Type

Group (room)

Research content or task

Flow chart

Ecological breeding

1

Ecotype characteristics for natural climate factors and its

wide-ranging adaptability

2

Ecotype of root system, root amount and its absorption rate, resistance to pressure for large amount elements

3

Resistance to diseases and insect pests and multiple resistance

4

Resistance to drought, excessive water, salt, alkali, harmful elements and multiple resistance of cultivars

Yield-ability breeding

1

Seed yield (sink) and its components, economic coefficient or harvest index (flow)

2

Plant morphotype, biological yield (Source), photosynthesis

Quality breeding

1

A large number of nutrition components in seed

2

Small amount of components in seed

Study on high-yielding environment

Character of high-yielding community, utilization of illumination and soil fertility, regular pattern of high-yielding technique

Synthetic study

1

Synthesis and breeding of breeding material and new germplasm completing in above groups

2

Synthesis and development of new cultivar and its high-yielding culture technique

Breeding of transformation gene

Transferring exceptional gene into a crop

Storeroom of germplasm

Accumulating and preserving advantageous genes and genotypes