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箭胡毛杨为杨树新培育品种，在其良种繁育中，采穗圃建设是重要环节。通过对４种不同采穗母株的作业方式和４种不同定植密度处理与母株产穗量的分析，探明了箭胡毛杨良种采穗圃营建的主要技术问题。结果表明，５、１０、１５、２０ ｃｍ ４种母株截干作业对穗条的生产量影响差异性显者；３０ ｃｍ × ４０ ｃｍ、 ４０ ｃｍ × ５０ ｃｍ、 ４０ ｃｍ × ６０ ｃｍ、 ５０ ｃｍ × ６０ ｃｍ ４种密度处理对有效穗条的生产量影响差异性显著； ５ ｃｍ与１０ ｃｍ截干作业处理之间对有效穗条产量影响差异性不显著；５、１０、１５ｃｍ处理之间对总穗条产量影响差异性不显著； ４０ｃｍ×５０ｃｍ、４０ｃｍ×６０ｃｍ、 ５０ｃｍ×６０ ｃｍ密度处理之间对有效稳条产量影响差异性不显著；采穗母株作业方式与定植密度间存在互作效应； ４０ ｃｍ× ５０ ｃｍ株行距配合 ５～ １０ ｃｍ截干作业方式可提高苗圃单位面积的穗条产量。
Arrow Hu Yang for poplar cultivation of new varieties, breeding in their breeding, sprouting garden construction is an important part. Through the analysis of the operation modes and the four kinds of planting densities of four different spike mother plants and the yield of the parent plant, the main technical problems of the construction of the sprout garden of the Gypsophila paniculata were explored. The results showed that the effects of 4, 10, 15, 20 cm cuttings on the yield of spikelets were significant. × 60 cm. There was significant difference in the yield of effective spike between the treatments of 4 kinds of density treatments. The difference between the treatments of 5 cm and 10 cm for the effective spike was not significant. There was no significant difference in the effect of total spike yield. The difference in density between 40 cm × 50 cm, 40 cm × 60 cm and 50 cm × 60 cm did not affect the yield of effective stable yield. There was interaction between the operating mode and planting density Effect; 40 cm × 50 cm row spacing with 5 ~ 10 cm truncated practices can increase nursery per unit area of spike yield.