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单词 speltoid
释义

speltoidadj.n.

/ˈspɛltɔɪd/
Etymology: < German speltoid (H. Nilsson-Ehle 1917, in Botaniska Notiser 305), < spelt : see spelt n.1 and -oid suffix.
Botany.
A. adj.
Of a wheat: resembling or having certain characteristics of spelt.
ΘΚΠ
the world > plants > particular plants > cultivated or valued plants > particular food plant or plant product > cereal, corn, or grain > [adjective] > of or containing wheat > of, belonging to, or resembling wheat plant > of particular types
pollard?1523
white-bearded1607
red-bearded1634
buckwheat1774
speltoid1920
1920 Hereditas I. 116 A distinctive character of these speltoids..is the short outer glumes, abruptly cut off at the top as in Triticum spelta... Speltoid heterozygotes are also characterized by longer straws and longer and more lax spikes than the mother sort.
1932 Proc. 6th Internat. Congr. Genetics I. 286 Speltoid and dwarf types..are found in the progeny of treated plants of Triticum vulgare.
1975 Proc. Royal Soc. B. 188 149 Reasonably uniform lines were available for test crosses with vulgare and speltoid tester stocks.
B. n.
A speltoid wheat.
ΘΚΠ
the world > plants > particular plants > cultivated or valued plants > particular food plant or plant product > cereal, corn, or grain > [noun] > wheat > types of wheat grain or plant
spelta1000
farc1420
ador?1440
flaxen wheat?1523
Peak-wheat?1523
red wheat?1523
white wheat?1523
duck-bill wheat1553
zea1562
alica1565
buck1577
amelcorn1578
horse-flower1578
tiphe1578
pollard1580
rivet1580
Saracen's corn1585
French wheat1593
Lammas-wheat1594
starch corn1597
St. Peter's corn1597
frumenty1600
secourgeon1600
polwheat1601
duck-wheat1611
kidneys of wheat1611
ograve wheat1616
soft wheat1640
cone-wheat1677
Lammas1677
Poland wheat1686
Saracen corn1687
pole rivet1707
Smyrna wheat1735
hard wheat1757
hen corn1765
velvet wheat1771
white straw1771
nonpareil1805
thick-set wheat1808
cone1826
farro1828
Polish wheat1832
velvet-ear wheat1837
sarrasin1840
mummy wheat1842
snowdrop1844
Red Fife1857
flint-wheat1859
dinkel1866
thick-set1875
spring1884
macaroni wheat1901
einkorn1904
marquis1906
durum1908
emmer1908
hedgehog wheat1909
speltoid1939
1939 F. W. Sansome & J. L. Philp Recent Adv. in Plant Genetics vii. 212 The speltoids differ from the parental type in having lax ears, thick keeled glumes which can only be pulled away from the grain with difficulty, and by the presence of awns.
1975 Proc. Royal Soc. B. 188 156 Spelta and speltoid cannot be distinguished phenotypically... The low frequency of defectives in F2's with base-sterile speltoids indicates a high degree of buffering by the polygenic system.

Derivatives

ˈspeltoidy n. speltoid character.
ΘΚΠ
the world > plants > particular plants > cultivated or valued plants > particular food plant or plant product > cereal, corn, or grain > [noun] > wheat > types of wheat grain or plant > speltoid character
speltoidy1944
1944 Genetics 29 233 Speltoidy (so called because of the resemblance to T. spelta) has been shown..frequently to be due to the effects of a particular monosome.
1958 Nature 28 Jan. 1813/1 Okamato..has shown that chromosome IX is in the A genome, and has thus reduced the historical importance of speltoidy and compactoidy.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2021).
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adj.n.1920
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更新时间:2024/12/24 1:36:01