On-farm production of AM fungus inoculum in mixtures of compost and vermiculite

Douds, David D.; Nagahashi, Gerald; Pfeffer, Philip E.; Reider, C.; Kayser, W. M.

doi:10.1016/j.biortech.2005.04.015

Cited by 88 publications

(68 citation statements)

References 31 publications

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“…The required management will depend on the ecological characteristics of the AM fungi such as life-cycle and dispersal abilities. Management options could be creating better conditions (i.e., cover cropping, crop rotation, avoiding fallow) or inoculation with non-native, commercial AM fungal inocula, or on-site amplification of native AM fungal inocula [199], depending on what information is available for local conditions. Basic descriptive information is required for taxa associated with soil biological functions that are fairly cosmopolitan (e.g., denitrification), but also for more specialized functional guilds (e.g., symbiotic N-fixers).…”

Section: Fundamental Information Lacking Regarding the Identities DImentioning

confidence: 99%

Understanding and Enhancing Soil Biological Health: The Solution for Reversing Soil Degradation

et al. 2015

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Our objective is to provide an optimistic strategy for reversing soil degradation by increasing public and private research efforts to understand the role of soil biology, particularly microbiology, on the health of our world's soils. We begin by defining soil quality/soil health (which we consider to be interchangeable terms), characterizing healthy soil resources, and relating the significance of soil health to agroecosystems and their functions. We examine how soil biology influences soil health and how biological properties and processes contribute to sustainability of agriculture and ecosystem services. We continue by examining what can be done to manipulate soil biology to: (i) increase nutrient availability for production of high yielding, high quality crops; (ii) protect crops from pests, pathogens, weeds; and (iii) manage other factors limiting production, provision of ecosystem services, and resilience to stresses like droughts. Next we look to the future by asking what needs to be known about soil biology that is not currently recognized or fully understood and how these needs could be addressed using emerging research tools. We conclude, based on our perceptions of how new knowledge regarding soil biology will help make agriculture more sustainable and productive, by recommending research emphases that should receive first priority through enhanced public and private research in order to reverse the trajectory toward global soil degradation.

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Section: Fundamental Information Lacking Regarding the Identities DImentioning

confidence: 99%

Understanding and Enhancing Soil Biological Health: The Solution for Reversing Soil Degradation

et al. 2015

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“…The most widely used method is substrate-based, however, the spores produced through this method are contaminated with other microbes (Douds et al, 2006). The in vitro culture method provide pure cultures of AMF propagules, however, the production of AMF for large scale application is still in its infancy.…”

Section: Introductionmentioning

confidence: 99%

Trap Culture Technique for Propagation of Arbuscular Mycorrhizal Fungi using Different Host Plants

Selvakumar¹,

Kim²,

Walitang³

et al. 2016

Korean Journal of Soil Science and Fertilizer

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Arbuscular mycorrhizal fungi (AMF) spore propagation and long term maintenance is still a complicated technique for farmers. The use of AMF for their ability to promote plant growth and protect plants against pathogen attack and environmental stresses demands AMF propagation for large scale application. This study aimed to propagate AMF spores by trap culture technique and assess their ability to propagate with different host plants in a continuous plant cycle. Mycorrhizal inoculation by trap culture in maize resulted in longer shoots and roots than sudangrass plants. Increase in dry weight with higher percentage also was observed for maize plants. After first and second plant cycle, maize plants had the higher percentage of mycorrhizal response in terms of colonization and arbuscules than sudangrass. Maximum in spore count also achieved in the pots of maize plants. The results show that maize plant is more suitable host plant for AMF spore propagation and trap culture technique can be used effectively to maintain the AMF culture for long time.

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“…[41-43, 8, 44, 45]. Addition of organic residues to the substrate is known to increase AM fungal sporulation hence leading to increased inoculum production [46][47][48][49]. Douds et al [8] successfully produced AM fungal inoculum in compost mixed with vermiculite, perlite, or horticultural potting media and observed that the propagule numbers were maximum in vermiculite based media.…”

Section: Effect Of Different Carrier Treatments On Re-inoculation/colmentioning

confidence: 99%

Development of Carrier Based in Vitro Produced Arbuscular Mycorrhizal (AM) Fungal Inocula for Organic Agriculture

Rodrigues¹,

Rodrigues²

2017

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Abstract. Studies on the advantageous effects of arbuscular mycorrhizal (AM) fungi are providing new possible ways to exploit them as biofertilizers in sustainable agriculture. Many studies have described the potential of root organ culture (ROC) system for production of AM fungal inocula. However there is a need for development of a suitable carrier formulation to support in vitro produced AM fungal inocula when mixed with substrate, so as to enable the delivery of inocula in the rhizosphere. The aim of this study was to assess the performance of the organic carrier formulation consisting of vermiculite as the main component along with cattle manure, wood powder and wood ash in different proportions; and its ability to retain inoculum potential of the in vitro produced AM fungal propagules of Rhizoglomus intraradices and Funneliformis mosseae. Treatment 5 comprising of carrier formulation (vermiculite: cow dung powder: wood powder: wood ash) in the ratio of 20:8:2:1 was observed to be as the best carrier treatment for both the in vitro produced AM species. The in vitro produced propagules of both AM species were viable and effectively colonized the roots of Eleusine coracana Gaertn. The method established shows the efficiency of the carrier formulation in sustaining the inoculum potential of in vitro produced AM propagules for mass multiplication and possibility in application.

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On-farm production of AM fungus inoculum in mixtures of compost and vermiculite

Cited by 88 publications

References 31 publications

Understanding and Enhancing Soil Biological Health: The Solution for Reversing Soil Degradation

Understanding and Enhancing Soil Biological Health: The Solution for Reversing Soil Degradation

Trap Culture Technique for Propagation of Arbuscular Mycorrhizal Fungi using Different Host Plants

Development of Carrier Based in Vitro Produced Arbuscular Mycorrhizal (AM) Fungal Inocula for Organic Agriculture

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