caa a22 4500 477110495 CHVBK 20180405111607.0 cr unu---uuuuu 170330e19960101xx s 000 0 eng 10.1007/BF00011586 doi (NATIONALLICENCE)springer-10.1007/BF00011586 Factors affecting production of COS and CS2 in Leucaena and Mimosa species [Elektronische Daten] [Zhe Feng, Peter Hartel] Carbon disulfide (CS2) and carbonyl sulfide (COS) are colorless, foul-smelling, volatile sulfur compounds with biocidal properties. Some plants produce CS2 or COS or both. When used as an intercrop or forecrop, these plants may have agronomic potential in protecting other plants. Most of the factors which affect production of these plant-generated organic sulfides are unknown. We determined the effects of sulfate concentration, plant age, nitrogen fixation, drought stress, root injury (through cutting), and undisturbed growth on COS production in Leucaena retusa or Leucaena leucocephala and the effect of some of these factors on CS2 production in Mimosa pudica. In addition, we determined if organic sulfides were produced in all Leucaena species. When L. retusa and M. pudica seedlings were grown in a plant nutrient medium with different sulfate concentrations (50 to 450 mg SL-1), COS or CS2 from crushed roots generally increased with increasing sulfate concentration. COS production was highest (≤74 ng mg-1 dry root) for young L. retusa seedlings and declined to low amounts (<5 ng mg-1 dry root) for older seedlings. Nitrogen fixation reduced the amounts of COS or CS2 produced in L. leucocephala and M. pudica. Under conditions of undisturbed growth, root cutting, or drought stress, no COS production was detected in 4-to 8-weeks-old L. retusa plants. COS or CS2 or both was obtained from crushed roots or shoots of all 13 known Leucaena species. Kluwer Academic Publishers, 1996 drought stress nationallicence gnotobiotic assembly nationallicence Mimoseae nationallicence nitrogen fixation nationallicence organic sulfide nationallicence plant age nationallicence sulfate nationallicence Feng Zhe Department of Crop and Soil Sciences, The University of Georgia, 30602, Athens, GA, USA aut Hartel Peter Department of Crop and Soil Sciences, The University of Georgia, 30602, Athens, GA, USA aut Plant and Soil Kluwer Academic Publishers; gopher://gopher.wkap.nl 178/2(1996-01-01), 215-222 0032-079X 178:2<215 1996 178 11104 https://doi.org/10.1007/BF00011586 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00011586 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Feng Zhe Department of Crop and Soil Sciences, The University of Georgia, 30602, Athens, GA, USA aut NATIONALLICENCE 700 1- Hartel Peter Department of Crop and Soil Sciences, The University of Georgia, 30602, Athens, GA, USA aut NATIONALLICENCE 773 0- Plant and Soil Kluwer Academic Publishers; gopher://gopher.wkap.nl// 178/2(1996-01-01), 215-222 0032-079X 178:2<215 1996 178 11104 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer