Kok-Saghyz


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Kok-Saghyz

 

(Taraxacum kok-saghyz), a perennial herbaceous plant of the family Compositae. Kok-saghyz has a taproot, a rosette of leaves, and flower stalks with calathide heads. It is distributed in the interior intermontane valleys of Tien-Shan. It is a rubber-bearing plant; the rubber is found mainly in the latex vessels of the bark of the root. It was first cultivated in 1933, predominantly in the European part of the USSR. After the production of synthetic rubber developed, kok-saghyz was no longer cultivated.

References in periodicals archive ?
kok-saghyz population, and on each site all specimens of this species were recorded, and main biometric indices measured.
kok-saghyz is covered with a well-developed periderm, consisting of phellem, phellogen and phelloderm.
kok-saghyz root structure, it was found that the specimens of population No 2 are characterized by significant development of primary bark (553.12 u) and diameter of the central cylinder is 432.70 u, in which root conductive elements are concentrated (Table 1).
kok-saghyz plants, comprising population No 3, have most developed investing tissue (71.07 u).
kok-saghyz collected from three different populations, have revealed the following conclusions:
kok-saghyz have shown that in the generative period the height of T.
kok-saghyz has enlightened the fact that the plants; regardless of their place of growth; have a similar anatomical structure of the ground bodies investigated, namely, they are characterized by woody roots of secondary structure, and have some main differences of quantitative characters.
In an article published this year in Genetic Resources and Crop Evolution, Kirschner and van Dijk's team reported that although other researchers had previously found wild kok-saghyz to be rare in Kazakhstan, if you knew where and when to look, the dandelion flowered in abundance.
kok-saghyz projects of the 1940s were well acquainted with these rubber-poor imitators.
The darling of the American World War II emergency rubber project was not kok-saghyz but guayule (Parthenium argentatum).