Effect of Zinc and Microbial Inoculation on  Soil Enzyme Activities for Maize (Zea mays L.) in Black Soil

Ayyar, Suganya; Appavoo, Saravanan; Basker, M.; Pandiyarajan, P.; Kavimani, R.

doi:10.20546/ijcmas.2019.808.213

Cited by 18 publications

(12 citation statements)

References 12 publications

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“…Our findings are also similar to the findings of El-Sawah et al [19]; Asif et al (2019); Suganya et al [20]; Qin et al [21]; Shubha et al [22]; and Jones et al [23] Pacovasky et al [24] documented that increased phosphatase activity in AM fungi associated roots, resulting in enhanced phosphate availability in mycorhizosphere. The activity of microorganisms and AM fungi in rhizosphere soil may be the source of different soil enzymes required for several biochemical reactions.…”

Section: Phosphatase Activity (µG Pnp Releasedsupporting

confidence: 92%

Soil Enzyme Activity and Nutrient Uptake as Influenced by Arbuscular Mycorrhizal Fungi in Tobacco Rhizosphere under Parasitic Weed Stress Condition

Waratadar

Nirmalnath²,

Matiwade³

et al. 2022

IJPSS

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The present study assessed the effect of Arbuscular mycorrhizal fungi on nutrient uptake and soil enzyme activity of tobacco rhizosphere under parasitic weed stress condition. The experiment was carried out in Orobanche infested soils of Belagavi district during 2018-19. During the investigation different inoculation methods of Arbuscular mycorrhizal fungi were screened for their ability to improve the nutrient uptake and soil enzyme activity i.e. (pre inoculation of nursery seedlings; direct soil application and the combination of both). The present experimental results revealed that soil enzyme activities like dehydrogenase, phosphates and urease activity was highest in treatments received planting of pre colonized tobacco seedling with STD AMF along with soil application at the time of planting and second highest was recorded in the treatment received pre colonized UASDAMFT plus soil application. Furthermore nutrient uptake like N, P, K and micronutrients were found to be the highest in the plots received mycorrhization compare to the rhizosphere of non mycorrhized plants. In mycorrhizosphere the activity of mycorrhizal fungi and other beneficial microorganisms could be a source for different soil enzyme needed for biochemical reaction in the plant rhizosphere.

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Section: Phosphatase Activity (µG Pnp Releasedsupporting

confidence: 92%

Soil Enzyme Activity and Nutrient Uptake as Influenced by Arbuscular Mycorrhizal Fungi in Tobacco Rhizosphere under Parasitic Weed Stress Condition

Waratadar

Nirmalnath²,

Matiwade³

et al. 2022

IJPSS

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“…Several countries have also made it one of their most important forage and cereal crops (FAO, 2017). Maize production needs to be increased worldwide for many purposes including human nutrition, fodder, pharmaceuticals, and industrial manufacture (Ayyar et al, 2019). In addition to being used as a raw material for antibiotics, it is used in the manufacturing of starch, ethanol, and plastics (Abd El-Wahed and Ali, 2013).…”

Section: Introductionmentioning

confidence: 99%

Silicon supplementation enhances productivity, water use efficiency and salinity tolerance in maize

et al. 2022

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Drought and salinity stress severely inhibits the growth and productivity of crop plants by limiting their physiological processes. Silicon (Si) supplementation is considerd as one of the promising approaches to alleviate abiotic stresses such as drought and salinity. In the present study, a field experiment was conducted over two successive growth seasons (2019-20) to investigate the effect of foliar application of Si at two concentrations (1 and 2 kg Si ha-1) on the growth, yield and physiological parameters of three maize cultivars (ES81, ES83, and ES90) under three levels of irrigation salinity) [1000 (WS1), 2000 (WS2) and 3000 (WS3) mg L-1NaCl]. In this study, A trickle irrigation system was used. Si application significantly mitigated the harsh effects of salinity on growth and yield components of maize, which increased at all concentrations of Si. In irrigation with S3 salinity treatment, grain yield was decreased by 32.53%, however, this reduction was alleviated (36.19%) with the exogenous foliar application of Si at 2 kg Si ha-1. At salinity levels, Si application significantly increased maize grain yield (t ha-1) to its maximum level under WS of 1000 mg L-1, and its minimum level (Add value) under WS of 3000 mg L-1. Accordingly, the highest grain yield increased under Si application of 2 kg Si ha-1, regardless of salinity level and the cultivar ES81 achieved the highest level of tolerance against water salinity treatments. In conclusion, Application of Si at 2 kg Si ha-1 as foliar treatment worked best as a supplement for alleviating the adverse impacts of irrigation water salinity on the growth, physiological and yield parameters of maize.

