The work mainly includes:
(1) studying the causes of inheritance and variation of cultivated varieties, revealing genetic mechanisms and genetic rules;
( 2) research and cultivate new crop varieties The basic method is to select and produce new crop varieties with high yield, high strength and high quality suitable for various ecological zones;
(3 ) Collect, organize, evaluate and preserve crop variety resources;
(4) Use biotechnology, nuclear technology, etc. to breed and produce new varieties of crops, use biotechnology, nuclear technology, etc. to breed new crop varieties, and use hybrid vigor, distance hybridization, physical and chemical mutagenesis and other methods to cultivate new varieties;
(5) Carry out tests, evaluations and promotion of new varieties;
(6) Research seed propagation and production technologies and supporting cultivation measures for major crop varieties in agricultural production in ecological zones;
(7) Study patterns of crop growth and development, organ construction, physiological and ecological changes, as well as agricultural planting methods and the agricultural environment.