Effect of indigenous arbuscular mycorrhizal fungi combined with manure on the change in concentration some mineral elements in cotton (<i>Gossypium hirsutum</i> L.)

Ibrahim, Mazen

doi:10.1080/01904167.2017.1384493

Cited by 3 publications

(1 citation statement)

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“…However, few studies have focused on the impact of diverse genotypes on both the plant response to the AMF as well as its mycorrhizal colonization level. Cotton is a mycotrophic plant in which growth and nutrient uptake is usually promoted by mycorrhizal colonization [ 64 ]. Here, we used SEA to appraise the level of mycorrhizal colonization in 17 cotton varieties under greenhouse conditions.…”

Section: Discussionmentioning

confidence: 99%

Improvement of Verticillium Wilt Resistance by Applying Arbuscular Mycorrhizal Fungi to a Cotton Variety with High Symbiotic Efficiency under Field Conditions

Zhang

Gao

Ren

et al. 2018

IJMS

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Arbuscular mycorrhizal fungi (AMF) play an important role in nutrient cycling processes and plant stress resistance. To evaluate the effect of Rhizophagus irregularis CD1 on plant growth promotion (PGP) and Verticillium wilt disease, the symbiotic efficiency of AMF (SEA) was first investigated over a range of 3% to 94% in 17 cotton varieties. The high-SEA subgroup had significant PGP effects in a greenhouse. From these results, the highest-SEA variety of Lumian 1 was selected for a two-year field assay. Consistent with the performance from the greenhouse, the AMF-mediated PGP of Lumian 1 also produced significant results, including an increased plant height, stem diameter, number of petioles, and phosphorus content. Compared with the mock treatment, AMF colonization obviously inhibited the symptom development of Verticillium dahliae and more strongly elevated the expression of pathogenesis-related genes and lignin synthesis-related genes. These results suggest that AMF colonization could lead to the mycorrhiza-induced resistance (MIR) of Lumian 1 to V. dahliae. Interestingly, our results indicated that the AMF endosymbiont could directly inhibit the growth of phytopathogenic fungi including V. dahliae by releasing undefined volatiles. In summary, our results suggest that stronger effects of AMF application result from the high-SEA.

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Section: Discussionmentioning

confidence: 99%