The rhizosphere soil factors on the quality of wild-cultivated herb and its origin traceability as well as distinguishing from garden-cultivated herb: Mountainous forest cultivated ginseng for example

2021 ◽  
Vol 172 ◽  
pp. 114078
Author(s):  
Lianlian Zhu ◽  
Jiang Xu ◽  
Peiyuan Dou ◽  
Deqiang Dou ◽  
Luqi Huang
Keyword(s):  
Rhizosphere Soil ◽  
Soil Factors

Effect on yield and juice quality of sugarcane following rice

1987 ◽  
Vol 109 (3) ◽  
pp. 599-600 ◽  
Author(s):  
D. V. Yadav ◽  
R. D. Singh
Keyword(s):  
Adverse Effects ◽  
Soil Structure ◽  
Growth And Yield ◽  
Juice Quality ◽  
Soil Factors ◽  
Physical Conditions ◽  
Effect On Yield ◽  
Harmful Effects

Sugarcane is usually grown after paddy in tropical and subtropical India; this rotation is adopted when sugarcane is planted in October (autumn planting). Soil puddling is required for paddy, but puddling disturbs the soil structure and impedes development of roots beyond the puddled layer. Adverse effects on growth and yield of sugarcane are therefore expected, but contrary to such expectations, sustained or increased yields of cane after paddy have been observed (Alvarez & Snyder, 1984; Anon. 1984; Snyder el al. 1986). It appears that certain other soil factors overcome the harmful effects of adverse soil physical conditions. Therefore, the present study was undertaken to investigate such factors.

Influence of the Number of Pathogen Causing Banana Fusarium Wilt and Soil Factors on the Infection Degree of Banana Plants

2013 ◽  
Vol 781-784 ◽  
pp. 1989-1993 ◽  
Author(s):  
Xiao Deng ◽  
Qin Fen Li ◽  
Chun Yuan Wu ◽  
Jing Kun Liu
Keyword(s):  
Fusarium Wilt ◽  
Rhizosphere Soil ◽  
Soil Samples ◽  
Available P ◽  
Nutrient Concentrations ◽  
Soil Factors ◽  
Plate Method ◽  
Banana Production ◽  
Plant Infection ◽  
Dilution Plate Method

Banana fusarium wilt is one of the soil-borne diseases of seriously threat to banana production in the world. However, there is no effective method for prevention. The objective was providing theoretical basis for field diagnosis of banana fusarium wilt. Thirty rhizosphere and non-rhizosphere soil samples were collected from three typical banana plots (Jianfeng, Shiyuetian, Chongpo) infected by banana fusarium wilt. Applying dilution plate method to estimate the pathogenic number, fourteen soil physicochemical properties and nutrient concentrations were chemically determined. Results showed that pathogenic number and nutrient concentrations in rhizosphere soil were higher than non-rhizosphere soil, the pathogenic number and pH in rhizosphere soils significantly increased with increasing of plant infection grades, while the concentrations of available P and B decreased with increasing of plant infection grades. It was concluded that infection degree of banana plants was mainly determined by pathogenic number, pH and the concentrations of available P and B.

Metal accumulation by Arabidopsis halleri subsp. gemmifera at a limestone mining site

2015 ◽  
Vol 63 (2) ◽  
pp. 134 ◽  
Author(s):  
Aki Kosugi ◽  
Jun Tamaru ◽  
Kazumi Gotou ◽  
Hazuka Y. Furihata ◽  
Akifumi Shimizu ◽  
...  
Keyword(s):  
Calcareous Soil ◽  
Metal Accumulation ◽  
Rhizosphere Soil ◽  
Sampling Site ◽  
Calcareous Soils ◽  
Soil Samples ◽  
Arabidopsis Halleri ◽  
Soil Factors ◽  
Mining Site ◽  
Zn Concentration

Arabidopsis halleri subsp. gemmifera, a close wild relative of A. thaliana in eastern Asia, is an important model species of Brassicaceae used to study cadmium (Cd) and zinc (Zn) tolerance and hyperaccumulation in plants. To investigate the effects of soil factors on metal accumulation in this plant, we collected plants and rhizosphere soil samples from a limestone mining site on Mount Ibuki, and compared them with those collected from non-calcareous soil in Japan. Irrespective of the sampling site, all the plants efficiently accumulated Cd in shoot tissues. The plants growing on non-calcareous soil also accumulated Zn in shoot tissues, but shoot Zn concentration in plants growing on calcareous soils was below the level required for hyperaccumulators. The pH of calcareous soil samples was between 7.68 and 8.21. Total Zn contents were similar in calcareous and non-calcareous soils, but the amounts of Zn extractable by 0.1 M HCl were lower in calcareous than in non-calcareous soil. These results indicate that the properties of calcareous soil affect metal accumulation in plants.

scholarly journals Characterization of the microbial communities in wheat tissues and rhizosphere soil caused by dwarf bunt of wheat

