NIE Feng-jie,ZHANG Li,LI Miao,et al.Seedling Cultivation and Cultivation Techniques of American Black Walnut Induced into Ningxia[J].Northern Horticulture,2013,37(10):4-6.
宁夏引进美国黑核桃实生苗培育及栽培技术研究
- Title:
- Seedling Cultivation and Cultivation Techniques of American Black Walnut Induced into Ningxia
- 文章编号:
- 1001-0009(2013)10-0004-03
- Keywords:
- American black walnut; seedling; cultivate; Ningxia
- 分类号:
- S 664.1
- 文献标志码:
- A
- 摘要:
- 对宁夏引进的美国黑核桃优良单株种子进行播种育苗试验，调查了出苗时间、出苗率等物候期指标以及生长情况等，并根据美国黑核桃物候期及生物学特性，结合灌水、施肥以及病虫害防治等田间管理技术，跟踪调查了实生苗定植后的生长情况。结果表明：以0～5℃层积70～90d美国黑核桃种子出苗率最高，秋季播种较为适宜；实生苗定植后当年存活率和保存率分别达到82.0%和73.8%，均好于普通核桃，定植当年有抽条现象，第2年抽条减轻，生物量增大，观测无病虫危害发生。
- Abstract:
- The phenological phase index of emergence time recording，rate of emergence and growth condition were tested on sowing nursery of American black walnut superior individual，which were introducted from into Ningxia.Growth situation after planting seedling were surveyed according to phenolofical phase and biological charactristics，combining with field management technology such as irrigation，fertilization and the prevention and controling of plant diseases and insect pests.The results showed that the highest rate of emergence was stratified at 0～5℃ for 70～90days，autumn sowing were relatively appropriate.The rate of survival and preserving were 82.0% and 73.8% after planting seedling，better than ordinary walnut.Plant sprout in the first years，lighten in the second years，biomass increased，no disease and insect damage occurred.
参考文献/References:
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备注/Memo
第一作者简介：聂峰杰(1985-)，女，硕士，研究实习员，现主要从事植物生物技术育种研究工作。E-mail:niefengjie@163.com.
责任作者：宋玉霞(1963-)，女，硕士，研究员，现主要从事植物生物技术育种研究工作。
基金项目：宁夏林业科学技术研究资助项目(宁林研[2010]06)；宁夏科技计划资助项目。
收稿日期：2013-01-17