Abstract
Arbuscular mycorrhizal fungi(AMF) can promote the absorption of soil water and mineral nutrients, improve photosynthesis, and make host attain higher quality finally by establishing symbiotic relationship between AMF and host root. To improve Tulip gesneriana quality have practical meaning under no bad affect to cultivation soil, in the light of its economical and ecological values. However, some AMF may be diverse from others, the concrete function of AMF on commercial tulip varieties need to explore. Therefore, three different sets of arbuscular mycorrhizal fungi were inoculated into tulip rhizosphere soil, which were set as 4(Diversispora versiformis), 7(Diversispora spurca) and 1 + 3 + 4 (Rhizophagus intraradias + Funneliformis mosseae + Diversispora versiformis), respectively. The results showed that the activity of most of the measured indices increased, the average root diameter and sucrose content decreased in those three mycorrhizal treatments. Our research provide some theoretical basis for the application of AMF on T.gesneriana ecological cultivation in future.
Highlights
Fine root usually refers to the root with diameter less than 2mm, which has a huge absorption surface area
Three different sets of arbuscular mycorrhizal fungi were inoculated into tulip rhizosphere soil, which were set as 4(Diversispora versiformis), 7(Diversispora spurca) and 1 + 3 + 4 (Rhizophagus intraradias + Funneliformis mosseae + Diversispora versiformis), respectively
The results showed that the activity of most of the measured indices increased, the average root diameter and sucrose content decreased in those three mycorrhizal treatments
Summary
Fine root usually refers to the root with diameter less than 2mm, which has a huge absorption surface area. It is an important organ for plants to absorb, transport and store nutrients Arbuscular mycorrhizal fungi (AMF), as a ubiquitous microorganism in soil, promotes the absorption of water and nutrients by plant roots and the growth of plants. AMF colonization further increases the absorption area of fine roots, promotes host growth and development, and promotes the fine roots to play a more important role in plant function, energy flow and material cycle of ecosystem Many researches mainly focus on the effects of soil and climate factors on the growth and death dynamics of plant roots, while few studies on the effects of AMF on plant root turnover are made
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