Evaluation of several fungicides and adjuvant materials for control of brown spot of wild rice.

JA Percich, L J Nickelson

Research output: Contribution to journalArticlepeer-review

Abstract

Several fungicides separately and mancozeb in combination with each of five different adjuvant materials were field-tested for effectiveness in reducing brown spot of wild rice (Zizania aquatica ) caused by Drechslera oryzae (Bipolaris oryzae ) and D. sorokiniana (B. sorokiniana ). The fungicides were applied on wild rice plants at 14-day intervals from early flowering until 26 days before harvest. The following fungicides significantly controlled brown spot (114 L of spray per hectare): benomyl 50WP at 1.1 kg/ha; chlorothalonil 6F at 2.9 kg/ha; mancozeb at 2.3 kg/ha; fenapanil (RH-2161) 50WP at 0.6 kg/ha; and iprodione (RP 26019) 50 flowable at 6.4 kg/ha.
Original languageEnglish (US)
Pages (from-to)1001-1002
Number of pages2
JournalPlant Disease
Volume66
Issue number11
StatePublished - 1982

Keywords

  • control
  • brown spot
  • Zizania aquatica
  • mancozeb
  • cereals
  • plant pathology
  • fungicides
  • benomyl
  • chlorothalonil
  • fenapanil
  • iprodione
  • pinolene
  • spreaders
  • Agronomy (Agriculture)
  • Infection
  • Pest Assessment Control and Management
  • Microbiology Abstracts A: Industrial & Applied Microbiology
  • K 03089:Fungi: plant
  • Microbiology Abstracts C: Algology, Mycology & Protozoology
  • A 01031:Antifungal & fungicidal agents
  • Drechslera oryzae
  • Drechslera sorokiniana
  • treatment

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