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Tongshuo Xu ◽  
Wenli Jiang ◽  
Dandan Qin ◽  
Taiguo Liu ◽  
Jianmin Zhang ◽  
...  
Keyword(s):  
High Throughput Sequencing ◽  
Rhizosphere Soil ◽  
Microbial Composition ◽  
Wheat Varieties ◽  
Resistant Varieties ◽  
Abundance And Diversity ◽  
Dwarf Bunt ◽  
Wheat Tissues

AbstractDwarf bunt of wheat, which is caused by Tilletia controversa J.G. Kühn, is a soil-borne disease which may lead up to an 80% loss of yield together with degradation of the quality of the wheat flour by production of a fishy smell. In this study, high-throughput sequencing technology was employed to characterize the microbial composition of wheat tissues (roots, spikes, first stem under the ear, and stem base) and rhizosphere soil of wheat varieties that are resistant and susceptible to T. controversa. We observed that the soil fungal community abundance and diversity were higher in resistant varieties than in susceptible varieties in both inoculated and uninoculated wheat, and the abundances of Sordariomycetes and Mortierellomycetes increased in the resistant varieties infected with T. controversa, while the abundances of Dothideomycetes and Bacteroidia increased in the susceptible varieties. Regarding the bacteria present in wheat tissues, the abundances of Chloroflexi, Bacteroidetes, Gemmatimonadetes, Verrucomicrobia and Acidobacteria in the ear and the first stem under the ear were higher than those in other tissues. Our results indicated that the abundances of Sordariomycetes, Mortierellomycetes, Leotiomycetes, Chryseobacterium and Massilia were higher in T. controversa-infected resistant varieties than in their controls, that Dothideomycetes, Bacteroidia, Nocardioides and Pseudomonas showed higher abundances in T. controversa-infected susceptible varieties, and that Curtobacterium, Exiguobacterium, Planococcus, and Pantoea may have higher abundances in both T. controversa-infected susceptible and resistant varieties than in their own controls.

scholarly journals Comparative analysis of rhizosphere soil physiochemical characteristics and microbial communities between rusty and healthy ginseng root

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Xingbo Bian ◽  
Shengyuan Xiao ◽  
Yan Zhao ◽  
Yonghua Xu ◽  
He Yang ◽  
...  
Keyword(s):  
Community Structure ◽  
Rhizosphere Soil ◽  
Chemical Properties ◽  
Ginseng Root ◽  
Available Phosphorus ◽  
Abundance And Diversity ◽  
Physical And Chemical ◽  
The Relationship ◽  
Soil Changes

Abstract Ginseng rusty root (GRR) symptom is one of the primary diseases of ginseng. There has been a problem of ginseng rusty root, leading to a severe decline in the quality of ginseng. To clarify the relationship between root symptoms of ginseng rust and soil, the physical and chemical properties, enzyme activity, community structure and microbial diversity of GRR and healthy ginseng (HG) rhizosphere soil were analyzed and compared. The pH and redox potential (Eh) of GRR soil decreased, and the contents of total phosphorus (TP), available phosphorus (AP), and available potassium (AK) decreased. The activity of catalase and phosphatase and invertase was lower than that of HG groups. Besides, the microbial community of GRR rhizosphere soil changes much, and its abundance and diversity are significantly reduced. The community structure of GRR rhizosphere soil also shows apparent differences, and the samples of the HG group gathered together, and the samples of the GRR group were dispersed. In general, GRR was closely associated with decreases in soil pH and Eh; decreases in TP, AP, and AK; decreases in the activity of several enzymes. Additionally, it is strongly associated with an increase in pathogenic microorganisms such as Ilyonectria and a reduction of beneficial microorganisms such as Tremellomycetes Acidobacteria subgroup 6 and Gemmatimonadetes.

scholarly journals Effects of Tilletia foetida on Microbial Communities in the Rhizosphere Soil of Wheat Seeds Coated with Different Concentrations of Jianzhuang

2021 ◽  
Author(s):  
Ghulam Muhae Ud Din ◽  
Zhenzhen Du ◽  
Han Zhang ◽  
Sifeng Zhao ◽  
Taiguo Liu ◽  
...  
Keyword(s):  
Bacterial Communities ◽  
Rhizosphere Soil ◽  
Pathogenic Fungus ◽  
Group Analysis ◽  
Fungal Communities ◽  
Common Bunt ◽  
Fungal Abundance ◽  
Wheat Seeds ◽  
Tilletia Foetida

AbstractTilletia foetida (syn. T. laevis) leads to wheat common bunt, a worldwide disease that can lead to 80% yield loss and even total loss of production, together with degrading the quality of grains and flour by producing a rotten fish smell. To explore the potential microbial community that may contribute to the control of soil- and seed-borne pathogens, in this study, we analyzed the effects of the plant pathogenic fungus T. foetida on rhizosphere soil microorganisms in wheat seeds coated with different concentrations of a fungicide (Jianzhuang) used to control the disease. To analyze the bacterial and fungal abundance in T. foetida-infected and mock-infected plants, the microorganisms were sequenced using high-throughput HiSeq 2500 gene sequencing. The results showed that bacterial communities, including Verrucomicrobia, Patescibacteria, Armatimonadetes, Nitrospirae, Fibrobacteres, Chlamydiae, and Hydrogenedentes, and fungal communities, including Basidiomycota and Ciliophora, were more prevalent in the mock group than in the T. foetida-infected group, which may contribute to the control of wheat common bunt. Moreover, cluster and PCoA analysis revealed that replicates of the same samples were clustered together, and these results were also found in the distance index within-group analysis for bacterial and fungal communities in the T. foetida-infected and mock groups.

