| 何淑玲，马令法，杨敬军，常毓巍，王改花.青稞根系水提液对独一味种子化感作用的研究[J].广东农业科学,2017,44(8):14-19 |
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青稞根系水提液对独一味种子化感作用的研究 |
| Allelopathy of leachate of barley roots in water to seed of Lamiophlomis rotate |
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| DOI：10.16768/j.issn.1004-874X.2017.08.003 |
| 中文关键词: 浸出液 青稞根系 化感作用 独一味 |
| 英文关键词: leachate barley roots allelopathy Lamiophlomis rotate |
| 基金项目:甘肃省自然科学基金（1506RJZP001） |
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| 摘要点击次数: 1945 |
| 全文下载次数: 937 |
| 中文摘要: |
| 以独一味种子为试验材料，采用随机区组法，研究不同浸提时间的青稞根系水提液对独一味种
子萌发的影响，为独一味与禾本科植物的轮作种植提供理论依据。研究结果表明：青稞根系水提液不同浸
提时间对独一味种子萌发的影响不同，表现为随着浸出液浸提时间的延长，独一味种子萌发开始时间、发
芽率、发芽势、胚芽长度以及变异系数等都基本趋向于先促进后抑制的规律性变化。其中用青稞根系水提
液浸提1.5 h 的种子的萌发率最高、为36.67%，比CK 提高了11.34 个百分点，而且该处理的变异系数变化
值较小，表现最为稳定，萌发开始时间比CK 缩短了1.67 d。而浸提2.5 h 的种子萌发率分最低为18.67%，
比CK 降低了6.66 个百分点，且胚芽长度也较CK 短8.60 mm，表现为抑制作用。因此，用青稞根系水提液
不同浸提时间处理独一味种子时，浸提1.5 h 时最有利于独一味种子的萌发。 |
| 英文摘要: |
| The seeds of Lamiophlomis rotate were used as experimental materials to study the allelopathy
of leachate of barley roots with various soaking time to the L. rotate at 20℃，which would provide a scientific
theoretical basis for crop rotation between L. rotate and graminaceous plants. The results show that different soaking
time of L. rotate seeds have different affect on germination，the start time of germination，germination vigor，rate of
germination，length of plumule and coefficient of variation of L. rotate seeds basically tend to the regular of inhibiting
the growth after promoting with the increase of soaking time. When being soaked for 0.5 h of leachate，the germination
rate of L. rotate seeds is 24.67%，which is approximate to that of CK. When barley roots are soaked for 1 h，the
germination rate ranks to 31.33%. When barley roots are soaked for 1.5 h，the germination rate is 36.67%，which
is the relative highest value，and the coefficient of variation is being most stable and minimum with this treatment，
which is shortened with 1.67 day than CK. For being soaked for 2 h and 2.5 h，the germination rate is 26.00% and
18.67%，respectively，which is 6.76% lower than that of CK，and also the length of plumule is shorter than that
of CK，all of these indicate the depressant effect. Consequently，when the L. rotate seeds are disposed by different
soaking time of leachate of barley roots，the most suitable time for L. rotate seeds germinationis 1.5 h. |
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