马铃薯有机生产系统栽培品种的生产性能

IF 0.7 4区农林科学 Q4 HORTICULTURE

Horticultura Brasileira Pub Date : 2022-09-01 DOI:10.1590/s0102-0536-20220304

Sara Passos, C. Rech, J. Kawakami, N. Nazareno, Marcos Roberto Barbosa, C. Nardi

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引用次数: 0

摘要

摘要本研究对马铃薯品种在有机生产系统中的表现进行了评价，旨在鉴定出产量高、受疫霉和暗黑菌危害小的品种。试验在2013/2014和2014/2015作物季节进行。对Ágata、Aracy Ruiva、Vitória、Clara、Eliza、Catucha和Cris 5个品种进行了病原菌发病进展曲线(AUDPC)的严重程度和面积、d.s speciosa引起的外孔和内孔以及块茎产量的评价。大多数品种对病原菌和特殊病原菌反应积极。“Ágata”是最敏感的品种，病原菌严重程度接近100%，AUDPC显著高于其他品种。“伊莱扎”和“卡图查”对褐斑夜蛾幼虫的外部伤害较“克拉拉”和“卡图查”严重。在这两年中，“Eliza”也是内伤最严重的品种之一，而“Catucha”和“Vitória”是内伤最少的品种。结果表明，“Catucha”和“Clara”是最适合有机栽培的材料。

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Performance of potato cultivars grown in the organic production system

ABSTRACT In this study we evaluated the performance of potato cultivars in the organic production system, aiming to identify those more productive and less damaged by Phytophthora infestans and Diabrotica speciosa. The experiment was conducted during the 2013/2014 and 2014/2015 crop seasons. Cultivars Ágata, Aracy Ruiva, Vitória, Clara, Eliza, Catucha and Cris were assessed for severity and area under disease progress curve (AUDPC) of P. infestans, external holes and internal galleries caused by D. speciosa, and tuber yield. Most cultivars reacted positively to P. infestans and D. speciosa. ‘Ágata’ was the most susceptible cultivar, with P. infestans severity close to 100% and AUDPC significantly higher than the other cultivars. D. speciosa larvae external damages were more intense in ‘Eliza’ than in ‘Clara’ and ‘Catucha’. ‘Eliza’ was also among the most internally damaged cultivars in both years, while ‘Catucha’ and ‘Vitória’ were among the least internally damaged. The results indicate ‘Catucha’ and ‘Clara’ as the most suitable for organic cultivation among the studied materials.

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来源期刊

Horticultura Brasileira 农林科学-园艺

CiteScore

1.40

自引率

28.60%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal Horticultura Brasileira, a quarterly journal, is the Official Publication of the Sociedade de Olericultura do Brasil. Its abbreviated title is Hortic. bras., and it should be used in bibliographies, footnotes, references and bibliographic strips.