Mandela, the former president of the Republic of South Africa and Nobel Peace laureate, spent more than 40 yearsâ27 of them in prisonâas a central figure in the struggle against South Africaâs brutal and restrictive racial regime called apartheid.
meristem culture. (shoot-tip culture) The culture of excised meristems on suitable nutrient media under aseptic conditions. The stem apex is usually used though axillary meristems may also be taken.Often gibberellic acid must be added to the medium to promote normal growth into a plantlet.shoot-tip culture) The culture of excised meristems on suitable nutrient media under aseptic conditions. The stem apex is usually used though axillary meristems may also be taken. Often gibberellic acid must be added to the medium to promote normal growth into a plantlet.
Meristem âtip cultures has also enabled plants to be freed from other pathogens including Viroids, mycoplasmas, bacteria and fungi. Therefore, main objective of shoot-tip and meristem âtip culture is the production of disease free plants through micro propagation.hoot-tip Culture: It may be described as the culture of terminal (0.1-1.0mm) portion of a shoot comprising the meristem (0.05 -0.1) together with primordial and developing leaves and adjacent stem tissue.