Identification of ‘Calanda’-Type Peach Genotypes Tolerant to <i>Monilinia laxa</i> (Aderh. & Ruhland) Honey
One of the diseases that has the greatest negative effect on peach production is brown rot, produced by the fungus, <i>Monilinia</i> spp. The way to diminish this disease is the selection of genotypes with a high tolerance to <i>Monilinia</i> spp. while maintaining fruit qual...
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| Format: | Article |
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MDPI AG
2022-10-01
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| Series: | Agronomy |
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| Online Access: | https://www.mdpi.com/2073-4395/12/11/2662 |
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| author | Joaquín Montenegro Vitus Ikechukwu Obi Juan Jose Barriuso Yolanda Gogorcena |
| author_facet | Joaquín Montenegro Vitus Ikechukwu Obi Juan Jose Barriuso Yolanda Gogorcena |
| author_sort | Joaquín Montenegro |
| collection | DOAJ |
| description | One of the diseases that has the greatest negative effect on peach production is brown rot, produced by the fungus, <i>Monilinia</i> spp. The way to diminish this disease is the selection of genotypes with a high tolerance to <i>Monilinia</i> spp. while maintaining fruit quality. In this study, the tolerance to <i>Monilinia laxa</i> and agronomic and biochemical characteristics of forty-two hybrids derived from the ‘Andross’ × ‘Calante’ cross were studied under controlled conditions during two consecutive years, and compared with their parents. The assessment of tolerance to brown rot was estimated on inoculated fruit with <i>M. laxa</i>, recording the incidence of brown rot and colonization, lesion diameter and extent of colonization, to establish the severity of incidence and colonization. At harvest, physicochemical traits and antioxidant compounds (vitamin C, total phenolics, flavonoids and relative antioxidant capacity) were determined. We have found inverse relationships between fruit firmness, pH, titratable acidity and antioxidant contents with the disease symptoms in fruit. Our results confirm that the accumulation of antioxidants tends to reduce the lesion and colonization in inoculated fruit. Principal component analysis allowed the selection of two genotypes, AC-24 and AC-93, of ‘Calanda’-type peaches with a known standard quality, high antioxidant content and minimal susceptibility to brown rot. |
| first_indexed | 2024-03-09T19:21:23Z |
| format | Article |
| id | doaj.art-c8bb783ea7814fd78dd81119becb00be |
| institution | Directory Open Access Journal |
| issn | 2073-4395 |
| language | English |
| last_indexed | 2024-03-09T19:21:23Z |
| publishDate | 2022-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Agronomy |
| spelling | doaj.art-c8bb783ea7814fd78dd81119becb00be2023-11-24T03:20:04ZengMDPI AGAgronomy2073-43952022-10-011211266210.3390/agronomy12112662Identification of ‘Calanda’-Type Peach Genotypes Tolerant to <i>Monilinia laxa</i> (Aderh. & Ruhland) HoneyJoaquín Montenegro0Vitus Ikechukwu Obi1Juan Jose Barriuso2Yolanda Gogorcena3Estación Experimental de Aula Dei-CSIC, Avda. de Montañana 1005, 50059 Zaragoza, SpainEstación Experimental de Aula Dei-CSIC, Avda. de Montañana 1005, 50059 Zaragoza, SpainFacultad de Veterinaria, Universidad de Zaragoza, C/Miguel Servet 177, 50013 Zaragoza, SpainEstación Experimental de Aula Dei-CSIC, Avda. de Montañana 1005, 50059 Zaragoza, SpainOne of the diseases that has the greatest negative effect on peach production is brown rot, produced by the fungus, <i>Monilinia</i> spp. The way to diminish this disease is the selection of genotypes with a high tolerance to <i>Monilinia</i> spp. while maintaining fruit quality. In this study, the tolerance to <i>Monilinia laxa</i> and agronomic and biochemical characteristics of forty-two hybrids derived from the ‘Andross’ × ‘Calante’ cross were studied under controlled conditions during two consecutive years, and compared with their parents. The assessment of tolerance to brown rot was estimated on inoculated fruit with <i>M. laxa</i>, recording the incidence of brown rot and colonization, lesion diameter and extent of colonization, to establish the severity of incidence and colonization. At harvest, physicochemical traits and antioxidant compounds (vitamin C, total phenolics, flavonoids and relative antioxidant capacity) were determined. We have found inverse relationships between fruit firmness, pH, titratable acidity and antioxidant contents with the disease symptoms in fruit. Our results confirm that the accumulation of antioxidants tends to reduce the lesion and colonization in inoculated fruit. Principal component analysis allowed the selection of two genotypes, AC-24 and AC-93, of ‘Calanda’-type peaches with a known standard quality, high antioxidant content and minimal susceptibility to brown rot.https://www.mdpi.com/2073-4395/12/11/2662brown rot<i>Prunus persica</i> (L.) Batsch‘Andross’ × ‘Calante’ progenyprotected designation of origin ‘melocotón de Calanda’genetic toleranceantioxidant composition |
| spellingShingle | Joaquín Montenegro Vitus Ikechukwu Obi Juan Jose Barriuso Yolanda Gogorcena Identification of ‘Calanda’-Type Peach Genotypes Tolerant to <i>Monilinia laxa</i> (Aderh. & Ruhland) Honey Agronomy brown rot <i>Prunus persica</i> (L.) Batsch ‘Andross’ × ‘Calante’ progeny protected designation of origin ‘melocotón de Calanda’ genetic tolerance antioxidant composition |
| title | Identification of ‘Calanda’-Type Peach Genotypes Tolerant to <i>Monilinia laxa</i> (Aderh. & Ruhland) Honey |
| title_full | Identification of ‘Calanda’-Type Peach Genotypes Tolerant to <i>Monilinia laxa</i> (Aderh. & Ruhland) Honey |
| title_fullStr | Identification of ‘Calanda’-Type Peach Genotypes Tolerant to <i>Monilinia laxa</i> (Aderh. & Ruhland) Honey |
| title_full_unstemmed | Identification of ‘Calanda’-Type Peach Genotypes Tolerant to <i>Monilinia laxa</i> (Aderh. & Ruhland) Honey |
| title_short | Identification of ‘Calanda’-Type Peach Genotypes Tolerant to <i>Monilinia laxa</i> (Aderh. & Ruhland) Honey |
| title_sort | identification of calanda type peach genotypes tolerant to i monilinia laxa i aderh ruhland honey |
| topic | brown rot <i>Prunus persica</i> (L.) Batsch ‘Andross’ × ‘Calante’ progeny protected designation of origin ‘melocotón de Calanda’ genetic tolerance antioxidant composition |
| url | https://www.mdpi.com/2073-4395/12/11/2662 |
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