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Proceedings Volume 2010 (format .pdf) - SimpBTH

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from minitubersfrom plantlets8.637.946.506.196.446.44Ostara Christian RoclasFig 4. The number of tubers produced in the experimental variants perlite substrate(NIRPSB Brasov, 2009)Table 3. Influence of cultivar on the number of tubers derived from experience perlite(NIRPSB Brasov, 2009)CultivarAverage number of Difference + Significancetubers obtained/-No. %Ostara 6,34 100,00 - -Christian 8,28 130,59 +1,94 ***Roclas 6,44 101,57 +0,10 nsDLa 5% =0,1009tub. DLa 1% =0,1528tub. DLa 0,1% =0,2455tub.If biological material influences the results are very significant forChristian and Roclas (table 4).Table 4. Influence of biological material on the number of tubers derived from experienceperlite (NIRPSB Brasov, 2009)CultivarAverage number of Difference + Significancetubers obtained/-No. %minitubers 7,19 100,00 - -plantlets 6,8566 95,36 -0,3334 oooDLb 5% =0,0739 tub. DLb 1% =0,1062 tub. DLb 0,1% =0,1563 tub.c. Results on the reaction of potato varieties on expanded clayAnother substrate used was expanded clay from Hungary. Experience hasalso included three cultivars, biological material and is formed either minitubers orfrom plantlets.73

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