Simplifying the conditions of potato micropropagation can improve the efficiency of minituber production | Kartupeļu mikroaugu audzēšanas apstākļu vienkāršošana pēdējā pasāžā var uzlabot sīkbumbuļu audzēšanas efektivitāti
2018
Dimante, I., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Faculty of Agriculture;Latvia Univ. of Life Sciences and Technologies, Priekuli, Priekuli parish, Priekuli Municipality (Latvia). Inst. of Agricultural Resources and Economics. Priekuli Research Centre | Gaile, Z., Latvia Univ. of Life Sciences and Technologies, Jelgava (Latvia). Faculty of Agriculture
Simplifying the production technologies can improve the effectiveness of potato (Solanum tuberosum L.) minituber production. In this study, the effect of four modifications of the growing conditions of potato microplants during the last passage was evaluated and changes in microplant morphology were assessed. Microplants were grown: a) in glass test tubes filled with MS medium without vitamins (one plant per tube) and in plastic food containers (ten plants per container) filled with; b) MS medium without vitamins; c) MS medium with vitamins and d) half strength MS medium without vitamins. Mininitubers were produced from microplants obtained in greenhouse in pots (one plant per pot) filled with peat substrate. Fresh weight, root fresh weight and root/shoot ratio of microplants was significantly higher under c) conditions. Under variant d) root/shoot ratio was significantly lower mainly because of the smaller root mass. Nevertheless, different microplant morphology caused by the modified growing conditions did not affect subsequent number and mean fresh weight of minitubers.
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