caryopsis

(redirected from caryopses)
Also found in: Dictionary, Thesaurus, Medical.

caryopsis

[‚kar·ē′äp·səs]
(botany)
A small, dry, indehiscent fruit having a single seed with such a thin, closely adherent pericarp that a single body, a grain, is formed.
References in periodicals archive ?
In general, morningglory seeds had higher germinability and mean germination rate than barnyardgrass caryopses, but this result may be explained by the scarification to which the morningglory seeds were subjected (Figure 3).
Thermally induced secondary dormancy occurs when high temperatures induce dormancy in imbibed caryopses and is expressed in annual canarygrass at temperatures [greater than or equal to] 20[degrees]C (Matus-Cadiz et al.
Phenolic acids in caryopses of two cultivars of wheat, rye and triticale that display different resistance to pre-harvest sprouting.
Parihar and Pathak's [26] study of the flowering phenology and seed biology of selected tropical perennial grasses revealed that seed germination was very low (depending on percentage seed set), whereas germination in caryopses was much higher (up to 92%).
Shucked seed was hand picked under 5 x magnification to remove all caryopses with apparent damage.
Ahring and Todd (1977) extracted an unknown oil from the thickened glumes in which the buffalograss caryopses are contained.
Callus induction: The immature embryos were excised aseptically from caryopses, and placed with the embryo axis in a contact with a solid agar medium for callogenesis containing the mineral salts of Murashige and Skoog (1962) 30 g L-1 sucrose and 2 mg L-1 2,4-D.
The boxes are then placed in the dark at an ambient temperature of 25 [degrees]C, to cause swelling of caryopses.
Seedlots of each genotype were then separated into size classes, and from those fractions containing the seeds that were the size of the predetermined groat size classes (small, 14-16 mg; medium, 24-26 mg; and large, 3436 mg), seedlots of 200 caryopses each were counted and removed.
Structure et activite fonctionnelle des chloroplastes des antheres et du pericarpe des caryopses de b1e et de seigle.
For example, glume and caryopses lignin content of the wild relative of sorghum, shattercane [Sorghum bicolor subsp, drummondii (Nees ex Steud.
Anisopogon is similar to Stipeae in characters in addition to those used here, such as features of the guard cells (Kellogg & Campbell, 1987), and amino-acid composition of caryopses (Hock-Hin & Watson, 1987).