Volume 42 Issue 1
Mar.  2023
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WU Yi-yuan, DONG Wen-yuan, PU Chan, ZHONG Huan, XIA Li, YUAN Ling-ling, CHEN Xin. Anatomical Characteristics and Adaptive Plasticity of Qiongzhuea tumidinoda Rhizome under Different Soil Moisture and Nutrients Conditions[J]. JOURNAL OF BAMBOO RESEARCH, 2023, 42(1): 1-10. doi: 10.12390/jbr2022080
Citation: WU Yi-yuan, DONG Wen-yuan, PU Chan, ZHONG Huan, XIA Li, YUAN Ling-ling, CHEN Xin. Anatomical Characteristics and Adaptive Plasticity of Qiongzhuea tumidinoda Rhizome under Different Soil Moisture and Nutrients Conditions[J]. JOURNAL OF BAMBOO RESEARCH, 2023, 42(1): 1-10. doi: 10.12390/jbr2022080

Anatomical Characteristics and Adaptive Plasticity of Qiongzhuea tumidinoda Rhizome under Different Soil Moisture and Nutrients Conditions

doi: 10.12390/jbr2022080
  • Received Date: 2022-06-23
  • 【Objective】This paper aims to explore the anatomical characteristics of natural Qiongzhuea tumidinoda rhizome under different soil water and nutrient conditions, and to compare the adaptive strategies of Q. tumidinoda rhizome in different habitats.【Method】The relationship among the anatomical structure characteristics of Q. tumidinoda rhizome, soil nutrient and water in three soil depths (0-40 cm, 0-80 cm and 0-120 cm) was analyzed by using redundancy analysis and Monte Carlo test.【Result】(1) With the increase of soil water and nutrient content, the proportion of fibrous tissue, conducting tissue and vascular bundle density decreased significantly (P<0.05); However, the basic tissue ratio, vascular bundle length, width and aspect ratio of Q. tumidinoda rhizome showed an obvious increasing trend (P<0.05). (2) Among the three soil thickness habitats, the variation coefficient and plasticity index of Q. tumidinoda rhizome including tissue ratio, vascular bundle and fiber size in thin soil layer habitat were the largest. (3) Soil moisture and nutrient factors had significant effects on the anatomical structure of bamboo rhizome (P<0.05). The importance of a single soil factor on the anatomical structure of Q. tumidinoda rhizome was in following order: soil water content > available K > organic matter > total K > available P > total P > hydrolyzed N > total N > pH. The difference of soil moisture and nutrient content was the fundamental reason affecting the anatomical structure plasticity of Q. tumidinoda.【Conclusion】Soil moisture, K and organic matter content had important effects on the formation of bamboo rhizome. Q. tumidinoda can adapt to the restriction of soil factors by regulating the anatomical structure and plasticity of bamboo rhizome. Therefore, in production, the growth and development of bamboo rhizome can be promoted by regulating soil moisture content, addition of K and organic fertilizer.
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