achene

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a·chene

(ă-kēn')

A small one-seeded fruit.

[G. a- priv., + chainō, to yawn]

achene

a small, dry, INDEHISCENT, one-seeded fruit with a thin PERICARP seen, for example, on the surface of strawberry ‘fruits’. See Fig. 7 .

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References in periodicals archive ?

A linear increase in days to achene formation was also recorded with each increment in plant population as well as nitrogen fertilizer application.

NARROW PLANT SPACING AND NITROGEN APPLICATION ENHANCES SUNFLOWER (Helianthus annuus L.) PRODUCTIVITY

Bakhat [5] worked out that hybrid DKS-4040 was the best for achene's yield (3389 kg ha-1) in Peshawar valley.Noman [6] reported that XIYU-12 gave maximum harvest index(24.66), where as SF-187 gave maximum achene's yield(3891 kg ha-1) Selection of hybrids with characteristics which are best suited to our agro-ecological conditions needs emergent attention.

GROWTH AND YIELD PERFORMANCE OF VARIOUS SPRING PLANTED SUNFLOWER (HELIANTHUS ANNUS L.) HYBRIDS UNDER SEMI-ARID CONDITIONS OF SARGODHA, PAKISTAN

Groundsels are self-fertilizing plants that produce parachute-adorned achenes that carry seeds considerable distances by wind.

An antique microscope slide brings the thrill of discovery into a contemporary biology classroom

We examined anthocarps with a light table to verify presence of an achene prior to planting.

Germination of seeds in the endangered Abronia macrocarpa

Birch Samaras 33 Betula glandulosa Dwarf birch Samaras 32 Shepherdia canadensis Buffaloberry Achenes 1 Arctostaphylos uva-ursi Kinnikinnick Seeds 9.5 Rubus sp.

Plant macrofossils associated with an early Holocene beaver dam in interior Alaska

With the exception of Potamogeton achenes which were determined using the manuscript by Jessen (1955), subfossil seeds and achenes were identified using the text by Montgomery (1977).

An illustrated catalogue of macroscopic subfossils from late-Pleistocene and Holocene westland deposits in northern Indiana

The work was conducted in a germination chamber with seeds (achenes) collected at two sites and in two years in western Nebraska.

Germination of threadleaf sedge (Cyperaceae: Carex filifolia) *

Unlike most heteromorphic composites, achene morphology in H.

Seed morphometrics and adaptive geographic differentiation

Cypsela or achene? Refining terminology by considering anatomical and historical factors.

Physical quality of seeds of Moquiniastrum polymorphum/Qualidade fisica de sementes de Moquiniastrum polymorphum

Harvest index (%) = Achene yield/biological yield x 100

Efficacy of Boron as Foliar Feeding on Yield and Quality Attributes of Maize (Zea mays L.)

The oil composition of the achene yield obtained during harvesting was determined with gas chromatography in accordance with the prescriptions of the Hungarian Standard (MSz ISO 5508: 1992).

THE IMPACT OF CROP YEAR AND A FEW AGROTECHNICAL ELEMENTS ON THE FATTY ACID COMPOSITION OF LO AND HO SUNFLOWER (HELIANTHUS ANNUUS L.) OIL

In Cypereae, the main variations at the flower level (Table 2) relate to the presence or absence of perianth parts, the presence or lack of a gynophore, stamen number, stigma branches number, form and orientation of the ovary (and then achene) and style base persistency.