1. 品种来源及树木特性

'永冠'杨梅树势强健，树冠高大圆整，主枝粗壮，分枝能力强，表现出旺盛的生命力。其叶片大，呈浅绿色，长椭圆形，是其健康的指标之一。

2. 水果经济特征（核心优势）

This is the most notable aspect of 'YANGMEI' Yongguan. The quality of its fruits is truly outstanding.

Large fruit size: The average weight of a single fruit is 30.9 grams, and the largest can reach 53 grams, far exceeding that of ordinary YANGMEI. The quality is excellent.

吸引人的外观：水果呈近乎球形，颜色为红色或紫色。缝合线颜色较浅，果梗突出。外观整洁美观。

Rich in flavor: The flesh is red-purple in color, the stalks are thick and the juice is abundant. The taste is sweet and sour, with a rich flavor. After testing, its edible rate is as high as 95.2%, and the soluble solids content is 12.6%, making it of excellent quality.

Kernel thick flesh: The oval-shaped kernel is smaller, further increasing the proportion of the edible part.

3. 最杰出的核心竞争力：卓越的抗病能力

对于水果农民来说，永冠的“杨梅”最大的吸引力在于其极强的抗病能力，尤其是对杨梅枝枯病的显著抗性。

The article points out that during a ten-year observation of mixed planting in multiple locations, the main cultivated varieties such as 'Dongkui' and 'Bichi' have all been infected by diseases to varying degrees in the susceptible areas, while 'Yongguan' Yangmei has not shown any sign of infection by the branch dieback fungus to date. This characteristic significantly reduces the pesticide input and management costs during the planting process, aligning with the development direction of green and healthy modern agriculture.

4. 物候期与栽培建议

'YANGMEI'的果实成熟期为6月底至7月初。它可以与其他主要品种形成良好的组合。其强大的树势和强大的抗病能力使其在主要的红毛丹生产区域具有广泛的适应潜力，特别推荐在死枝病高发地区引进和栽培。

Conclusion:

'YANGMEI Yongguan'结合了大果型、高品质、高产量和强抗病性。它是一种具有极其优良综合特性的新品种YANGMEI。它不仅为消费者提供了味觉和视觉的双重体验，还帮助种植者降低风险、增加利润。预计将成为推动红毛丹产业升级和转型的重要力量。