Influence Of Fertilization, Container Root Control And Wind Resistance On The Growth Of Prunus Zippeliana Container Seedlings

In order to establish a scientific and reasonable technology system for plantingPrunus zippeliana container seedlings, experiments were established to evaluate theinfluence of fertilizer rate and root control effect and wind resistance test on growth ofPrunus zippeliana. The main results were as follows:Four concentrations of slow release fertilizer Apex and Osmocote were added in thematrix to study the influence of different fertilizer levels on morphology, biomass andphysiological indexes of2year-old P. zippeliana container seedlings, while fertilizer wasas control. The result showed that at the concentration of6.0kg·m^-3of Apex, plant height,diameter, aboveground biomass, underground biomass, total chlorophyll content, rootactivity differences were significantly higher than other treatments. Height, diameter,aboveground biomass, underground biomass, total chlorophyll content and soluble sugarcontent values of Osmocote treatments at concentration of3.0kg·m^-3were alsosignificantly higher than other treatments. Comparing the comprehensive morphological,biomass, physiological indexes and the cost between Apex and Osmocote,6.0kg·m^-3ofApex was best for2year-old container seedlings fertilization.6kinds of containers were tested in this experiment namely non-woven bags （bottomdiameter of12cm x high16cm, bottom diameter of20cm×30cm）, root controlcontainer （bottom diameter20cm x high30cm, bottom diameter of20cm×60cm）, andwhite plastic pots （bottom diameter23cm x high17cm） as control. Above themorphology, biomass, root configuration and physiological indicators, the indexesincluding height, diameter, height to diameter ratio, ground fresh and dry weight ofunderground fresh and dry weight, root to shoot ratio, root length, the tip number, rootsurface area, root volume, total chlorophyll content, soluble sugar total content indicatorsof non-woven bags （the bottom diameter20cm, height30cm） were excellent. We drewthe conclusion that the suitable root control container for2year-old P. zippelianacontainer seedlings was non-woven bag.There were3kinds of wind resistance treatments in this experiment including stented, half buried in the ground, pot-in-pot treatment, compared with untreated. Pot-in-pottreatment was the best wind resistance measurement for4year-old P. zippeliana,followed by half-buried. The result indicated that pot-in-pot wind resistancemeasurement could be taken first.