Effect of ozone on diverse tall fescue germplasm

Journal Article · Sun Jan 01 00:00:00 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), Vol. 54
• Country of Publication: United States
• Language: English

Related Subjects

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