This paper analyzed and investigated the conclusion of Salvia splendens experiment,put forward the propagation of improved varieties system of Salvia splendens and the technique regulations of the seeds productions,and then laid stress on the propagation of improved varieties of new cultivars to make research.

The propagation of improved varieties of Tectona grandis L.

Studies on application of hanging capsule over plant in tobacco seed reproduction and multiplication.;

Taking the Guantan Village of Xiangfen County, Shanxi province, as the experimental point, this paper introduces the seed-breeding of Guantan date, the famous date in the local area and the high-yield managerial techniques used in the thick-planting garden, which obtains excellent results of "early forming, early becoming effective, and early reaching high-yield".

1" walnut seed-breeding and the management technology of densely-planted high-yield walnut orchard.

Taking the quota design of preliminary design of forest tree species breeding base in hot areas of Yunnan province as an example, the objective determination, means used to realize the objectives, principle of control.