Results 41 to 50 of about 1,603 (184)

Destete y desempeño productivo de corderas en una pastura introducida en la Patagonia Austral

open access: yesInformes Científicos y Técnicos (Universidad Nacional de la Patagonia Austral), 2019
En el SE de Santa Cruz, se desarrolló un trabajo con el objetivo de evaluar las pérdidas de corderas de reposición respecto al campo natural y la evolución del peso vivo desde enero a mayo durante dos años (2015-2016 y 2017-2018) en una pastura mezcla de
Miguel Andrade   +5 more
doaj   +1 more source

Molecular identification of the stem rust resistance genes in the introgression lines of spring bread wheat

open access: yesВавиловский журнал генетики и селекции, 2019
A total of 57 introgression lines and 11 cultivars of spring bread wheat developed by All-Russian Institute of Plant Protection and cultivated in the Volga Region were analyzed.
O. A. Baranova   +2 more
doaj   +1 more source

Relationship of Latitude-of-Origin to Winter Survival and to Forage and Seed Yields of Wheatgrass (Agropyron species) in Subarctic Alaska [PDF]

open access: yes, 1992
Five field experiments evaluating and comparing numerous grasses were conducted over seven years at the Matanuska Research Farm (61.6°N) near Palmer in southcentral Alaska.
Helm, D. J., Klebesadel, Leslie J.
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Fire effects on the composition of soil seed bank and soil properties in Iran

open access: yesAgrosystems, Geosciences &Environment, Volume 8, Issue 3, September 2025.
Abstract Fire is a frequent phenomenon in rangelands and because of its complicated and different effects on natural ecosystems, it has great importance. Awareness of such fire effects on vegetation cover in point of rangeland management after fire is important and helps better understanding and sustainable management of rangelands.
Rouhollah Rezaei   +3 more
wiley   +1 more source

Evaluation of Fifteen Cultivars of Cool‐Season Perennial Grasses as Biofuel Feedstocks Using Near‐Infrared

open access: yesAgronomy Journal, Volume 109, Issue 5, Page 1923-1934, September–October 2017., 2017
Core Ideas Harvest yield varies more across species than sugar content and accessibility. Harvest yield and sugar accessibility are both critical parameters for conversion. Near‐infrared/partial least square models are valuable for quickly evaluating biomass for bioconversion.
Courtney Payne   +4 more
wiley   +1 more source

Repeated DNA Sequence 350bp Family Cloned from Agropyron intermedium for Identification of the Agropyron Chromosomes Added to Common Wheat Lines.

open access: yesJapanese Journal of Breeding, 1994
Repeated DNA sequences cloned from Agropyron intermedium (2n =42, E1E1E2E2XX) enabled to identify the Ag. intermedium chromosomes in the common wheat genome by Southern and in situ hybridization. Four repetitive DNA clones that did not hybridize to the total genomic DNA of Triticum aestivum cv.
openaire   +2 more sources

Типовые и аутентичные образцы таксонов родов Agropyron P. Gaertn. и Elytrigia Desv. (Роасеае) в Гербарии Харьковского национального университета имени В.Н.Каразина (CWU) [PDF]

open access: yes, 2015
В статье приведен перечень типового гербарного материала валидных и невалидных таксонов (видов и форм) родов Agropyron P. Gaertn. и Elytrigia Desv. (Роасеае), хранящихся в Гербарии Харьковского национального университета имени В.Н.Каразина (CWU). Среди
Гамуля, Ю.Г., Серая, О.Е.
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Seeding versus natural regeneration: a comparison of vegetation change following thinning and burning in ponderosa pine [PDF]

open access: yes, 2001
The decision whether to seed with native species following restoration treatments should be based on existing vegetation, species present in or absent from the soil seed bank, past management history, microclimate conditions and soils. We installed three
Covington, W. Wallace   +4 more
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Geographical distribution and aspects of the ecology of the hemiparasitic angiosperm Striga asiatica (L) Kuntze: A herbarium study [PDF]

open access: yes, 1997
Striga asiatica (Scrophulariaceae) is an obligate root hemiparasite of mainly C-4 grasses (including cereals). It is the most widespread of the 42 Striga species occurring in many semi-tropical, semi-arid regions of mainly the Old World.
Cochrane, V., Press, M.C.
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