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Effects of physical and chemical mutagens on survival, growth, and seed yield of soybeans

Journal Article · · Crop Sci.; (United States)
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To acquire dose-response data, seeds of ''D68 127'' soybeans (Glycine max L. Merr., a sib-line of the recently released ''Forrest'' cultivar) were treated with fission neutrons, gamma radiation, ethylmethane sulfonate, and diethyl sulfate. Treated and nontreated populations were grown in the greenhouse and in the field. In greenhouse-grown populations, survival was unaffected by the neutron doses and by gamma radiation doses less than 70 krads but decreased with an increase in dose of chemical mutagens. Seedling height and shoot dry weight decreased as the dose of each mutagen increased. In fieldgrown populations, survival, height, and seed yield decreased as the dose of each mutagen increased. Seed treatments that reduced seedling height to less than or equal to 10 percent of control in the greenhouse also reduced seed yield to less than or equal to 10 percent of control. Based on seed yield of M/sub 1/ plants, recommended seed treatments are 1.5 to 2.5 krads fission neutrons, 20 to 30 krads gamma radiation, 8-hour soaking in 0.025 to 0.050 M ethylmethane sulfonate, and 90 to 150-min soaking in 0.15 percent by volume diethyl sulfate.

Research Organization:
Univ. of Tennessee, Knoxville
OSTI ID:
7187588
Journal Information:
Crop Sci.; (United States), Journal Name: Crop Sci.; (United States) Vol. 16:1; ISSN CRPSA
Country of Publication:
United States
Language:
English

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Related Subjects

510100* -- Environment
Terrestrial-- Basic Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
550400 -- Genetics
59 BASIC BIOLOGICAL SCIENCES
BARYONS
BIOLOGICAL EFFECTS
DOSES
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
EMS
ESTERS
FERMIONS
FISSION NEUTRONS
FOOD
GAMMA RADIATION
HADRONS
IONIZING RADIATIONS
MUTAGENESIS
MUTAGENS
NEUTRONS
NUCLEONS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PLANT BREEDING
POPULATIONS
RADIATION DOSES
RADIATION EFFECTS
RADIATIONS
SEEDS
SOYBEANS
SULFONIC ACID ESTERS
VEGETABLES