Effect of ozone on diverse tall fescue germplasm

Journal Article · Sun Jan 01 04:00:00 EST 1978 · Agron. Abstr.; (United States)

OSTI ID:5227030

Johnston, W J; Dickens, R; Haaland, R L

Six tall fescue (Festuca arundinacea Schreb.) genotypes of diverse origin (Algeria, Australia, France, Netherlands, Morocco, and a Kentucky 31 type) were evaluated for O/sub 3/ tolerance under controlled environmental conditions. In two tests on clonal parent material, (1) O/sub 3/ constant 0.3 ppm and exposure varied 0-12 hr and (2) O/sub 3/ concentration varied 0-0.5 ppm and exposure varied 1-3 hr, the Australian and Kentucky 31 selections were superior to all others in O/sub 3/ tolerance. Sixteen-day old polycross progeny of the six selections were exposed to 0.5 ppm O/sub 3/ for 0, 3, or 6 hr. Progeny of the Australian and Kentucky 31 selections were superior to some, but not all other selections. Increased duration of exposure increased damage only slightly. It would appear that O/sub 3/ tolerance is a heritable characteristic that can be easily detected and selected for in tall fescue.

• Research Organization: Auburn Univ., AL
• OSTI ID: 5227030
• Journal Information: Agron. Abstr.; (United States), Journal Name: Agron. Abstr.; (United States) Vol. 54; ISSN AGABB
• Country of Publication: United States
• Language: English

Related Subjects

560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
BIOLOGICAL EFFECTS
BIOLOGICAL VARIABILITY
GENETIC VARIABILITY
GRASS
OZONE
PLANTS
POLLUTION
RESPONSE MODIFYING FACTORS
SENSITIVITY
TOLERANCE