Regulation of agronomic traits of bean by soil decomposer animals depends on cropping system and genotype

Wang, Panlei; Erktan, Amandine; Fu, Li-Bo; Pan, Yanhua; Sun, Xiaodong; Cao, Weidong; Li, Tang; Scheu, Stefan; Wang, Zhiyuan

doi:10.1007/s11104-023-05909-8

Cited by 2 publications

(1 citation statement)

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“…Last, microbiomes play important role of decomposing organic matters that enhanced soil nutrient [18,19] and increase of yield resilient. Microbes supply up to 30% of major nutrients needed for plant health such as phosphate and nitrogen.…”

Section: Introductionmentioning

confidence: 99%

Quantitative analysis of rhizosphere microbial population obtained from main-croplands in South Sulawesi

Junaid,

Gassing,

Muslimah

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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The study aims to investigate microbial species and quantify population richness associated with main crop rhizosphere in South Sulawesi. Survey was conducted in two areas including healthy and infected croplands. In each area about 1 ha, samples were collected to consist of 250 g bulk soil of rhizosphere in healthy and infected farms 1 month after transplanting. For analysis, those samples were carried out at the Plant pathology Lab, Department Plant Pest and Disease, Faculty of Agriculture. 10 g bulk soil separation out of 250 g obtained from rhizosphere was sterilized into water 25 mL and sieved 50-100 mesh prior to transfer to growth medium. After that, 4 % (g/mL) potato dextrose agar (PDA) in the petri dish was earlier prepared. The soil mixture (1g/10 mL) was diluted and transferred into a series dilution and parallelly loaded into solid media kept in dark room with at room temperature. Microbiota successfully growing in the solid media were split and transferred into petridish contained PDA for morphological identification and quantified through a series dilution. The study found 23 native fungal isolates consisting of Genera: Rhizopus sp. Phytophthora sp., Fusarium sp., Rhizoctonia sp., Geotrichum, Aspergillus sp., Gliocladium sp., Gongronella sp., and 14 unknown groups of fungi. Three bacterial isolates were discovered as gram-positive bacteria (GPB) in the infected cropland and the other two were gram-negative bacteria (GNB) found in healthy farm. The finding evidenced that population of microbiota ‘bacterial and fungal’ richness was twofold much higher in the healthy farm than infected farm. Bacterial population was the highest in both healthy and infected farms. There is a tendency of the higher fungal population richness, the lower rice disease incidence in croplands, vice versa.

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Section: Introductionmentioning

confidence: 99%