Inheritance studies of low-phosphorus tolerance in maize (Zea mays L.), grown in a sand-alumina culture medium

Inbred lines of maize selected as tolerant and intolerant to low-P stress using a sand-alumina culture medium were used to obtain F₁ hybrids and advanced generations to be evaluated in diallel mating schemes and generation means analyses for the inheritance studies. Sand-alumina, a solid culture med...

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Bibliographic Details
Published in:Plant and soil 1992-10, Vol.146 (1-2), p.189-197
Main Authors: Silva, A.E. da (EMBRAPA/CNPAF, Goiania, Goias (Brazil)), Gabelman, W.H, Coors, J.G
Format: Article
Language:English
Subjects:
ABSORCION DE SUBSTANCIAS NUTRITIVAS
ABSORPTION DE SUBSTANCES NUTRITIVES
Adaptation to environment and cultivation conditions
Agriculture
Agronomy
Agronomy. Soil science and plant productions
Biological and medical sciences
Corn
FOSFORO
Fundamental and applied biological sciences. Psychology
GENETIC INHERITANCE
Genetics and breeding of economic plants
Genotypes
HEREDITE
HERENCIA GENETICA
INBRED LINES
Inbreeding
Life Sciences & Biomedicine
LIGNEE CONSANGUINE
LINEAS CONSANGUINEAS
NUTRIENT UPTAKE
PHOSPHORE
PHOSPHORUS
Plant roots
Plant Sciences
Plants
Science & Technology
Soil Science
Specific combining ability
Stress tests
Tomatoes
Varietal selection. Specialized plant breeding, plant breeding aims
ZEA MAYS
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Summary:Inbred lines of maize selected as tolerant and intolerant to low-P stress using a sand-alumina culture medium were used to obtain F₁ hybrids and advanced generations to be evaluated in diallel mating schemes and generation means analyses for the inheritance studies. Sand-alumina, a solid culture medium, which simulates a slow release, diffusion-limited P movement in soil solution was used in the inheritance studies. Tolerance to low-P stress conditions in maize seedlings is controlled largely by additive gene effects, but dominance is also important.
ISSN:0032-079X
1573-5036
DOI:10.1007/BF00012012