华山新麦草 - 百度百科
网页华山新麦草（Psathyrostachys huashanica Keng ex P. C. Kuo）是禾本科、新麦草属多年生草本植物。 具延长根茎。 秆散生，高40-60厘米，径2-3毫米。 叶鞘无毛，基部褐紫色或古铜色，长于节间；叶舌长约0.5毫米，顶具细小纤毛；叶片扁平或边缘稍内卷，宽2-4毫米，分蘖者长10-20厘米。 穗状花序长4-8厘米，宽约1厘米；穗轴很脆，成熟时逐节断落，节间长3.5-4.5毫米，侧棱具硬纤毛，背腹面具微毛；小穗2-3枚生于1节，黄绿色，含1-2小花；花 …
The addition of Psathyrostachys Huashanica Keng 6Ns large …
网页2024年7月18日 — The Psathyrostachys huashanica Keng (P. huashanica, 2n = 2x = 14, NsNs) is regarded as a superior species to improve wheat breeding because of its multi-resistance, early maturation and numerous tiller traits.
Frontiers | Identification of a Wheat-Psathyrostachys huashanica …
网页2021年12月8日 — As a wild relative of common wheat, P. huashanica is favored by many wheat breeders because it possesses numerous agronomically beneficial traits, such as early maturity, dwarf stature, disease resistance (to scab, stripe rust, powdery mildew, and take-all), and tolerance to abiotic factors (cold, drought, salinity, and infertile soil; Chen et a...
华山新麦草 Psathyrostachys huashanica——国家重点保护野生植 …
网页叶鞘无毛，长于节间；叶扁平或边缘稍内卷，边缘粗糙。. 穗状花序长4~8厘米，穗轴成熟时逐节断落，侧棱具硬纤毛，背腹面具微毛，每节具2~3小穗。. 小穗黄绿色，具1~2小花；颖锥形，粗糙。. 外稃粗糙，第一外稃长0.8~1厘米，先端具芒长5~7毫米；内稃等长于 ...
Rapid identification of Psathyrostachys huashanica Keng …
网页2023年10月1日 — Psathyrostachys huashanica Keng (2n=2x=14, NsNs) is an endangered species from Hordeinae that naturally grows in the high altitude area of Huashan Mountain (Shaanxi, China) (Baden 1991). Because of its many desired traits, such as high tolerance to wheat disease and abiotic stress (Ørgaard and Heslop-Harrison 1994; Song …
Development and application of specific FISH probes for karyotyping
网页2022年4月18日 — Thus, the objectives of this study were to: (1) develop a FISH-based karyotype specific for the P. huashanica Ns-genome chromosomes; (2) validate the P. huashanica chromosome-specific FISH markers in common wheat and wheat-related species; and (3) identify wheat–P. huashanica derivative lines using the …
Cytogenetic and marker assisted identification of a wheat ...
网页2021年8月10日 — Psathyrostachys huashanica Keng f. ex P.C.Kuo (2n = 2x = 14, NsNs), is a unique perennial wild species in the Mount Hua area, ShaanXi province. This species is one of national protected rare plant in China, and could …
Anatomy and Cytogenetic Identification of a Wheat-
网页2015年10月13日 — Psathyrostachys huashanica Keng (2 n = 2 x = 14, NsNs) is a wild relative of common wheat, which is only found on Huashan Mountain, a branch of the Qinling Mountain Range in Shaanxi province, China. It possesses many potentially valuable traits such as abiotic stress tolerance, resistance to disease, and early maturation [ 10 ].
Genetic diversity of the endangered and endemic species …
网页2006年4月1日 — Psathyrostachys huashanica is a perennial grass belonging to Triticea, and it is a wind pollinated outbreeding species. Psathyrostachys is distributed in center of middle Asia and Caucasus Mt., while P. huashanica, a species endemic to China, is only located in Huashan Mountain in Shaanxi Province ( Instituto Botanico Boreali-occidentali ...
Characterization of wheat - Psathyrostachys huashanica small …
网页Psathyrostachys huashanica Keng (2n = 2x = 14, NsNs), a distant wild relative of common wheat, possesses rich potentially valuable traits, such as disease resistance and more spikelets and kernels per spike, that could be useful for wheat genetic improvement.