Influence of acidity level in simulated rain on disease progress in four plant pathosystems

C. Lee Campbell, Robert I. Bruck, Judith Pawloski Sinn, S. Bruce Martin

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Field investigations were performed in 1984-1985 on the effects of acidity level in simulated rain on disease dynamics in four pathosystems: alfalfa leaf spot (ALS), peanut leaf spot (PLS), potato late blight (PLB), and soybean brown spot (SBS). Studies were performed in an ambient rain exclusion apparatus with simulated rain acidity levels of pH 2·8, 3·6, 4·2, 4·8, or 5·6 and four plots per pH level. In 1984 for ALS and PLB, rain was simulated three times a week at 6-8 mm per event. For PLS and SBS in 1984 and for PLB, PLS, and SBS in 1985, rain was simulated twice a week at 13-16 mm per event with a 10 min pause halfway through each event. Disease was assessed three times a week. In 1984, no significant effect of acidity level in simulated rain on disease severity was detected in any pathosystem. Severity of PLB differed among treatments in 1985 with significant quadratic and cubic components for the dose-response relationship. PLS severity decreased with increasing level of acidity in simulated rain in 1985 and the dose-response relationship was linear. No differences in severity of ALS or SBS due to acidity of simulated rain were found. Thus, disease response to acidity of simulated rain is system dependent.

Original languageEnglish (US)
Pages (from-to)219-234
Number of pages16
JournalEnvironmental Pollution
Volume53
Issue number1-4
DOIs
StatePublished - Jan 1 1988

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Rain
Acidity
Solanum tuberosum
Soybeans
Medicago sativa
Arachis

All Science Journal Classification (ASJC) codes

  • Toxicology
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

Campbell, C. Lee ; Bruck, Robert I. ; Sinn, Judith Pawloski ; Martin, S. Bruce. / Influence of acidity level in simulated rain on disease progress in four plant pathosystems. In: Environmental Pollution. 1988 ; Vol. 53, No. 1-4. pp. 219-234.
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Influence of acidity level in simulated rain on disease progress in four plant pathosystems. / Campbell, C. Lee; Bruck, Robert I.; Sinn, Judith Pawloski; Martin, S. Bruce.

In: Environmental Pollution, Vol. 53, No. 1-4, 01.01.1988, p. 219-234.

Research output: Contribution to journalArticle

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