Stephen R. Shafer

In vitro colonization of micropropagated Pieris floribunda by ericoid mycorrhizae. II. Effects on acclimatization and growth

HortScience, 36(2), 357–359.

In vitro colonization of micropropagated Pieris floribunda byericoid mycorrhizae. I. Establishment of mycorrhizae onmicroshoots

HortScience, 36(2), 353–356.

A conceptual model and indicators for assessing the ecological condition of agricultural lands

JOURNAL OF ENVIRONMENTAL QUALITY, 29(3), 728–737.

Assessment of the condition of agricultural lands in six mid-Atlantic states

JOURNAL OF ENVIRONMENTAL QUALITY, 29(3), 795–804.

Carbon dioxide enrichment and nitrogen fertilization effects on cotton (Gossypium hirsutum L.) plant residue chemistry and decomposition

PLANT AND SOIL, 220(1-2), 89–98.

Induction and/or selection of phenolic acid-utilizing bulk-soil and rhizosphere bacteria and their influence on phenolic acid phytotoxicity

JOURNAL OF CHEMICAL ECOLOGY, 26(9), 2059–2078.

Evidence for inhibitory allelopathic interactions involving phenolic acids in field soils: Concepts vs. an experimental model

Critical Reviews in Plant Sciences, 18(5), 673–693.

The fates and effects of phenolic acids in a plant-microbe-soil model system

In J. G. C. G. F. A. Macias, J. M. G. Molinillo, & H. Cutler (Eds.), Recent advances in allelopathy: I. A. science for the future (pp. 159–166). Cadiz, Spain: Servicio de Publicaciones, Universidad de Cadiz.

Assessment of the condition of agricultural lands in five mid-Atlantic states

Hellkamp, A. S., Shafer, SR, Campbell, C. L., Bay, J. M., Fiscus, D. A., Hess, G. R., … Tooley, M. B. (1998, June). ENVIRONMENTAL MONITORING AND ASSESSMENT, Vol. 51, pp. 317–324.

Biomass of tomato seedlings exposed to an allelopathic phenolic acid and enriched atmospheric carbon dioxide

WATER AIR AND SOIL POLLUTION, 106(1-2), 123–136.

Influence of a mycorrhizal fungus and/or rhizobium on growth and biomass partitioning of subterranean clover exposed to ozone

WATER AIR AND SOIL POLLUTION, 96(1-4), 233–248.

ANALYSIS OF OZONE CONCENTRATION - BIOMASS RESPONSE RELATIONSHIPS AMONG OPEN-POLLINATED FAMILIES OF LOBLOLLY-PINE

CANADIAN JOURNAL OF FOREST RESEARCH, 23(4), 706–715.

INTERACTIONS OF SIMULATED ACIDIC RAIN WITH ROOT-KNOT OR CYST NEMATODES ON SOYBEAN

PHYTOPATHOLOGY, 82(9), 962–970.

RESPONSES OF MICROBIAL-POPULATIONS IN THE RHIZOSPHERE TO DEPOSITION OF SIMULATED ACIDIC RAIN ONTO FOLIAGE AND OR SOIL

ENVIRONMENTAL POLLUTION, 76(3), 267–278.

A role for plant pathologists in global climate change research

Plant Disease, 75(5), 437.

INFLUENCE OF PHENOLIC-ACIDS ON MICROBIAL-POPULATIONS IN THE RHIZOSPHERE OF CUCUMBER

JOURNAL OF CHEMICAL ECOLOGY, 17(2), 369–389.

MYCORRHIZAL MEDIATION OF PLANT-RESPONSE TO ATMOSPHERIC CHANGE - AIR-QUALITY CONCEPTS AND RESEARCH CONSIDERATIONS

ENVIRONMENTAL POLLUTION, 73(3-4), 163–177.

GROWTH-RESPONSES OF FIELD-GROWN LOBLOLLY-PINE TO CHRONIC DOSES OF OZONE DURING MULTIPLE GROWING SEASONS

CANADIAN JOURNAL OF FOREST RESEARCH, 19(7), 821–831.

FORMATION OF ECTOMYCORRHIZAE ON PINUS-TAEDA SEEDLINGS EXPOSED TO SIMULATED ACIDIC RAIN

CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 15(1), 66–71.

INFLUENCE OF SIMULATED ACIDIC RAIN ON PHYTOPHTHORA-CINNAMOMI AND PHYTOPHTHORA ROOT-ROT OF BLUE LUPINE

PHYTOPATHOLOGY, 75(9), 996–1003.

Effects of acidic precipitation on air-borne, soil-borne pathogens and mycorrhizal symbionts of forest trees

In Acid rain and forest resources (pp. 91–109). Washington, DC: USDA.

Effects of acidic precipitation on plant diseases

In Effects of acidic deposition on terrestrial ecosystems (pp. 19–32). Ann Arbor, MI: Ann Arbor Press.

Effects of simulated acid precipitation on foliar and root diseases of forest trees

In EPA Acidic Deposition Ecological Effects Research Peer Review (pp. 67–76).