由山东乳山海贤苗木基地选育的新优品种——海贤一号,经省市果树专家考察论证,综合性状明显优于同类品种,达国际先进水平。该品种是所有板栗品种中成熟最早的一个品种,耐寒耐旱,高产稳产,可在9月5～6日成熟,比处暑红成熟要早一个星期左右,大粒型,平均单果重20克,果皮红棕色,光亮,果肉黄色,质地细糯,香甜,含水45.73%,糖25.10%,淀粉50.80%,极耐储藏。 Haixian No.1, a new elite breed bred by Shandong Rushan Haixian seedling base, was evaluated by fruit trees experts in provincial and municipal levels. The comprehensive traits were obviously superior to those of the same breed and reached the international advanced level. The variety is the earliest of all varieties of chestnut varieties mature, cold and drought, high and stable yield, May 5 to 6 matures, summer red maturity earlier than a week or so, large grain size, the average weight of 20 grams, peel Reddish brown, bright, flesh yellow, fine texture waxy, sweet, water 45.73%, sugar 25.10%, starch 50.80%, very resistant to storage.