PMID: 1201509Oct 1, 1975Paper

Effect on microorganisms of volatile compounds released from germinating seeds

Canadian Journal of Microbiology
S Schenck, G Stotzky

Abstract

Volatile compounds evolved from germinating seeds of slash pine, bean, cabbage, corn, cucumber, and pea were evaluated for their ability to support growth of microorganisms in liquid mineral salts media lacking a carbon source. Growth of eight bacteria was measured turbidimetrically and of six fungi as dry weight of mycelium. Volatiles caused increased growth of Pseudomonas fluorescens, Bacillus cereus, Erwinia carotovora, Agrobacterium tumefaciens, A. radiobacter, Rhizobium japonicum, Mucor mucedo, Fusarium oxysporum f. conglutinans, Trichoderma viride, and Penicillium vermiculatum but not of Sarcina lutea, Serratia marcescens, Chaetomium globosum, or Schizophyllum commune. Spores of Trichoderma viride showed higher germination in the presence of volatiles. Effects on growth were apparent only during the first 3 or 4 days after planting the seeds. Killed or dried seeds had no effect. The volatiles did not support microbial growth in the absence of nitrogen nor did they supply growth factors. Passing volatiles through KMnO4 or hydrazone reduced growth of the bacteria, indicating that oxidizable organic compounds, primarily aldehydes, were the active components. The volatiles were not absorbed by sterile soil, clay minerals, or ...Continue Reading

Citations

Nov 12, 2013·Microbiological Research·Samiran BanerjeeVladimir Vujanovic
May 1, 1976·CRC Critical Reviews in Microbiology·G Stotzky, S Schenck
Nov 3, 2021·Journal of Experimental Botany·Kayla K PennermanJoan W Bennett

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