揭示了一种疾病复杂的威胁无花果 (Ficus carica L.) 在意大利南部的种植
Wassim Habib1, Mariangela Carlucci2, Vincenzo Cavalieri1,3
1Centro di Ricerca, Formazione e Sperimentazione in Agricoltura-Basile Caramia (CRSFA), Via Cisternino 281, 70010 Locorotondo, Italy.
Plants (Basel, Switzerland)
|September 27, 2025
概括
意大利的无花果树正在减少,原因是复杂的真菌病原体混合物,包括Neofusicoccum algeriense和Neocosmospora perseae.ae. 这些真菌通过土壤和昆虫传播,如树皮甲虫Cryphalus dilutus,导致严重的枯和血管损伤.
科学领域:
- 植物病理学 植物病理学
- 菌类学 菌类学是指菌类学.
- 昆虫学 昆虫学是一门学科.
背景情况:
- 意大利萨伦托半岛的无花果园面临越来越多的来源不明的衰退综合征.
- 以前的研究还没有完全阐明这些无花果衰退疾病的复杂病因.
研究的目的:
- 为了描述影响萨伦托半岛无花果树的复杂疾病爆发.
- 确定涉及的真菌病原体及其流行病学途径.
主要方法:
- 现场调查和从有症状的树木中隔离真菌.
- 分子遗传学用于真菌鉴定.
- 病原性测定和昆虫协会研究.
主要成果:
- 鉴定出一种由Botryosphaeriaceae (Neofusicoccum algeriense,Lasiodiplodia theobromae),Fusarium solani物种复合体 (Neocosmospora perseae) 和Ceratocystis ficicola主导的多样化的真菌组合.
- 确认Neofusicoccum algeriense,Neocosmospora perseae和Ceratocystis ficicola是致病的,它们会导致色和血管损伤.
- 切拉托西斯蒂斯菲奇科拉与树皮甲虫Cryphalus dilutus有关,这表明昆虫介导的传播.
结论:
- 萨伦托的无花果下降是一种多因素疾病,涉及多种病原体.
- 阿尔及利亚的Neofusicoccum algeriense和Neocosmospora perseae是新发现的葡萄的关键病原体.
- 双重的流行病学途径 (土壤/根和昆虫介导) 有助于疾病传播,影响管理策略.
相关概念视频
Epiphytes, Parasites, and Carnivores
16.5K
Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the...
16.5K
Fungal Phylum Basidiomycota
873
Basidiomycota is a diverse phylum of fungi that includes ecologically significant decomposers such as white rot fungi, symbionts like mycorrhizal fungi, plant pathogens such as rusts and smuts, and edible species like Agaricus bisporus (the common button mushroom). These fungi play crucial roles in nutrient cycling, symbiotic relationships, and even human health. Their defining feature is the basidium, a microscopic club-shaped structure responsible for producing basidiospores.Fruiting Bodies...
873
Fruit Development, Structure, and Function
24.9K
Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
24.9K
Fungal Group Zygomycota
1.0K
Zygomycota, previously classified as a distinct fungal group, are primarily terrestrial, saprophytic molds that play a crucial role as decomposers. Recent phylogenetic studies have revealed that these fungi are now divided into two major clades — Mucoromycota, which includes many symbiotic species, and Zoopagomycota, which primarily consists of parasitic and pathogenic fungi. These groups exhibit distinct ecological roles and reproductive strategies while sharing key structural and...
1.0K
Fungal Phylum Ascomycota
1.0K
Phylum Ascomycota, a major division within the subkingdom Dikarya, comprises a diverse range of fungal species, including both unicellular yeasts and filamentous molds such as Aspergillus and Penicillium. These fungi thrive in a variety of habitats, from aquatic ecosystems to terrestrial environments, playing crucial ecological and economic roles.Morphology and ReproductionThe defining characteristic of Ascomycetes, commonly referred to as sac fungi, is the ascus—a sac-like structure that...
1.0K
Seedless Vascular Plants
66.6K
Seedless Vascular Plants Were the First Tall Plants on Earth
66.6K


