四个青梅品种幼年树生长结果习性调查

对栽植在红壤丘陵地的大核青、横核、红面珠墩、鹅嗉等四个青梅品种三年生树的生长结果习性调查表明:大核青树冠扩大最快,横核和红面珠墩次之,鹅嗉最慢;短果枝占各类枝梢比率各品种分别为73.9%、70.2%、31.6%、48.5%;不完全花率各为9.3%、10.2%、8.3%和18.7%;每100朵花的花粉重量分别为86.1、84.2、73.8和64.2 mg;第一年结果的单株产量依次为7.25、1.75、0.90、和0.20 kg。

Growing and Bearing Habit of Four Cultivars of Juvenile Prunus mume

The growing and bearing habit of 3-year old trees of four Prenus mume cultivars,i.e.‘Daheqing’ (DHQ),‘Henghe’ (HH),‘Hongmianzhudun’ (HMZD) and ‘ESu’ (ES) are recorded. The crown diameter of ‘DHQ’ is the longest,that of ‘HH’ and ‘HMZD’ are intermediate,and that of ‘ES’ is the shortest.The fruit spurrates are 73.9%,70.2%, 31.6% and 48.5%,and imperfect flower rates are 9.3%,10.2%,8.3% and 18.7%,respectively. The amount of pollen per 100 flowers are 86.1 mg,84.2 mg,73.8 mg and 64.2 mg,and the yield in the first year are 7.25 kg,1.75 kg,90 kg and 0.20 kg per tree,respectively.