ISSN:
1573-5044
Keywords:
rice
;
protein
;
tissue culture
;
in vitro
;
opaque
;
endosperm
;
chalkiness
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Rice, Oryza sativa, plants regenerated from anther culture with and without in vitro selection pressure were evaluated for chalky seed. Progeny evaluated included 21 spontaneously doubled haploids selfed 4 times, progeny from plants regenerated from S-aminoethylcysteine resistant callus selfed 4 times and backcrosses of both types to the parental type. All lines with in vitro histories had higher seed chalkiness than the controls both in the intensity of chalkiness and in the number of seeds expressing the character. The full range of intensity and amount of chalkiness was expressed in the progeny. The average intensity of anther/tissue culture-derived progeny was 4–5, based on a scale of 1 (translucent) to 10 (fully opaque), and the average amount of chalkiness within plants sampled was 50–75 percent. The chalky characteristic is transmitted from parent to offspring into a range of identifiable F2 segregants.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00180798
