关键词: 核桃, 抗病, 品种

Abstract: ‘Lukang 9’is a new walnut cultivar selected from the seedlings of‘Tulare’. Its paternal parent is ominous. It is has strong dryness,round and green fruit. It bears a large number of fruits,and mostly double fruits. The green fruit is of medium size. The nut was round. The shell surface was relatively smooth with shallow longitudinal lines. with an average nut weight of 14.9 g,shell thickness of 1.2 mm,kernel emergence rate of 53.4%,The kernel was plump and endopleura was yellow. The kernel had a strong aroma and was not astringent. The average yield was 2 640 kg · hm^-2 during the peak fruiting period. It sprouts later and is resistant to late frost. In the Tai 'an area of Shandong Province,it sprouts in early April,and the female flowers reach their peak in the middle and late April,with the male type taking the lead. It can avoid late frost and has strong resistance to walnut anthracnose,and can tolerate drought and poor soil. It is suitable for cultivation in walnut growing areas in the north.

Key words: walnut, disease resistance, cultivar