冀粱2号(原代号河农16一l)由河北省科委资助,河北农业大学农学系育成。选育过程:1972年从美国杂交种NK222中分离选择优质、抗蚜后代,1 975年从中选出优抗75一1,并与我国优质地方品种象牙白杂交,经连续自交选择,并进行两轮姊妹系间杂交育成。1986年开始在生产上推广试种,同时参加河北省区试,1986一1987年共10个点次区试平均产量达502.Zkg/亩,超过对照冀杂6号5.6%,1992年经河北省品种审定委员会正式审定 Ji Liang 2 (formerly River Agriculture 16 a l) funded by the Hebei Provincial Science and Technology Commission, Department of Agronomy, Agricultural University of Hebei bred. Breeding process: In 1972, the United States from the hybrid NK222 hybrid seed selection of high-quality, resistance to aphids offspring, from which elected in 1975, the excellent resistance 75-1, and with our high-quality local hybrids ivory white, by continuous self-selection, and Two sisters system bred. 1986 began to promote production in the trial planting, while participating in the Hebei provincial trial, 1986-1987 a total of 10 points sub-district test the average yield of 502.Zkg / mu, more than 5.6% of the control Ji Zang 6, 1992 by Hebei Provincial Variety Approval Committee formally validated