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PP333对不同发育阶段的湖北海棠营养生长和开花的影响
Effects of PP333 on vegetative growth and flowering of crabapple of different developmental stages
【Author】 Jin Yongfeng,Li Zai- long & Chen Daming (Department of Horticulture,Zhejiang Agricultural University , Hangzhou 310029 ,China)
【机构】 浙江农业大学园艺系；
【摘要】 试验研究了PP333对接穗来自湖北海棠成年实生树上不同发育区的嫁接苗的营养生长和开花的影响。结果表明,PP333能显著抑制植株的营养生长,对成年区嫁接苗的抑制作用较强,对童区嫁接苗的抑制作用较弱。PP333诱导转变区嫁接苗的开花,增加成年区嫁接苗的花量,但童区嫁接苗对 PP333处理没有开花反应。
【Abstract】 The apomictic crabapple seedlings (Malus hupehensis) were selected as trial material to study the effects of PP333 on the plants of different developmental stages. The result indicated that PP333 significantly inhibit vegetative growth,with most inhibitory effect on the grafted plants with scions of apical position and least effect on seedlings. PP333 could induce flowering of the grafted plants with scions of transitional zone,with no result in seedlings and grafted plants with scions of juvenile zone.
【Key words】 Crabapple； PP333； Vegetative growth； Flowering； Phase change；
- 【会议录名称】 中国园艺学会首届青年学术讨论会论文集
- 【会议名称】中国园艺学会首届青年学术讨论会
- 【会议时间】1994-12
- 【会议地点】中国浙江杭州
- 【分类号】S661.4
- 【主办单位】中国园艺学会