Table4ComparisonoffruitcharactersbetweenKuijinandcontrol
品种Cultivar
|
果型Fruit shape
|
平均单质量Average fruit mass/g
|
最大单果质量
Biggest fruit mass/g
|
可溶性固形物含量
Soluble solids content/%
|
硬度
Hardness/Kg·cm
|
魁金Kuijin
|
近圆形
Approach globose
|
89.1
|
106.7
|
12~14
|
4.28
|
金太阳Jintaiyang
|
长卵圆形
Long oval
|
67.8
|
102.4
|
12.1
|
6.04
|
3栽培技术要点
3.1栽植
建园避开低洼地势,株行距1.5~2.0m×4.0m,南北行向,苗木不可栽植过深。魁金杏可自花结实,单一品种园片也可连年丰产,为提高品质建议配置授粉树,以花粉量较大的金太阳、凯特杏为宜。
3.2肥水管理
为提早结果,栽植前施足底肥,将有机肥混匀腐熟后填入坑内。此后每年秋施基肥,基肥以厩肥、堆肥、人粪尿为主,混施速效氮素化肥。盛果期的大树施厩肥50kg/株或鸡粪10~15kg/株。追肥以速效性无机肥为主,一般追肥2~3次,适时浇水。
3.3合理修剪
树形采用多主枝开心形。幼树期长势旺,枝条直立,修剪以短截为主,以促进分枝扩大树冠。注意开张主枝角度,选留和培养好的主侧枝,尽量多留辅养枝,以提前积累养分,提早结果。冬剪时,对主侧枝中央领导干进行短截,一般剪留50cm。夏季对新梢摘心刺激萌发2次枝,使树冠早成形。对新梢采用扭枝、拉枝的方式,促进幼树早结果。初果期杏仍保持较强的生长势,枝条生长量较大,该期修剪在保持好树形的基础上,不断扩大树冠,培养尽可能多的结果枝组,以冬剪和夏剪相结合为好。冬剪疏除背上直立竞争枝、密生枝、交叉枝,短截非骨干枝和交叉枝,保其分枝,培养为结果枝组,夏剪疏除背上过密枝和部分徒长枝。
参考文献
1 LIU Zhen-yan,LI Zhen-san.Shandong pomology[M].Shanghai:Shanghai Science and Technology Press,2000.
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