1明确建立穗行圃的目的建立小麦穗行圃的目的是对在生产上有推广价值的小麦良种进行提纯、保纯、选优、复壮,提高良种质量,延长品种使用年限,提高大田用种纯度,充分发挥品种的增产潜力。2制定完善的生产计划按“二圃一田”(穗行圃、原种圃、良种田)的要求,冬小麦当年建立的穗行圃,其种子4年以后才能 A clear purpose to establish a spike row garden The purpose of establishing a spike row of wheat is to promote the production of valuable wheat varieties to purify, pure, selection, rejuvenation, improve the quality of varieties, extend the useful life of varieties and improve the field use Purity, give full play to the yield potential varieties. 2 to develop a sound production plan According to “two nursery a field ” (spike row nursery, the original nursery garden, good farming) requirements, winter wheat ear sprouts established that year, the seed only after 4 years