毛竹鞭根特征及研究现状
Current Situation of Research on Characteristics of Phyllostachys edulis rhizome
毛竹(Phyllostachys edulis)，作为禾本科刚竹属的重要竹类资源，因其生长速度快、周期短、产量高，在工业、建筑及制药等领域展现出广泛应用价值，成为绿色环保材料的优选。近年来，关于毛竹的研究日益深入，特别是针对其地下鞭根系统的研究，对理解毛竹的生长与更新机制具有重要意义。研究表明，毛竹鞭根是竹笋的主要发生部位，其发育特征显著影响竹林的生长和更新。鞭根通常分布在土层 0～40cm 以内，尤以 10～20cm土层分布最多，适宜的土壤条件和经营措施能够显著促进鞭根的生长和鞭芽的萌发。传统经营模式与带状采伐模式通过调控立竹密度与采伐带宽，优化鞭根结构，增加壮芽数量，从而提升竹笋产量。同时，环境因子如降水量、土壤养分含量及 pH 值对鞭根的生长和鞭芽的萌发也产生显著影响。鞭根的健康生长状态对鞭芽的生理活动和生长速率具有决定性调控作用，不同鞭龄的竹鞭在萌发芽和休眠芽的表现上存在差异，这些研究为竹林科学管理提供了理论依据。未来研究应进一步探讨鞭根生长发育的微观机制及其对侧芽形成的影响机制，为毛竹的高产高效栽培提供更为科学的指导。
Phyllostachys edulis as an important bamboo resource of the gramineous genus,because of its fast growth rate,short cycle and high yield,it has shown wide application value in industry,construction and pharmaceutical fields,and has become the best choice of green environmental protection materials.In recent years,more and more research has been done on Phyllostachys edulis,especially on its underground root system,which is of great significance to understand the growth and regeneration mechanism of Phyllostachys edulis.The results show that whiplash root is the main part of bamboo shoots,and its development characteristics significantly affect the growth and regeneration of bamboo forest.The results show that whiplash root is the main part of bamboo shoots,and its development characteristics significantly affect the growth and regeneration of bamboo forest.Whiplash roots are usually distributed within 0-40cm soil layer,especially in 10-20cm soil layer.Suitable soil conditions and management measures can significantly promote the growth of whiplash roots and the germination of whiplash buds.Traditional management model and strip cutting model can improve bamboo shoot yield by adjusting bamboo density and cutting bandwidth,optimizing whip root structure and increasing the number of strong shoots.At the same time,environmental factors such as precipitation,soil nutrient content and pH value also had significant effects on the growth of whip root and the germination of whip bud.The healthy growth state of whiplash root plays a decisive role in regulating the physiological activity and growth rate of whiplash bud.There are differences in the performance of germination and dormant bud of different whiplash ages.These studies provide theoretical basis for scientific management of bamboo forest.Future studies should further explore the microscopic mechanism of whiplash root growth and development and its influence on lateral bud formation,so as to provide more scientific guidance for high-yield and efficient cultivation of Phyllostachys edulis.
路一帆;官凤英;周潇;张璇;傅大伟;厉振;黎旻恺;
国际竹藤中心 国家林业和草原局/北京市共建竹藤科学与技术重点实验室 中国 北京 100102##江苏宜兴竹林林生态系统国家定位观测研究站 宜兴 214200;国际竹藤中心 国家林业和草原局/北京市共建竹藤科学与技术重点实验室 中国 北京 100102##江苏宜兴竹林林生态系统国家定位观测研究站 宜兴 214200;国际竹藤中心 国家林业和草原局/北京市共建竹藤科学与技术重点实验室 中国 北京 100102##江苏宜兴竹林林生态系统国家定位观测研究站 宜兴 214200;国际竹藤中心 国家林业和草原局/北京市共建竹藤科学与技术重点实验室 中国 北京 100102##江苏宜兴竹林林生态系统国家定位观测研究站 宜兴 214200;国际竹藤中心 国家林业和草原局/北京市共建竹藤科学与技术重点实验室 中国 北京 100102##江苏宜兴竹林林生态系统国家定位观测研究站 宜兴 214200;国际竹藤中心 国家林业和草原局/北京市共建竹藤科学与技术重点实验室 中国 北京 100102##江苏宜兴竹林林生态系统国家定位观测研究站 宜兴 214200;国际竹藤中心 国家林业和草原局/北京市共建竹藤科学与技术重点实验室 中国 北京 100102##江苏宜兴竹林林生态系统国家定位观测研究站 宜兴 214200;
Phyllostachys edulis shoots environmental factor bamboo rhizome growth and developmen
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