[1]王小华,郭晓霄.根外追肥对紫叶锦带叶内渗透物质和MDA含量的影响[J].江苏林业科技,2019,46(05):32-35.[doi:10.3969/j.issn.1001-7380.2019.05.006]
　Wang Xiaohua,Guo Xiaoxiao.Effects of topdressing on the contents of osmotic substances andMDA in Weigela Florida ‘Foliia purpureis’[J].Journal of Jiangsu Forestry Science &Technology,2019,46(05):32-35.[doi:10.3969/j.issn.1001-7380.2019.05.006]
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根外追肥对紫叶锦带叶内渗透物质和MDA含量的影响()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第46卷
期数:
2019年05期
页码:
32-35
栏目:
试验研究
出版日期:
2019-10-31

文章信息/Info

Title:
Effects of topdressing on the contents of osmotic substances andMDA in Weigela Florida ‘Foliia purpureis’
文章编号:
1001-7380（2019）05-0032-04
作者:
王小华; 郭晓霄
山西省林木育种研究中心，山西太原030031
Author(s):
Wang Xiaohua; Guo Xiaoxiao
Shanxi Forest Breeding Research Center, Taiyuan 030031,China
关键词:
根外追肥; 紫叶锦带; 渗透物质; MDA
Keywords:
Foliage topdressing;  Weigela Florida ‘Foliia purpureis’;  Osmotic substance;  MDA
分类号:
Q945.15;Q946.1;Q946.3;Q949.781.2
DOI:
10.3969/j.issn.1001-7380.2019.05.006
文献标志码:
A
摘要:
为解决紫叶锦带生长过程中长势减弱、抗逆性降低问题，采取根外追肥的方式为其提供营养，以期为其根外追肥中科学选用肥料提供理论依据。以4年生紫叶锦带苗木为试验材料，设置尿素（CK）、尿素+过磷酸钙（NP）、尿素+硫酸钾（NK）、尿素+磷酸二氢钾（NPK）4个处理，3次重复。结果表明：4—8月,NPK处理使紫叶锦带叶内可溶性糖含量分别比对照提高了69.33%，60.74%，70.06%，61.81%，64.85%；游离脯氨酸分别提高了43.32%，49.82%，51.78%，32.71%，42.82%；可溶性蛋白分别提高了41.74%，91.10%，72.19%，52.23%，46.06%；MDA含量分别降低了31.59%，3857%，30.56%，21.93%，30.27%。综合分析认为，紫叶锦带根外追肥选用尿素+磷酸二氢钾组合为宜。
Abstract:
In order to solve the problems of growth vigor weakening, stress resistance decreasing during the growth of Weigela Florida ‘Foliia purpureis’, topdressing test was taken to provide nutrition, and further to provide a theoretical basis for the scientific selection fertilizer in foliage topdressing. Four-year-old seedlings of W. Florida ‘Foliia purpureis’ were used, and 4 treatments were designed, that was, urea (control, CK), urea + superphosphate (NP),urea + potassium sulfate (NK), and urea + potassium dihydrogen phosphate (NPK), each repeating 3 times. The results showed that from April to August, the soluble sugar contents of the NPK treatment was 69.33%,60.74%, 70.06%, 61.81%, 64.85% higher than that of CK, the free proline contents were 43.32%,49.82%,51.78%,32.71%,42.82% higher than that of CK, the soluble protein contents were 41.74%, 91.10%,72.19%,52.23%,46.06% higher than that of CK, but MDA contents were 31.59%,38.57%, 30.56%, 21.93%, 30.27% lower than that of CK. Comprehensive analysis showd that the treatment as urea + potassium dihydrogen phosphate should be selected as topdressing fertilizer way for W. Florida‘Foliia purpureis’.

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备注/Memo

备注/Memo:
收稿日期：2019-08-24;修回日期：2019-09-15
作者简介：王小华（1978-），女，山西文水人，工程师，大学本科毕业。研究方向：林木栽培。
更新日期/Last Update: 2019-12-13