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Internal Mold Caused in Sweet Pepper by Alternaria alternata: Fungal Ingress
Year:
1983
Source of publication :
Phytopathology
Authors :
Meiri, Aliza
;
.
Rylski, Irena
;
.
Volume :
73
Co-Authors:
Facilitators :
From page:
67
To page:
70
(
Total pages:
4
)
Abstract:

The ingress of the fungus Alternaria alternata, which causes internal mold of ripe red pepper fruit without external signs of infection, was investigated. Information obtained in field surveys and inoculation experiments suggested that the fungus entered the developing fruit at the flowering stage via the stigma and the style. The fungus developed compact masses of mycelia and spores on seeds when the fruit was biologically mature. Infection by the parasite, damaged flower and young fruit tissues causing necrosis on the blossom end, on the seed, and placenta tissue. Hyperplasia of seed and placenta tissues was also observed. Fungal infection induced flower drop in greenhouse experiments. Disease incidence was affected by the age of the flower at the time of infection. The mode of ingress of A. alternata and the type of damage it causes to pepper fruit tissue under local conditions in Israel are unlike those reported by investigators in other countries.

Note:
Related Files :
Alternaria
Capsicum annuum (sweet pepper)
fungi
Pepper
seeds
Show More
Related Content
More details
DOI :
10.1094/Phyto-73-67
Article number:
0
Affiliations:
Database:
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
67956
Last updated date:
06/02/2024 07:46
Creation date:
06/02/2024 07:43
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Scientific Publication
Internal Mold Caused in Sweet Pepper by Alternaria alternata: Fungal Ingress
73
Internal Mold Caused in Sweet Pepper by Alternaria alternata: Fungal Ingress

The ingress of the fungus Alternaria alternata, which causes internal mold of ripe red pepper fruit without external signs of infection, was investigated. Information obtained in field surveys and inoculation experiments suggested that the fungus entered the developing fruit at the flowering stage via the stigma and the style. The fungus developed compact masses of mycelia and spores on seeds when the fruit was biologically mature. Infection by the parasite, damaged flower and young fruit tissues causing necrosis on the blossom end, on the seed, and placenta tissue. Hyperplasia of seed and placenta tissues was also observed. Fungal infection induced flower drop in greenhouse experiments. Disease incidence was affected by the age of the flower at the time of infection. The mode of ingress of A. alternata and the type of damage it causes to pepper fruit tissue under local conditions in Israel are unlike those reported by investigators in other countries.

Scientific Publication
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