FU Mu,LIU Jingjing,GAO Yike,et al.Growth Characteristics of Forbs in Grass-forb Mixture Communities[J].Northern Horticulture,2017,41(04):56-61.[doi:10.11937/bfyy.201704014]
禾草-花卉混播群落中花卉植物生长特性
- Title:
- Growth Characteristics of Forbs in Grass-forb Mixture Communities
- 文献标志码:
- A
- 摘要:
- 将花卉与禾草混播不仅能够丰富群落的景观结构和质感，还能有效地抑制杂草入侵。为研究禾草-花卉混播群落中适用的花卉种类和适合的混播比例，选择22种花卉与2种禾草为试材，按种子质量比设置5个不同梯度的禾草-花卉混播组合，比较不同组合建植群落中花卉的生长特性。结果表明：禾草-花卉混播群落中禾草不影响花卉植物的种类数量，但会抑制花卉植物的萌发率、成活率、植株密度、株高和冠幅的增长，抑制的强度与混播比例呈正相关。花卉与禾草的混播比例应不超过1∶2。为了群落景观的延续性和稳定性，禾草-花卉混播组合中应减少一年生花卉比例，增加多年生花卉比例；一年生花卉应选择萌发早，初期生长速率相对快的种类，多年生花卉应选择幼苗耐阴耐修剪的种类。
- Abstract:
- The grasses could not only enrich the structure and texture of the landscape in flower meadow,but also effectively resist the invasion of weeds.In order to choose the appropriate species of forbs and sowing ratio for grass-forb mixture community,22 kinds of forbs were chosen to be sown with 2 kinds of grass in 5 gradients setting in accordance with the weight ratio.The growth characteristics of forbs in different mixture communities was compared.The results showed that grasses in grass-forb mixture communities would not affect the species′ number of forbs，but it would cause inhibitions on forbs′ germination rate，survival rate，plant density，height and crown growth，which were positively related to the sowing rate.The sowing rate of forbs and grasses should not exceed 1∶2.When establishing a forb-grass mixture community，the proportion of annual forbs needed to be reduced and the proportion of perennial forbs needed to be increased to enhance continuity and stability.The annual forbs which germination early and grow faster in initial period and the perennial forbs which tolerant shading and pruning during their seeding should be chosen.
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备注/Memo
第一作者简介：符木（1992-），男，硕士研究生，研究方向为园林植物应用与园林生态。E-mail：fumuforthy@bjfu.edu.cn.责任作者：高亦珂（1966-），女，博士，教授，现主要从事园林花卉育种和花卉混播等研究工作。E-mail：gaoyk@bjfu.edu.cn.基金项目：北京市教育委员会科学研究与研究生培养共建资助项目（BLCXY201613）。