Impact of the extension of black leaf streak disease on banana susceptibility to post-harvest diseases

被引:5
作者
Annie Ewane, Cecile [1 ,5 ]
Chillet, Marc [3 ,6 ]
Castelan, Florence [3 ]
Brostaux, Yves [4 ]
Lassois, Ludivine [1 ]
Essoh Ngando, Josue [5 ]
Hubert, Olivier [7 ]
Chilin-Charles, Yolande [7 ]
Lepoivre, Philippe [1 ]
de Lapeyre de Bellaire, Luc [2 ,5 ]
机构
[1] Univ Liege, Plant Pathol Unit, B-5030 Gembloux, Belgium
[2] CIRAD, Persyst, Res Unit, Banana Plantain & Pineapple Cropping Syst, TAB 26 PS4,Blvd Lironde, F-34398 Montpellier, France
[3] Univ Sao Paulo, Dep Aliment Nutr Exp, Fac Cienc Farm, BR-05508900 Sao Paulo, Brazil
[4] Univ Liege, Appl Stat Comput Sci Math Unit, Gembloux Agrobio Tech, B-5030 Gembloux, Belgium
[5] CARBAP, Afr Cent Res Bananas & Plantains, Phytopathol Unit, Douala, Cameroon
[6] CIRAD, UMR Qualisud, F-34398 Montpellier, France
[7] CIRAD, Stn Neufchateau, F-97130 Capesterre Belle Eau, Guadeloupe, France
关键词
Cameroon; Guadeloupe; Musa; fruits; Mycosphaerella fijiensis; Mycosphaerella musicola; black sigatoka; black leaf streak disease; anthracnoses; crown rots; CROWN-ROT; COLLETOTRICHUM-MUSAE; WOUND ANTHRACNOSE; MYCOSPHAERELLA-MUSICOLA; FRUIT SUSCEPTIBILITY; PHYSIOLOGICAL AGE; BUNCH; INFECTION; ROOTS;
D O I
10.1051/fruits/2013081
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Introduction. The susceptibility of banana fruit to crown rot and anthracnose, the two main banana post-harvest diseases, is influenced by many pre-harvest abiotic factors. Mycosphaerella leaf spot diseases (MLSD) of bananas are biotic pre-harvest factors, which have an influence on fruit physiology. The fruit's susceptibility to post-harvest diseases may also be influenced by foliar diseases caused by M. fijiensis, responsible for black leaf streak disease (BLSD), and M. musicola, which causes sigatoka disease (SD). The aim of our study was to determine the influence of these biotic pre-harvest factors on banana fruit's susceptibility to crown rot and anthracnose. Materials and methods. A disease severity gradient was established in two experimental fields (Cameroon for BLSD and Guadeloupe for SD) where, at the flowering stage, six different levels of MLSD severity were selected. Fruit susceptibility was determined through necrotic surface assessments after artificial inoculation by Colletotrichum musae on the 3rd hand of harvested bunches. Results and discussion. BLSD significantly influenced banana sensitivity to crown rot (P < 0.001) but only had a slight effect on the development of anthracnose (P = 0.041). SD had no effect (P > 0.05) on banana susceptibility to either post-harvest disease. These results are discussed with emphasis on the influence of variations in the source-sink ratio on fruit physiology. The influence of BLSD on crown rot disease suggests the need to take into account the management of these foliar diseases for an alternative control method of post-harvest diseases through integrated pest management programs.
引用
收藏
页码:351 / 365
页数:15
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