Results 91 to 100 of about 12,100 (224)
Acta Agriculturae Scandinavica. Section B, Soil and Plant ScienceWeed competition represents a major constraint to sesame (Sesamum indicum L.) productivity, with yield losses of up to 90% reported due to uncontrolled weed infestations.
Hussein Ahmed Nur Yusuf +2 more
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DNA barcode assessment of Xanthium section Xanthium cockle burrs in Australia
Plant Systematics and EvolutionAbstract Xanthium cockle burrs are invasive weeds in many countries, affecting local ecosystems and agriculture. All Xanthium in Australia are naturalised weeds from multiple overseas sources, but their taxonomic identities are contentious.
David Gopurenko +9 more
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Географічна структура урбанофлори Харкова [PDF]
, 2014 Осуществлен географический анализ урбанофлоры Харькова (согласно классификации Ю.Д. Клеопова). Выделено 13 типов геоэлементов с 32-мя геоэлементами.
Звягінцева, К.О.
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Notes on the Asteraceae of Sumatera [PDF]
, 2002 An account of the tribe composition, endemic taxa, comparison with adjacent areas and weedy Asteraceae of Sumatera is given. Based on the records of January 2000, there are 133 species of 74 genera in 11 tribes.
TJITROSOEDIRDJO, S. S. (SRI)
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Géographie des plantes de La Alcarria de l’Ouest et “Mesa” d’Ocaña (II). Analyse de provenance à cinq localités représentatives [PDF]
A partir de inventarios florísticos efectuados en el año hidrológico 2002-03 en cinco cuadrículas U.T.M. de 1 km², que forman un transecto representativo en La Alcarria Occidental y Mesa de Ocaña (AM), se continúa el análisis de espectros biológicos ...
Garcia-Abad Alonso, Juan Javier
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РОЛЬ СВАЛОК И ПОЛИГОНОВ ТВЕРДЫХ БЫТОВЫХ ОТХОДОВ В ФОРМИРОВАНИИ АДВЕНТИВНОЙ ФЛОРЫ ТВЕРСКОЙ ОБЛАСТИ [PDF]
, 2006 В 2004-2005 гг. изучена флора 20 свалок и полигонов ТБО, расположенных на территории Тверской области. Выявлено 297 видов адвентивных растений. Проанализирована широта распространения видов.
Нотов, А.А.
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Preliminary Biochemical study of Aqueous, Ethanolic and Alkaloids Extracts of Xanthium Spinosum L.
مجلة علوم ذي قار, 2019 An aquous hot and cold aquous extracts and ethanolic extracts beside alkaloids fraction for Xanthium Spinosum L. have been prepared.Qualitative tests have been carried out for detection of their general chemical composition, and UV-Visible spectra ...
W. S.Abdul-Hassan El-shebany
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Comparative chromatography of chloroplast pigment [PDF]
, 1969 Methods for isolation of low concentration pigments of the cocklebur species are described. The methods entail two step chromatography so that the different sorption properties of the various pigments in varying column parameters can be utilized ...
Grandolfo, M., Sherma, J., Strain, H. H.
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A BRIEF REVIEW ON PHYTOCHEMISTRY AND PHARMACOLOGICAL ACTIVITY OF XANTHIUM STRUMARIUM L.
FUUAST Journal of Biology, 2019 Xanthium strumarium Linn. is one of the medicinally valuable herb belongs to genus Xanthium of family Compositeae. The plant occurs allover Pakistan, India, China, Eurasia and also in America. The trade name is Cocklebur and Chotadhatura while generally
AMINA SULTANA +5 more
doaj
Publications of the NASA space biology program for 1980 - 1984 [PDF]
A listing of 562 publications supported by the NASA Space Biology Program for the years 1980 to 1984 is presented. References are arranged under the headings which are plant gravitational research, animal gravitational research, and general.
Pleasant, L. G., Solberg, J. L.
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