soil biologic quality as influenced by lead (pb) contamination under centaurea (centaurea cyanus) vegetation

influence of microbial inoculation of a pb-contaminated soil on growth, some physiological properties, and uptake and translocation of pb, fe, and zn by centaurea (centaurea cyanus)

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Centaurea solstitialis Invasion Success Is Influenced by Nassella pulchra Size

Replacement of perennial grasses with non-native annual grasses in California’s Central Valley grasslands and foothills has increased deep soil water availability. Yellow starthistle (Centaurea solstitialis), a deep-rooted invasive thistle, can use this water to invade annual grasslands. Native perennial bunchgrasses, such as Purple needlegrass (Nassella pulchra), also use deep soil water, so t...

تأثیر آلودگی سربی(Pb ) بر کیفیت بیولوژیک خاک تحت پوشش گیاهی گل گندم ( Centaurea cyanus )

Sesquiterpene Lactones from Centaurea Solstitzalis

Eight sesquiterpene lactones were isolated from Centaurea solstitialis (yellow starthistle). They are solstitialin A, repin, subluteolide, acroptilin, janerin, cynaropicrin, and the new &tones solstitiolide and episolstitiolide.

بررسی اثربخشی عصاره‌های الکلی گیاه Centaurea cyanus بر فرم منفرد و بیوفیلمی شش باکتری پاتوژن

Introduction: Nowadays, the treatments of infectious disease are regarded difficult due to increasing antibiotic resistance among pathogenic bacteria, which the reason may be placing of microorganisms in a structure named biofilm. Biofilms are complex structures consisting of surface-attached bacteria. Therefore, it is essential to find new compounds in order to remove and inhibit biofilms. Thi...

An Antibacterial Principle from Centaurea Maculosa.

Cantaurea maculosa, the spotted knapweed, is a common wild plant, aqueous extracts of which demonstrate antibacterial activity against gram-positive and gram-negative bacteria. Of 13 species of Centaurea screened for antibacterial activity by Osborn (1943), only three yielded extracts that were inhibitory to the growth of Staphylococcus aureus and none was active against Escherichia coli. Our C...