文章基本信息

标题：POTASSIUM FERTILIZATION MANAGEMENT IN COMMON BEAN PROTECTION AGAINST COLLETOTRICHUM LINDEMUTHIANUM
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作者：Wallysson Nascimento Lima ; Deurimar Herênio Gonçalves Júnior ; Anatércia Ferreira Alves 等
期刊名称：Revista Ensino Interdisciplinar
电子版ISSN：2447-0783
出版年度：2020
卷号：6
期号：19
页码：12-20
DOI：10.21920/recei720206191220
出版社：Universidade do Estado do Rio Grande do Norte
摘要：Anthracnose of common bean caused by the fungus Colletotrichum lindemuthianum is considered one of the most important fungal diseases that attacks the aerial part of the common bean for causing significant losses in final productivity. Potassium is one of the elements that is involved in the defense of the plant. Thus, the objective was to evaluate the effect of potassium doses in the control of anthracnose in three common bean cultivars. The design used was completely randomized with five treatments in three repetitions. The severity of the disease was obtained at 15 days after inoculation using a diagrammatic scale of notes and by counting the number of lesions in the central and lateral leaflets and the length of the lesions in the midrib of the central leaflet. Potassium fertilization was efficient in controlling anthracnose in the pearl cultivar, reducing the severity of the disease at a dose of 180 kg ha-1 of potassium in the form of potassium chloride.
关键词：Anthracnose; Phaseolus vulgaris; Plant nutrition; Severity.