نتایج جستجو برای: common dandelion
تعداد نتایج: 682579 فیلتر نتایج به سال:
The accumulation of heavy metals in plant pollen and nectar exposes pollinators to environmental contaminations. Although honeybees act as biofilters impede the transfer honey, possible antagonistic interactions could negatively affect mineral composition bee-processed nectar. aim this study was assess level harmful (Cd, Pd, Hg, Al, Ni Tl) relation essential macro- (K, Ca Mg) microelements (Mn,...
Natural rubber (NR) is an important raw material for a large number of industrial products. The primary source of NR is the rubber tree Hevea brasiliensis, but increased worldwide demand means that alternative sustainable sources are urgently required. The Russian dandelion (Taraxacum koksaghyz Rodin) is such an alternative because large amounts of NR are produced in its root system. However, r...
Honey bees are threatened by land use changes which reduce the availability and diversity of pollen and nectar resources. There is concern that poor nutrition may be involved in recent population declines, either directly or due to indirect effects on immunocompetence. The larval stage is likely to be the most vulnerable to a poor diet, but the effects of larval nutrition on the disease suscept...
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