نتایج جستجو برای: taraxacum
تعداد نتایج: 760 فیلتر نتایج به سال:
Natural rubber (NR) has unique properties which are unmatched by synthetic and is used in over 50,000 products. The only commercial source of NR the Para tree (Hevea brasiliensis) insecure because increasing demand, price instability, high labor costs, trade politics, competition with other crops, deforestation bans preventing new H. brasiliensis acreage, disease. Taraxacum kok-saghyz, root dan...
We tested for ecological differences among apomictic dandelion genotypes in Vancouver, British Columbia, Canada, in order to establish a basis for predicting potential ecological consequences of genetic variation in invading populations. A greenhouse experiment on 30 potential clonal families revealed significant among-family variation for leaf morphological traits, and molecular analyses confi...
DNA methylation is one of the mechanisms underlying epigenetic modifications. DNA methylations can be environmentally induced and such induced modifications can at times be transmitted to successive generations. However, it remains speculative how common such environmentally induced transgenerational DNA methylation changes are and if they persist for more than one offspring generation. We expo...
This paper presents new records and noteworthy data on the following taxa in SE Europe adjacent regions: red algae Hildenbrandia rivularis, saprotrophic fungus Cryptomarasmius corbariensis, lichenised fungi Lecanora stenotropa, Micarea misella Sticta sylvatica, liverworts Fossombronia caespitiformis Peltolepis quadrata, mosses Dicranoweisia cirrata Fissidens exilis, horsetail Equisetum ? moorei...
The present study investigates the qualitative and quantitative analysis of the major bioactive constituents of medicinally important plant Taraxacum officinale in its aqueous and methanol extract of root, stem and flower. Saponins, flavonoids, alkaloids, phenols were highly concentrated in the stem, root and flower, with the higher concentration of flavonoids in the flower extracts. Phenols an...
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