“梨果灵”是利用生物发酵产品试制成功的新型植物生长调节剂,对人畜安全,对环境无污染。“梨果灵”具有促进梨果实肥大和提早成熟的作用,经济效益极其显著。现将三年试验结果简介如下:1.适用品种据对新世纪、新 “Pycnogenol” is a new type of plant growth regulator that is successfully trial-produced by using biological fermentation products, which is safe to humans and animals and has no pollution to the environment. “Pear fruit Ling” pear fruit to promote the role of hypertrophy and early maturity, the economic benefits are extremely significant. Now the three-year trial results are summarized as follows: 1. Suitable varieties According to the new century, new