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Three unripe ears (of barley, wheat, and rye): each has many awns (bristles) An ear is the grain-bearing tip part of the stem of a cereal plant, such as wheat or maize (corn). [1] It can also refer to "a prominent lobe in some leaves." [2] The ear is a spike, consisting of a central stem on which tightly packed rows of flowers grow.
Like einkorn (T. monococcum) and spelt (T. spelta), emmer is a hulled wheat, meaning it has strong glumes (husks) that enclose the grains, and a semibrittle rachis. On threshing, a hulled wheat spike breaks up into spikelets that require milling or pounding to release the grains from the glumes. [7]
Among insect pests of wheat is the wheat stem sawfly, a chronic pest in the Northern Great Plains of the United States and in the Canadian Prairies. [147] Wheat is the food plant of the larvae of some Lepidoptera (butterfly and moth) species including the flame, rustic shoulder-knot, setaceous Hebrew character and turnip moth. Early in the ...
Cephus cinctus, also known as wheat stem sawfly, [1] is a slow flying, yellow and black coloured, destructive pest found mainly in western North America. [ 2 ] [ 3 ] Habit and habitat
In some varieties of winter wheat, plant may be "creeping," or prostrate. 4: Beginning of the erection of the pseudo-stem; leaf sheaths beginning to lengthen. 5: Pseudo-stem (formed by sheaths of leaves) strongly erected. Stem Extension 6: First node of stem visible at base of shoot. 7: Second node of stem formed; next-to-last leaf just visible. 8
Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".
Spikelets of Einkorn wheat, Triticum monococcum Shattering in many crops involves dehiscence of the mature fruit, for example, in Brassica napus.. In agriculture, shattering is the dispersal of a crop's seeds upon their becoming ripe.
Common wheat was first domesticated in West Asia during the early Holocene, and spread from there to North Africa, Europe and East Asia in the prehistoric period. [citation needed] Naked wheats (including Triticum aestivum, T. durum, and T. turgidum) were found in Roman burial sites ranging from 100 BCE to 300 CE.