נגישות
menu      
Advanced Search
Syntax
Search...
Volcani treasures
About
Terms of use
Manage
Community:
אסיף מאגר המחקר החקלאי
Powered by ClearMash Solutions Ltd -
Heart rot of pomegranate, when and how does the pathogen cause the disease?
Year:
2015
Source of publication :
Acta Horticulturae
Authors :
Ezra, David
;
.
Gat, Tami
;
.
Kirshner, Benny
;
.
Shtienberg, Dan
;
.
Volume :
1089
Co-Authors:
Ezra, D., Department of Plant Pathology, ARO, Volcani Center, PO Box 6, Bet Dagan, Israel
Kirshner, B., Department of Plant Pathology, ARO, Volcani Center, PO Box 6, Bet Dagan, Israel
Gat, T., Department of Plant Pathology, ARO, Volcani Center, PO Box 6, Bet Dagan, Israel
Shteinberg, D., Department of Plant Pathology, ARO, Volcani Center, PO Box 6, Bet Dagan, Israel
Kosto, I., Agriculture Extension Service, Ministry of Agriculture, PO Box 30, Bet Dagan, Israel
Facilitators :
From page:
167
To page:
171
(
Total pages:
5
)
Abstract:
Pomegranate (Punica granatum L., Punicaceae) is an ancient plant and fruit, native to central Asia. Since the pomegranate tree is highly adaptive to a wide range of climates and soil conditions, it is grown in many different geographical regions including the Mediterranean basin. Fruit rot also known as "heart rot" or "black heart", is a major pomegranate disease impacting production worldwide. Although black heart is mostly recognized as a postharvest quality problem, the infection begins and may be identified in the orchard. In most cases Alternaria spp. or Aspergillus spp. are reported as the causal of black heart disease of pomegranate. Black heart caused by A. alternata is characterized by black rot of the fruit core beginning at the calyx area while the hard rind retains its healthy appearance. It is assumed that the fungus causing the disease is penetrating the flower causing the disease later in fruit development. The aim of the present study was to identify the causal agent of heart rot in pomegranate in the Israeli orchard and determining the chain of events leading to development of symptoms in the fruit. Fruits of tree cultivars were collected during 2009 to 2011. Collection was performed at different times and stages of development of the fruit. Fungal isolation was performed from fruit parts (pistil, tunnel and loculus). Koch postulates identified A. alternata as the disease causal agent in Israel. Our results suggest the infection of the stigma of an open flower, a growth of the fungus into the loculus were it stays latently until fruit ripe then the development of rot in some fruits.
Note:
Related Files :
Alternaria alternata
Black Heart
Heart rot
Pomegranate
Show More
Related Content
More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
19836
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:31
You may also be interested in
Scientific Publication
Heart rot of pomegranate, when and how does the pathogen cause the disease?
1089
Ezra, D., Department of Plant Pathology, ARO, Volcani Center, PO Box 6, Bet Dagan, Israel
Kirshner, B., Department of Plant Pathology, ARO, Volcani Center, PO Box 6, Bet Dagan, Israel
Gat, T., Department of Plant Pathology, ARO, Volcani Center, PO Box 6, Bet Dagan, Israel
Shteinberg, D., Department of Plant Pathology, ARO, Volcani Center, PO Box 6, Bet Dagan, Israel
Kosto, I., Agriculture Extension Service, Ministry of Agriculture, PO Box 30, Bet Dagan, Israel
Heart rot of pomegranate, when and how does the pathogen cause the disease?
Pomegranate (Punica granatum L., Punicaceae) is an ancient plant and fruit, native to central Asia. Since the pomegranate tree is highly adaptive to a wide range of climates and soil conditions, it is grown in many different geographical regions including the Mediterranean basin. Fruit rot also known as "heart rot" or "black heart", is a major pomegranate disease impacting production worldwide. Although black heart is mostly recognized as a postharvest quality problem, the infection begins and may be identified in the orchard. In most cases Alternaria spp. or Aspergillus spp. are reported as the causal of black heart disease of pomegranate. Black heart caused by A. alternata is characterized by black rot of the fruit core beginning at the calyx area while the hard rind retains its healthy appearance. It is assumed that the fungus causing the disease is penetrating the flower causing the disease later in fruit development. The aim of the present study was to identify the causal agent of heart rot in pomegranate in the Israeli orchard and determining the chain of events leading to development of symptoms in the fruit. Fruits of tree cultivars were collected during 2009 to 2011. Collection was performed at different times and stages of development of the fruit. Fungal isolation was performed from fruit parts (pistil, tunnel and loculus). Koch postulates identified A. alternata as the disease causal agent in Israel. Our results suggest the infection of the stigma of an open flower, a growth of the fungus into the loculus were it stays latently until fruit ripe then the development of rot in some fruits.
Scientific Publication
You may also be interested in