Persimmon dieback has been reported in several countries. However, despite multiple reports of this disease, there is very little published information regarding its management and impact on the persimmon industry. In this paper, we review the current knowledge on persimmon dieback, discuss the potential impact of the disease on the persimmon industry and identify knowledge gaps. Persimmon dieback pathogens belong to the Botryosphaeriaceae, Diaporthaceae, Diatrypaceae, Glomerellaceae, Togniniaceae fungal families and the bacterial family, Pseudomonadaceae. Common symptoms of persimmon dieback include blackening and streaking of vascular tissues, twig dieback, and wedge-shaped necrosis typical in woody tissues when cut in transverse cross-section. Infected branches negatively affect the production of fruiting spurs, reducing the capacity to produce fruit, thereby significantly decreasing yield. Severe infection may lead to tree death. It is unknown which organisms are predominantly responsible for the dieback symptoms. Hence, management of the disease may be complex. Most pathogens associated with persimmon dieback have a broad host range and can co-infect persimmon fruits and other economically important crops. Current management options include removing and burning infected parts and disinfecting pruning tools. For -infected trees, mancozeb, pyraclostrobin, prochloraz and metalaxyl-M were used to treat the nursery stock. Persimmon dieback has been reported in 10 out of more than 60 persimmon-growing countries. Absence of disease reports from remaining countries may indicate that dieback of persimmons is absent or simply overlooked. The etiology and epidemiology of persimmon dieback in these other persimmon-growing countries are yet to be elucidated.

中文翻译：

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对柿子产业的威胁：柿子（Diospyros 种）枯萎病的回顾

多个国家都有柿子枯萎病的报道。然而，尽管对该病害有多种报道，但有关其管理及其对柿子产业影响的公开信息却很少。在本文中，我们回顾了目前有关柿子枯萎病的知识，讨论了该疾病对柿子产业的潜在影响并确定了知识差距。柿顶枯病病原体属于Botryosphaeriaceae、Diaporthaceae、Diatrypacae、Glomerellaceae、Togniniaceae真菌科和细菌科Pseudomonadaceae。柿枯死的常见症状包括维管束组织变黑和出现条纹、小枝枯死以及横切面时木本组织中常见的楔形坏死。受感染的枝条会对结果枝的生产产生负面影响，降低结果的能力，从而显着降低产量。严重感染可能导致树木死亡。目前尚不清楚哪些生物体是导致枯萎症状的主要原因。因此，该疾病的治疗可能很复杂。大多数与柿顶枯病相关的病原体具有广泛的宿主范围，可以共同感染柿子果实和其他重要经济作物。当前的管理选项包括移除和焚烧受感染的部分以及对修剪工具进行消毒。对于受感染的树木，使用代森锰锌、唑菌胺酯、咪鲜胺和甲霜灵来处理苗木。 60 多个柿子种植国家中，有 10 个国家报告了柿子枯萎病。其余国家没有疾病报告可能表明柿子枯萎病不存在或只是被忽视。这些其他柿子种植国家的柿子枯萎病的病因和流行病学尚未阐明。