Studies on Plant Growth-regulating Activities of Anisomycin and Toyocamycin

Yamada, Osamu; Kaise, Yoji; Futatsuya, Fumio; Ishida, Shuichi; Ito, Kensaku; Yamamoto, Hiroshi; Munakata, Katsura

doi:10.1271/bbb1961.36.2013

Cited by 19 publications

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“…Anisomycin, discovered from the culture filtrate of Streptomyces toyocaensis was the first microbial phytotoxin to be used as a commercial herbicide (Yamada et al, 1972). The phytotoxin is highly effective against barnyardgrass and crabgrass, but has no activity against turnip, tomato and other broadleaf horticultural species.…”

Section: Introductionmentioning

confidence: 99%

Selective Isolation and Screening of Soil Microorganisms for Metabolites with Herbicidal Potential

Mallik

2001

Journal of Crop Production

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Crop losses from weeds worldwide average 10% annually. Herbicide application is almost essential in modern agriculture to maintain high productivity. Increased awareness of the environmental damage caused by continued use of conventional synthetic herbicides has aroused great interest in biodegradable, selective and environmentally friendly herbicides. The increasing incidence of herbicide resistance in weeds has stimulated research for herbicidal compounds with new or novel sites and modes of action. Microbial metabolites have become the focus of attention of researchers searching for natural product alternatives to conventional herbicides. Two well-known commercial herbicides of microbial origin are anisomycin (commercial analogue, methoxyphenon) and bialaphos. Both were isolated from members of actinomycetes. Several phytotoxins have been isolated from microbial metabolites, e.g., herbicidins A and B, herbimycins A and B, nigericin, tentoxin and others. The list of microbial phytotoxins continues to M. increase. Actinomycetes are the major source of several herbicides and other bioactive compounds. The potential of discovering new phytotoxins from metabolites of microorganisms is still unlimited. Methods of isolation of actinomycetes, their screening for phytotoxins, separation of phytotoxins from metabolites and partial purification of the toxins are described. Included are screening of soil fungi for phytotoxin, mass culture of fungi, and bioassays.

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Section: Introductionmentioning

confidence: 99%

Selective Isolation and Screening of Soil Microorganisms for Metabolites with Herbicidal Potential

Mallik

2001

Journal of Crop Production

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Weed Science and Weed Management

2023

Weed Science and Weed Management in Rice and Cereal‐Based Cropping Systems

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Phytotoxicants from microorganisms and related compounds

Fischer¹,

Belluš²

1983

Pestic. Sci.

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Phytotoxic compounds produced by microorganisms are reviewed. Their utilisation as leads to new herbicides is explored in three chemical classes : 2‐aminoalk‐3‐enoic acids, ether derivatives of 3‐hydroxycyclobut‐3‐ene‐1,2‐diones, and 2‐(acylaminooxy)acetic acid derivatives. It is concluded that some bacteria and fungi yield compounds possessing sufficient herbicidal activity to be valuable as herbicides as such, or as leads for chemical optimisation.

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Studies on Plant Growth-regulating Activities of Anisomycin and Toyocamycin

Abstract: Chemical modification of physiologically active natural substances is the method by which several agricultural chemicals with new structures have been developed. Many plant growth-regulating substances have been found among the products of microbes, i.e. auxins,

Cited by 19 publications

References 1 publication

Selective Isolation and Screening of Soil Microorganisms for Metabolites with Herbicidal Potential

Selective Isolation and Screening of Soil Microorganisms for Metabolites with Herbicidal Potential

Weed Science and Weed Management

Phytotoxicants from microorganisms and related compounds

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