I. Taishan Early Summer Apple
Origin: This variety was developed through seed selection. It was first selected from apple seedlings at Shandong Agricultural University in 1994.
Characteristics: The fruit is cone-shaped with a high crown end, giving it a fruit shape index of 0.93. On average, each fruit weighs 138.6 grams, which is 48 grams heavier than the control variety, Liao Fu. The skin is smooth, pale yellow with a red blush, and has a bright red color. The flesh is white, with 12.8% soluble solids, which is 2.8 percentage points higher than the control. The sugar-to-acid ratio is 21.2, offering a balanced sweet and sour flavor with a pleasant aroma. The fruit development period lasts between 70 to 75 days, and it matures around June 25 in the Taian area, about 2 to 3 days later than the control varieties.
II. Number 3
Origin: This variety was developed from a bud mutation of the common Gala apple. It was bred by the Yantai Fruit Tree Work Station in 1997.
Characteristics: The fruit is oval-shaped, with a fruit shape index ranging from 0.85 to 0.87. It is medium-sized, with an average single fruit weight of 180 to 210 grams. The surface is clean and uniformly colored, with a strong red hue—51% of the fruits are fully red. The coloring index reaches 82.1%, which is approximately 30% higher than that of the control variety, Royal Gala. The flesh is milky white, crisp, and juicy, with a firmness of 6.70 kg/cm². It contains 12.2% soluble solids, and its flavor quality surpasses that of the control variety. The fruit development period takes between 110 to 120 days, and it matures from late August to early September in the Yantai area.
Overall, both varieties show promising characteristics for commercial cultivation, with unique traits that make them suitable for different growing conditions and market demands.
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