Details

Autor(en) / Beteiligte

• Jiang, Xia
• Chen, Wei-li
• Xu, Chun-xiang
• Zhu, Hong-hui
• Yao, Qing

Titel

Influences of arbuscular mycorrhizal fungus and phosphorus level on the lateral root formation of tomato seedlings

Ist Teil von

• Ying yong sheng tai xue bao, 2015-04, Vol.26 (4), p.1186-1192

Ort / Verlag

China

Erscheinungsjahr

2015

Quelle

EZB-FREE-00999 freely available EZB journals

Beschreibungen/Notizen

• To explore the influences of arbuscular mycorrhizal fungi (AMF) and P level on plant root system architecture, tomato seedlings were inoculated with AMF strain Rhizophagus irregularis BGC JX04B under two P levels, and the influences of AMF and P level on lateral root (LR) formation of tomato seedlings were studied. Results indicated that the promoting effect of AMF on plant biomass was not evident, but significantly decreased the root to shoot ratio of plants. AMF significantly increased the primary root length but decreased the 1st order LR length and interacted with the mycorrhizal colonization period. AMF significantly lowered the 2nd-3rd order LR number and the ratio of 2nd order LR number to 1st order LR number, but did not significantly affect the 1st-2nd order LR density. High P level (50 mg x kg(-1) P) significantly promoted the plant growth and decreased the root to shoot ratio of plants. It had no significant effect on the primary root length and the 1st order root length, but significantly enhanced