论文部分内容阅读
‘京暑红’是实生选育的板栗早熟新品种,在北京地区4月中旬萌芽,6月中旬盛花,8月22日左右成熟,果实发育期约75d。总苞呈椭圆形,每苞平均含坚果2.1个,苞皮较薄,刺密,出实率为41.2%。坚果红褐色,果面光滑美观,平均单粒质量8.2g,果肉含水量57.2%,灰分2.0%,脂肪4.5%,蛋白质5.6%,总糖20.4%,淀粉38.2%,氨基酸1.5%。内果皮易剥离,果肉黄色,质地细糯,风味香甜。嫁接后第3年株产可达2.5kg,在北京板栗产区为极早熟类型。适宜密植栽培,株距2～3m,行距3～4m。授粉树配置以‘燕山红栗’、‘燕山早丰’为宜。
’Beijing Shuzhong’ is a new breed of chestnut chestnut that is bred in the field. It germinates in mid-April in Beijing, blooms in mid-June and matures around August 22, with a fruit development period of about 75 days. The total buds are oval, each bud containing 2.1 nuts on average, bracts thin, tight, a real rate of 41.2%. Nuts are reddish-brown in color with a smooth and beautiful fruit surface. The average single grain weight is 8.2 g, the pulp moisture content is 57.2%, the ash content is 2.0%, the fat content is 4.5%, the protein content is 5.6%, the total sugar content is 20.4%, the starch content is 38.2% and the amino acid is 1.5%. Endocarp easy to peel, yellow flesh, fine texture waxy, sweet flavor. The third year after grafting strains up to 2.5kg, chestnut producing areas in Beijing is a very precocious type. Suitable for close planting cultivation, spacing 2 ~ 3m, spacing 3 ~ 4m. Pollinating tree configuration to ’Yanshan Hongliu’, ’Yanshan early Feng’ is appropriate.