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新的生长调节剂PP333一直引起英国果树界的极大注意。东茂林和朗阿斯顿的研究人员正在与商业和政府部门的推广专家、果农和化学公司进行协作试验,以评价这个最有希望的生长调节剂。苹果英国的苹果栽培者希望控制但不是完全抑制新梢的伸长生长。通过抑制营养生长可能减少修剪费
The new growth regulator PP333 has drawn great attention in the UK fruit tree community. Researchers at East Maioris and Long Aston are working collaboratively with commercial and government extension specialists, fruit farmers and chemical companies to evaluate the most promising growth regulator. Apple British apple growers want to control but not completely inhibit the elongation of shoot growth. Trimming fees may be reduced by inhibiting vegetative growth