Application and prospect of modern biotechnique in plant production;

Uniconazole is a high efficient plant growth retardant,which was applied extensively in many aspects of plant production in recent years.

Research and application of paclobutrazol(PP333) in production from the aspects of tissue culture,resistance,yield and quality as well as paclobutrazol residues are reviewed to facilitate applied research of paclobutrazol(PP333) in plant production.

The introduction of a new model focusing on the culture of talents majored in vegetation production,embodies the need for hi-tech talents in agriculture during the process of modernization construction.

Analyses of the changes in desertified land area,water resource availability,land use,and plant productivity in Horqin Sandy Land in recent 50 years showed that from 1950 to the late 1980s,the land desertification in Horqin Sandy Land had a rapid expansion,but reversed since then.