected from different companies and stages of postharvest processing, and this may be associated with the management adopted in each production area.

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在巴西东北部热带草原气候条件下，收获季节和收获后加工阶段对香蕉炭疽病严重程度的影响

香蕉种植在巴西卡里里地区（塞阿拉州）具有重要的社会经济意义。本研究旨在监测 2019 年雨季（2 月至 5 月）和旱季（9 月至 12 月）在四家生产公司（A、B、C 和 D）的包装车间采集的香蕉（品种 Prata）收获后三个加工步骤（脱皮、第一次清洗和第二次清洗）中炭疽病（由 Colletotrichum musae 引起）的严重程度。从各包装公司和加工阶段的平均值来看，雨季的病害严重程度（42.4%）高于旱季（19.6%），但以变异系数表示的病害变异性在旱季更高。在大多数情况下，每个包装厂和每个季节的加工阶段之间存在显著差异（p ≤ 0.05），但病害严重程度最高的阶段并不一致。换句话说，从脱毛到一洗和二洗，疾病严重程度没有可预测的变化。从不同公司和采后加工阶段收集的香蕉果实的炭疽病严重程度无法确定单一的模式，这可能与每个生产区采用的管理方法有关。

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来源期刊

Journal of Phytopathology 生物-植物科学

CiteScore

2.90

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： Journal of Phytopathology publishes original and review articles on all scientific aspects of applied phytopathology in agricultural and horticultural crops. Preference is given to contributions improving our understanding of the biotic and abiotic determinants of plant diseases, including epidemics and damage potential, as a basis for innovative disease management, modelling and forecasting. This includes practical aspects and the development of methods for disease diagnosis as well as infection bioassays. Studies at the population, organism, physiological, biochemical and molecular genetic level are welcome. The journal scope comprises the pathology and epidemiology of plant diseases caused by microbial pathogens, viruses and nematodes. Accepted papers should advance our conceptual knowledge of plant diseases, rather than presenting descriptive or screening data unrelated to phytopathological mechanisms or functions. Results from unrepeated experimental conditions or data with no or inappropriate statistical processing will not be considered. Authors are encouraged to look at past issues to ensure adherence to the standards of the journal.