WANG Xiao-jun,YU Feng-zhi,GAO Hong-sheng,et al.Study on the Value of Fertilizer and Feed and Cold Resistance of Four Clovers[J].HEILONGJIANG AGRICULTURAL SCIENCES,2015,(10):137-140.[doi:10.11942/j.issn1002-2767.2015.10.0137]
四种三叶草肥饲价值及耐寒性的比较研究
- Title:
- Study on the Value of Fertilizer and Feed and Cold Resistance of Four Clovers
- 文章编号:
- 1002-2767（2015）10-0137-04
- 分类号:
- S541+.2
- 文献标志码:
- A
- 摘要:
- 为了探明野生三叶草与进口三叶草耐寒差异性，通过田间小区试验，研究了不同三叶草品种的生物学性状、越冬率、返青期等指标。结果表明：野生红三叶较进口红三叶株高矮12.19 cm，地上鲜、干重分别低4.91、1.43 t?hm-2，须根发达，根重高2.09 g，越冬率高33.34%，且早返青10 d，野生白三叶与进口白三叶在生物性状上差异不大，越冬率显著高于进口品种23.34%，各三叶草品种肥饲价值相近，野生三叶草耐寒性均高于同类进口草种。
- Abstract:
- In order to study the differences of wild clover and imported clover on coldresistant,field and pot experiments were carried out to analyze the biological characters and physiological index.The results showed that compared with imported red clover stem length of wild variety was shorter than imported variety by 12.19 cm,the fresh and dry weight above ground were lower by 4.91 and 1.43 t?hm-2 respectively.With well developed fibrous root,the root weight of wild red clover was 2.09 g of which overwintering rate was 33.34% and the date of turning green was 10 days earlier.There was no significantly difference in biological characters between white clover and imported one， overwintering ratio of latter variety was obviously higher than the former one by 23.34%.Fertilizer and feed value were similar among the varieties.The cold resistance of wild clover were both stronger than the imported varieties.
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备注/Memo
收稿日期：2015-08-24
基金项目：公益性行业（农业）科研专项资助项目（201103005）；哈尔滨市科技局创新人才资助项目（2013RFXYJ065）；公益性行业（农业）科研专项资助项目（201303060）
第一作者简介：王晓军（1979-），男，黑龙江省讷河市人，硕士，助理研究员，从事草坪、牧草、绿肥栽培管理研究。E-mail:xiaojun00@163.com。