Effect of nitrogen levels on growth and development of three Lisianthus (Eustomagrandiflorum(Raf.) Shinn) cultivars pot-planted in Ho Chi Minh City
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Abstract
Lisianthus (Eustoma grandiflorum (Raf.) Shinn) is favored in deco-ration because of its long-lasting and colorful flowers. The objectiveof the experiment was to evaluate the effects of different levelsof nitrogen on the growth and development of three Lisianthuscultivars pot-planted in Ho Chi Minh City. The experiment was laidout in split - plot design (SPD) with four levels of nitrogen (3; 4; 5;6 g/pot) being the main factor and three lisianthus cultivars (Pink;Yellow; White/Purple) being the subordinate factor. Each pot wasplanted with one plantlet. The results indicated that plants appliedwith 4.0 g nitrogen per pot gave the best performance in plantheight (18.41 cm) and number of leaves (24.08 leaves/plant) at 60days after planted (DAP). The Pink cultivar reached the highestplant height (19.92 cm), number of leaves (43.53 leaves/plant)as well as number of flowers buds (12.31 buds/plant). The Pinkcultivar, when applied with 4.0 g nitrogen/pot, gave the highestplant height (21.38 cm) at 60 DAP.
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References
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