ZHONG Rong,ZHONG Yang,WU Li-jun,et al.Study on Dry Matter Accumulation and Selenium’s Uptake andDistribution and Accumulation of Garlic[J].Northern Horticulture,2012,36(23):30-32.
大蒜干物质积累与硒的吸收和分配及累积特性研究
- Title:
- Study on Dry Matter Accumulation and Selenium’s Uptake andDistribution and Accumulation of Garlic
- 文章编号:
- 1001-0009(2012)23-0030-03
- Keywords:
- garlic; dry matter; selenium; uptake and distribution; accumulation
- 分类号:
- S 633.4
- 文献标志码:
- B
- 摘要:
- 采用田间小区试验，研究了大蒜干物质积累与硒吸收、分配及累积特性规律。结果表明：大蒜从幼苗期到鳞芽花芽分化期干物质累积量随植株生长发育呈快速增长趋势，在鳞芽花芽分化期达到高峰时干物质积累量为15 022.50 kg/hm2，后期趋于平衡；大蒜不同器官硒含量在不同生育期均表现为鳞芽花芽分化期>鳞茎膨大期>蒜薹伸长期>幼苗期，大蒜在鳞芽花芽分化期硒累积量骤增，累积量占总硒累积量的57.82％，说明这一段时期是大蒜吸收硒的关键时期；鳞茎膨大期大蒜各器官硒含量积累量大小为鳞茎>茎>叶>根。
- Abstract:
- Field plot experiment were used to study the regulation of dry matter accumulation，the characteristics of selenium’s distribution，absorption，and accumulation in garlic.The results showed that dry matter accumulation quantity of garlic was increased with the increasing of the plant growth from seedling stage to flower bud differentiation period，the peak was 15 022.50 kg/hm2，and then in equilibrium；the size of selenium content at different periods was flower bud differentiation period>bulb inflation period>garlic bolt elongation phase>seedling stage；selenium content and accumulation quantity of garlic increased significantly in flower bud differentiation period，and the amount of cumulativing to total selenium accumulation was 57.82%，all of that showed that flower bud differentiation period was the key period of garlic absorping selenium；the size of selenium accumulation and content at bulb inflation period in difficent organs was bulbs>stem>leaf>root in garlic.
参考文献/References:
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备注/Memo
第一作者简介：张荣（1973-），女，宁夏固原人，本科，副研究员，现主要从事植物营养研究工作。E-mail：zhro2004038@sohu.com.