墨西哥格雷罗地区耐/抗黑穗棒孢菌诱导斑点玫瑰茄基因型的筛选

F. Palemón-Alberto, Guadalupe Reyes-García, S. Á. Ortega-Acosta, A. Rojas-García, M. Maldonado-Peralta, E. Toledo-Hernández, E. Villar-Luna, E. García-López, S. Domínguez-Monge, B. Cruz-Lagunas, María de los Ángeles Lázaro-Delgado
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引用次数: 0

摘要

摘要:在墨西哥,由决明子棒状孢菌引起的玫瑰红斑点影响了花萼的产生。本研究的目的是在温室条件下评估22种玫瑰茄基因型对黑醋栗的抗性。疾病进展曲线下面积(AUDPC)用于检测易感、耐受和抗性基因型。考虑到叶片中的发病率,易感基因型为Conpoz、Sudlaz、Morcot和Sudigua(AUDPC值为7379.2至5891.7);耐受基因型为Conayu和Chinxal(AUDPC 1341.6和1313.2)。根据叶片的严重程度,易感基因型为Sudigua、Conpoz和Morena2(AUDPC为788.4~436.3);耐受基因型为Almatech、Crioxal、Rojatec和Conayu(37.7至28.76 AUDPC)。对其发病率的评估表明,感病基因型为Morena2、Morena、Conpoz、Descop和Chinayu(AUDPC从6572.1到2319.4);就杯状物的严重程度而言,易感基因型为Morena2、Descop、Morena、Cabxal、Chinayu和Conpoz(AUDPC从3355.4到779.2)。杯状物的发病率和严重程度证明了抗性基因型为Almatech、Criolaz2、Criocot、Criolaz、Rojatec、Criopoz、Crioxal、Chinxal和Conayu(0.0 AUDPC)。在本研究中,检测到了对玫瑰茄叶和盏斑病的耐受和抗性基因型。
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Selection of roselle genotypes tolerant/resistant to spots induced by Corynespora cassiicola in Guerrero, Mexico
ABSTRACT Roselle spot caused by Corynespora cassiicola affects calyx production in Mexico. The aim of the present study was to evaluate twenty-two roselle genotypes against C. cassiicola under greenhouse conditions. The area under the disease progress curve (AUDPC) was used to detect susceptible, tolerant and resistant genotypes. Considering the incidence in leaves, susceptible genotypes were Conpoz, Sudlaz, Morcot and Sudigua (AUDPC values of 7379.2 to 5891.7); tolerant genotypes were Conayu and Chinxal (AUDPC 1341.6 and 1313.2). Based on the severity in leaves, susceptible genotypes were Sudigua, Conpoz and Morena2 (AUDPC from 788.4 to 436.3); tolerant genotypes were Almatech, Crioxal, Rojatec and Conayu (37.7 to 28.76 AUDPC). Assessment of the incidence in calyces indicated that susceptible genotypes were Morena2, Morena, Conpoz, Descop and Chinayu (AUDPC from 6572.1 to 2319.4); for the severity in calices, susceptible genotypes were Morena2, Descop, Morena, Cabxal, Chinayu and Conpoz (AUDPC from 3355.4 to 779.2). Incidence and severity on calyces evidenced resistant genotypes, which were Almatech, Criolaz2, Criocot, Criolaz, Rojatec, Criopoz, Crioxal, Chinxal and Conayu (0.0 AUDPC). In the present study, tolerant and resistant genotypes were detected to leaf and calyx spot caused by C. cassiicola in roselle.
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来源期刊
Summa Phytopathologica
Summa Phytopathologica Agricultural and Biological Sciences-Plant Science
CiteScore
0.90
自引率
0.00%
发文量
13
期刊介绍: The Summa Phytopathologica is a publication of the São Paulo State Plant Pathology Association (APF), Botucatu SP. Summa Phytopathologica (SP) is dedicated to publishing technical and scientific articles that describe original research in the area of Plant Pathology that may contribute significantly to its progress. SP accepts papers written in Portuguese, English, or Spanish. Its abbreviated title, Summa Phytopathol., should be used in bibliographies, footnotes and bibliographical references and strips.
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