Di Marco Stefano, Osti Fabio
Istituto di Biometeorologia, Consiglio Nazionale delle Ricerche, Via P. Gobetti, 101, 40129 Bologna, Italy.
Plant Dis. 2008 Aug;92(8):1150-1157. doi: 10.1094/PDIS-92-8-1150.
Kiwifruit vines (Actinidia deliciosa var. deliciosa) have recently been affected by a new form of decay caused by several fungi that produce different types of wood deterioration in the trunk and cordons. Surveys were conducted over a period of 5 years to investigate epidemiological aspects of the disease in a typical Italian growing area (Emilia-Romagna), where kiwifruit is widely cultivated and where the disease was noted for the first time. The disease was widespread over the kiwifruit growing area surveyed, and its incidence increased over the course of the survey. No relationship was found between vineyard soil characteristics or management methods and the annual incidence of symptomatic vines. Foliar symptoms did not consistently express every season even on obviously infected vines. The time of appearance and the development of the disease were correlated with plant phenology and temperature. In particular, from June to August, temperature seemed to affect the annual incidence of the disease in terms of both symptomatic shoots and symptomatic vines. The aspects in common between the decay of kiwifruit and esca of grapevine could be hypothesized and are discussed.
猕猴桃藤蔓（美味猕猴桃美味变种）最近受到一种新型腐烂病的影响，这种病由几种真菌引起，会在树干和主蔓中导致不同类型的木质部腐烂。在一个典型的意大利种植区（艾米利亚 - 罗马涅）进行了为期5年的调查，以研究该病的流行病学特征，该地区广泛种植猕猴桃且首次发现了这种疾病。在所调查的猕猴桃种植区，该病广泛传播，且在调查过程中发病率有所上升。未发现葡萄园土壤特性或管理方法与有症状藤蔓的年发病率之间存在关联。即使在明显感染的藤蔓上，叶片症状也并非每个季节都持续出现。该病的出现时间和发展与植物物候和温度相关。特别是在6月至8月期间，温度似乎在有症状的新梢和有症状的藤蔓方面都影响了该病的年发病率。可以推测并讨论猕猴桃腐烂病与葡萄藤埃斯卡病之间的共同之处。
