Rhizospheric fungal community structure of a<i>Bt</i>brinjal and a near isogenic variety

Singh, Avtar; Singh, Major; Dubey, Suresh Kumar

doi:10.1111/jam.12549

Cited by 21 publications

(19 citation statements)

References 69 publications

(89 reference statements)

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“…cotton, maize and rice, etc.) also had no significant effect on the richness and diversity of microbial communities in soil compared to near-isogenic cultivar using the Biolog system (Shen et al 2006), DGGE (Na et al 2011), next generation sequence (Barriuso et al 2012) and RFLP (Singh et al 2014), but the significant changes in the microbial community were detected in soil during the growing season (Hannula et al 2012). …”

Section: Resultsmentioning

confidence: 98%

Dynamics of microbial population size in rhizosphere soil of Monsanto's Cry1Ac cotton

Zhang¹,

Xie²,

Peng³

et al. 2016

PLANT SOIL ENVIRON

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Section: Resultsmentioning

confidence: 98%

Dynamics of microbial population size in rhizosphere soil of Monsanto's Cry1Ac cotton

Zhang¹,

Xie²,

Peng³

et al. 2016

PLANT SOIL ENVIRON

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“…Microbial diversity in soil is an important factor that determines soil health and is considered one of the main contributors to soil suppressiveness (28,42). The rhizosphere is one of the most complex environments; rhizospheres are influenced by plant roots and are an active microhabitat where plant roots and microbes interact (28,(43)(44). Throughout the heading and filling stages of wheat, the fungi in the rhizosphere soil showed high diversity.…”

Section: Discussionmentioning

confidence: 99%

The Influence of Rhizosphere Soil Fungal Diversity and Complex Community Structure to Wheat Root Rot Disease

Zhang

Wang

Ash

et al. 2020

Preprint

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Background: Wheat root rot disease due to soil-borne fungal pathogens leads to tremendous yield losses worth billions of dollars worldwide every year. It is very important to study the relationship between rhizosphere soil fungal diversity and wheat roots to understand the occurrence and development of wheat root rot disease. Results: A significant difference in fungal diversity was observed in the rhizosphere soil of healthy and diseased wheat roots in the heading stage, but the trend was the opposite in the filling stage. The abundance of most genera with high richness decreased significantly from the heading to the filling stage in the diseased groups; the richness of approximately one-third of all genera remained unchanged, and only a few low-richness genera, such as Fusarium and Ceratobasidium, had a very significant increase from the heading to the filling stage. In the healthy groups, the abundance of most genera increased significantly from the heading to the filling stage; the abundance of some genera did not change markedly, or the abundance of very few genera increased significantly. Physical and chemical soil indicators showed that low soil pH and density, increases in ammonium nitrogen, nitrate nitrogen and total nitrogen contributed to the occurrence of wheat root rot disease. Conclusions: Our results revealed that in the early stages of disease, highly diverse rhizosphere soil fungi and a complex community structure can easily cause wheat root rot disease. The existence of pathogenic fungi is a necessary condition for wheat root rot disease, but the richness of pathogenic fungi is not necessarily important. The increases in ammonium nitrogen, nitrate nitrogen and total nitrogen contributed to the occurrence of wheat root rot disease. Low soil pH and soil density are beneficial to the occurrence of wheat root rot disease. Keywords: Rhizosphere soil, Fungal diversity, Community structure, Wheat root rot disease

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Section: Discussionmentioning

confidence: 99%

The Influence of Rhizosphere Fungal Diversity and Complex Community Structure to Wheat Root Rot Disease

Zhang¹,

Wang²,

Ash³

et al. 2019

Preprint

View full text Add to dashboard Cite

Background: Wheat root rot disease due to soil-borne fungal pathogens leads to tremendous yield losses worth billions of dollars worldwide every year. It is very important to study the relationship between rhizosphere fungal diversity and wheat roots to understand the occurrence and development of wheat root rot disease. Results: A significant difference in fungal diversity was observed between the diseased and healthy groups in the heading stage, but the trend was the opposite in the filling stage. The abundance of most genera with high richness decreased significantly from the heading to the filling stage in the diseased groups; the richness of approximately one-third of all genera remained unchanged, and only a few low-richness genera, such as Fusarium and Ceratobasidium, had a very significant increase from the heading to the filling stage. In the healthy groups, the abundance of most genera increased significantly from the heading to the filling stage; the abundance of some genera did not change markedly, or the abundance of very few genera increased significantly. Physical and chemical soil indicators showed that low soil pH and density, increases in ammonium nitrogen, nitrate nitrogen and total nitrogen contributed to the occurrence of wheat root rot disease. Conclusions: Our results revealed that in the early stages of disease, highly diverse rhizosphere fungi and a complex community structure can easily cause wheat root rot disease. The existence of pathogenic fungi is a necessary condition for wheat root rot disease, but the richness of pathogenic fungi is not necessarily important. The increases in ammonium nitrogen, nitrate nitrogen and total nitrogen contributed to the occurrence of wheat root rot disease. Low soil pH and soil density are beneficial to the occurrence of wheat root rot disease.

show abstract

Rhizospheric fungal community structure of aBtbrinjal and a near isogenic variety

Cited by 21 publications

References 69 publications

Dynamics of microbial population size in rhizosphere soil of Monsanto's Cry1Ac cotton

Dynamics of microbial population size in rhizosphere soil of Monsanto's Cry1Ac cotton

The Influence of Rhizosphere Soil Fungal Diversity and Complex Community Structure to Wheat Root Rot Disease

The Influence of Rhizosphere Fungal Diversity and Complex Community Structure to Wheat Root Rot Disease

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