1. Variety Origin and Tree Characteristics

'Yongguan' yangmei has a strong tree vigor, a tall and round-headed tree crown, thick main branches, strong branching ability, and exhibits vigorous vitality. Its leaves are large, in a light green, oblong shape, which is one of the indicators of its health.

2. Fruit Economic Characteristics (Core Advantage)

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.

Attractive appearance: The fruit is nearly spherical in shape, with a red or purple color. The suture line is light in color, and the stem is raised. The appearance is neat and beautiful.

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. The Most Outstanding Core Competence: Outstanding Disease Resistance

For fruit farmers, the greatest appeal of 'YANGMEI' by Yongguan lies in its extremely strong disease resistance, especially its significant resistance to Yangmei branch dieback disease.

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. Phenological Period and Cultivation Suggestions

The fruit maturity period of 'YANGMEI' is from late June to early July. It can form a good combination with other main varieties. Its strong tree vigor and strong disease resistance make it have wide adaptability potential in the main rambutan production areas, especially it is recommended to be introduced and cultivated in areas with high incidence of dead branch disease.

Conclusion:

'YANGMEI Yongguan' combines large fruit size, high quality, high yield and strong disease resistance. It is a new YANGMEI variety with extremely excellent comprehensive traits. It not only offers consumers a dual experience of taste and vision, but also helps growers reduce risks and increase profits. It is expected to become an important force driving the upgrading and transformation of the rambutan industry.