نتایج جستجو برای: centaurea depressa m bieb

تعداد نتایج: 540293  

Journal: :E3S web of conferences 2021

Due to the lack of information on influence environmental factors accumulation pyrrolizidine alkaloids and their content in certain species this family Boraginaceae, aim study was assess level aboveground under-ground parts Symphytum asperum Lepech., S. caucasicum M. Bieb., Echium vulgare L., Pulmonaria mollis Wulfen ex Hornem. depending climatic, orographic edaphic conditions. The localization...

Journal: :Chemical and Pharmaceutical Bulletin 1981

DOR: 98.1000/2383-1251.1398.6.129.11.1.1575.41 Extended abstract Introduction: Interference includes competition for environmental potentials and allelopathy. By releasing chemical compounds, usually of secondary metabolites, in various ways such as root exudation, decomposition, leaching and volatilization, allelopathic weeds may have positive, negative or even neutral effects on crops. ...

Journal: :Contemporary Agriculture 2021

Summary Allelopathic effects of different plant allelochemicals have become the focus studies that aim to determine new pesticidal compounds. Plant extracts with chemical compositions can be obtained using methods extraction, whereas dealing allelopathic properties use biotests obtain fast and precise results. Such were undertaken after noticing industrial hemp (Cannabis sativa L.) on surroundi...

Journal: :GSC biological and pharmaceutical sciences 2021

Narman district is located at Eastern Anatolia Region of Turkey. Average altitude 1650 m, annual total precipitation about 420 mm. In study area main economic activity animal husbandry and production has made traditional practices, based on rangelands. This carried out to determine honey plants, frequently visited by bees in 20 different locations Narman. Total 56 plant species were determined ...

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