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“…Presently release and use of high Zn responsive crop varieties are on the rise. An application of AMF and Zinc solubilizing bacteria along with 50 Kg of ZnSO 4 per ha increased the soil enzyme activities for example dehydrogenase, urease, and phosphatase in vegetative, tasseling, and harvest stages [54]. The action of all enzyme reduce soil pH and improve the bioavailability of phosphorous in the soil.…”

Section: Zinc Fertilizersmentioning

confidence: 99%

The First Reported Case of Bullous Lichen Planus/Systemic Lupus Erythematosus Overlap Syndrome

Zhuo¹

2021

BJSTR

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Agriculture is the mainstay between humans and the environment. The existence of arbuscular mycorrhizal fungi (AMF), on the earth, is about 600 million years ago. The application of mycorrhizae as biofertilizer is in increasing trend. Mycorrhizae improve several agricultural practices like better nutrient cycling, improving crop yield, and remediation of toxic heavy metals from soil. There is much variation in arbuscular mycorrhizal association although 80% of the plant species are infected with mycorrhizae. Mycorrhizal dependency (MD) is defined as the degree to which a host plant is dependent on AMF to produce maximum growth or yield at a given level of soil fertility. Plant with high MD need to feed with a higher amount of carbon and lipid to the fungus than a plant with less MD. Mycorrhizae modify, maintain, and create habitat by directly and indirectly regulating biotic and abiotic environments. Mycorrhizae derived photosynthetically formed C for the growth and uptake, tolerance against abiotic stress such as drought, heavy metals, salinity as well as protecting from pathogen attack to host plant and preventing from erosion. Application of ZnO would have been the probable solution of mitigating drought.ZnO treatment decreased the adverse effects of drought stress in plants by enhancing antioxidant enzyme activity and changing physiological parameters. Heat stress affects many processes in a variety of plants as water relations, nutrient uptake, photosynthesis, assimilate partitioning, respiration, growth, and reproduction, and induced oxidative damage. Foliar application of ZnSO4.7H2O effectively alleviated by enhancing Zn concentration, superoxide dismutase activity, chlorophyll content, Fv/Fm ratio, and photosystem II under heat stress. In maize, there is a substantial reduction of germination above 37oC. All the parameters recorded in wheat, namely, no of tillers, plant height, spike length, no of spikelets per spike, no of grains per spike, 1000 grain weight, biological yield, grain yield and harvesting index, Ca, Mg, Fe, Zn, Cu and protein content are significantly affected by the mycorrhizal application. Almost 25% of recommended dose of phosphate fertilizer could be saved as in Niger(Guizotia abyssinica)by inoculating Glomusmosseae. Zinc is a vital micronutrient for many plants but its excess can be calamitous.AMF contributes to plant Zn uptake but their role in the edible portion of the crop has not been studied yet. The mycorrhizal pathway of Zn uptake contributed up to 24.3% of the total above-ground Zn in wheat and up to 12% of that Zn in Barley. The greatest contribution by the mycorrhizal pathway was observed in Barley at the lowest Zn addition and in wheat at the .highest one. Besides the grain yield of bread wheat was increased by AMF.

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Effect of Zinc and Microbial Inoculation on Soil Enzyme Activities for Maize (Zea mays L.) in Black Soil

Cited by 18 publications

References 12 publications

Soil Enzyme Activity and Nutrient Uptake as Influenced by Arbuscular Mycorrhizal Fungi in Tobacco Rhizosphere under Parasitic Weed Stress Condition

Soil Enzyme Activity and Nutrient Uptake as Influenced by Arbuscular Mycorrhizal Fungi in Tobacco Rhizosphere under Parasitic Weed Stress Condition

Silicon supplementation enhances productivity, water use efficiency and salinity tolerance in maize

The First Reported Case of Bullous Lichen Planus/Systemic Lupus Erythematosus Overlap Syndrome

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