Improving christmas rose (Helleborus niger L.) young plants production
2003
Piskornik, M. (Krakow Agricultural University (Poland). Dept. of Ornamental Plants)
At the stage of the first or second leaf christmas rose seedlings were pricked to pots or to multiple pots, the roots being rolled or nipped off during the operation. The quality of young plants was estimated be determining the fresh weight, number, and length of leaves and roots. The best quality of young plants was obtained from christmas rose seedlings pricked at the stage of the second leaf and with roots rolled when planted to pots
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