Techniques of Seedling Cultivation and Establishment of Two-oriented Economic Forests for Prunus padus;

Study of the growth features of Prunus padus and P. maachii Rupr;

Using the regenerative function of plant itself and extensive planting Prunus padus by suckers;

Study on the Total Flavonoids Content in Leaves of Prunus virginiana;

It studied the effection under different kinds of leaching medicament, leaching temperature, leaching time, leaching medicament pH and different rate of Prunus virginiana's leaves and leaching medicament.

Tissue culture of Prunus virginiana Schubert was conducted by dormancy buds and bourgeoning buds.

and Prunus maackii Rupr,we caculated the datas of 40 mean trees and dominant trees from 20 temporary test plots by software of IBMPC program,analyzed the growth progress of tree height,DBH and volume of Prunus padus L.

The Insectici Activities of Crude Extracts from 6 Medicine Plants Against the Larvae of Yponomeutidae evonymellus L.;