关键词: 核桃, 红色种皮, 避晚霜, 抗病, 耐寒, 品种

Abstract:

‘Jinghong 1’is a new cultivar of red seed coat walnut introduced from the United States，which has the characteristics of late fruiting，avoiding late frost，disease and cold resistance. Nuts are of medium size，oval in shape，with a relatively smooth nutshell surface. The average weight of a single nut is 11.0 g，the average nutshell thickness is 1.40 mm，and the kernel yield is 50.8%. It is easily to take out the whole or half kernel from shell with red seed coat. The crude fat and protein content are 63.4% and 21.7%，respectively. It has a fragrant flavor and excellent nut quality. The fruit matures from late September to early October，with an average yield of 4.2 kg per plant during the full fruiting period. This cultivar has strong adaptability and could be cultivated in Beijing and ecologically similar areas in northern China.

Key words: walnut, red seed coat, avoiding late frost, disease resistant, cold resistant, cultivar