improved variety造句

breeding improved variety

good seed strain; improved variety of seed

Selection and breeding of procedure and request of the main broadleaf trees improved variety

The paper proposes that the government must carry on reform or consummation on the present improved variety subsidy.

The live pig formalization cultivation level was still low, the degree of improved variety is not high;

Rate of new lines provided to yield trials is 16.94%for anther culture breeding, 1.49 times that of the conventional breeding; and the rate of improved variety obtained from anther culture is 0.93%, 3.32 times comparing with that from conventional breeding.