scholarly journals Building an Integrative and Testable Hypothesis on How Edaphic Factors Ultimately Influence the Occurrence and Quality of Ophiocordyceps Sinensis, the Vegetable Caterpillar

2021 ◽  
Author(s):  
Xi-Ling Deng ◽  
Kong Yang ◽  
Adrien Favre
Keyword(s):  
Enzyme Activity ◽  
Structural Equation ◽  
Principal Component ◽  
Testable Hypothesis ◽  
Market Demand ◽  
Edaphic Factors ◽  
Soil Factors ◽  
Mean Values ◽  
Ophiocordyceps Sinensis

Abstract BackgroundThe yield of commercially harvested “vegetable caterpillar” Ophiocordyceps sinensis has dramatically plummeted in the last few decades, while market demand has increased. Besides controlling the obvious overexploitation of this species, understanding how edaphic factors influence this system may improve the chances of successful cultivation and thus support the conservation of O. sinensis in the wild. Our study investigates how the presence/absence and the quality of O. sinensis may be linked to a series of edaphic factors pertinent to its microhabitat, including enzyme activity, nutrients, moisture, pH and nematode population. In order to provide a preliminary hypothesis on the relationships among edaphic factors and their influence on O. sinensis, we performed a principal component analysis and structural equation modelling despite limited replication. ResultsSoil samples containing O. sinensis were more moist and contained a higher concentration of nutrients and enzyme activity than control samples collected nearby, where the species was absent. Preliminary analyses indicated that enzyme activity may be crucial and appeared to be affected by a number of other soil factors. We found that O. sinensis would occupy microhabitats with a relatively higher soil fertility and a more persistent enzyme activity, where the values of total nitrogen and catalase are especially important. Otherwise, with the exception of organic matter and enzyme activity, mean values did not suggest any other factors potentially corresponding to a better quality of O. sinensis.ConclusionsBased on these preliminary findings and a further literature review, we formulated the first integrative hypothesis (network of interactions) on how soil factors may influence each other and O. sinensis. Finally, we indicate how this hypothesis may be tested in the future, in order to increase the chances for successful cultivation and thus promote the conservation and sustainable harvesting of O. sinensis.

scholarly journals Effects of phosphorus and potassium bacterial Fertilizer on Rhizosphere soil nutrients and Fruit quality of Huangguo Citrus

2020 ◽  
Vol 206 ◽  
pp. 02008
Author(s):  
Youting Yang ◽  
Yan Gong ◽  
Zhaofang Chen ◽  
Liping Tan ◽  
Qing Zhang ◽  
...  
Keyword(s):  
Soil Nutrients ◽  
Fruit Quality ◽  
Bacillus Megaterium ◽  
Rhizosphere Soil ◽  
Organic Fertilizer ◽  
Soil Nutrient ◽  
Inorganic Compound ◽  
Compound Fertilizer ◽  
Phosphorus And Potassium

In this experiment, 8-year-old yellow fruit citrus trees were used as materials, and the soil nutrients were determined with the combination of Bacillus megaterium, glial bacillus, organic-inorganic compound fertilizer and organic fertilizer, and the conventional application of organic fertilizer as the control. The results showed that the soil nutrients of the treatments of Bacillus megaterium, Bacillus glia and organic fertilizer were significantly higher than those of the control. The treatment of applying Bacillus megaterium and Bacillus glia alone reached a significant level in many soil nutrient indexes. It is suggested that the combination of Bacillus megaterium, Bacillus glia and organic fertilizer should be applied in production.

scholarly journals relationship of agro-climatic characteristics in flowering phenology of siam citr plants (Citrus nobillias Var microcarpa L)

2020 ◽  
Vol 4 (3) ◽  
pp. 72-79
Author(s):  
Ni Putu Anom Sulistiawati ◽  
I. Nengah Suaria ◽  
Ni Komang Alit Astiari
Keyword(s):  
Environmental Factors ◽  
Large Scale ◽  
Climatic Factors ◽  
Chemical Properties ◽  
Flowering Phenology ◽  
Soil Physical Properties ◽  
Soil Factors ◽  
Relationship Of ◽  
Climatic Characteristics

The productivity of citrus plants in Indonesia is still low. This is due to the insufficient land used for citrus cultivation. Besides, several factors influence the production and quality of citrus, namely genetics, cultivation, and post-harvest handling, as well as other environmental factors, namely land. Environmental factors that affect the production and quality of citrus are soil and climate. Soil factors include altitude, topography, drainage, soil type, soil physical properties, and soil chemical properties, while climatic factors include rainfall and temperature. On a large scale, these environmental factors are difficult to modify, so to avoid the risk of damage and death, citrus plants are recommended to be planted on suitable land. The purpose of land suitability research is also intended to increase the production and quality of oranges.

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