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標題: 割接應用在聖誕紅盆花生產之研究
The Study of Cleft Grafting Application in Pot Poinsettia Production
作者: 高銓弘
Kao, Chung-Hong
關鍵字: cleft grafting;割接;poinsettia;聖誕紅
出版社: 園藝學系
本研究以兩個實生選育品種''8302''和''8305''以及兩個商業栽培品種''Peter Star''和''Supjibi''作為試驗材料,探討割接應用在聖誕紅盆花生產對分枝數及植株高度的影響。
實生選育品種''8302''及''8305''割接在商業品種之後,在植株高度方面,''8302''和''8305''割接在''Peter Star''品種,分別可以降低植株高度達49﹪及26﹪。在分枝數方面,''8302''和''8305''割接在''Peter Star'',分別可以增加1.9倍及3.1倍。
商業栽培品種''Peter Star''和''Supjibi''應用割接之後,就株高及分枝數方面對''Peter Star''並沒有顯著的影響,但是''Peter Star''割接在''8305''品種之後會對苞葉顏色產生改變,顏色會變的較為鮮紅,而這種顏色的改變和分枝性相同,可以隨著營養繁殖保持下去。''Supjibi''割接在''Peter Star''之後,分枝數可由8個分枝增加到8.9個分枝,並且也有促進發根的效果。

Two selected seedling clones ''8302'' and ''8305'' poinsettia, and two commercial cultivars ''Peter Star'' and ''Supjibi'' were used in this study to investigate if cleft-grafting could be useful for pot poinsettia production in order to control branching and height.
After cleft-grafting poinsettia ''8302'' and ''8305'' on ''Peter Star'', The plant height was reduced by 49% and by 26% and the branching number was increased 1.9 times and 3.1 times, respectively.
Plant height and branching number did not have significant difference while ''Peter Star'' and ''Supjibi'' were cleft-grafting on ''Peter Star''. However, bract color becomes more reddish than ever after ''Peter Star'' was cleft-grafting on ''8305''. This characteristic will be maintained via vegetative propagation, and so as the characteristic of branching number. The average branching number was increased from 8 to 8.9 and rooting was promoted as ''Supjibi'' was cleft-grafting on ''Peter Star''.
Advantages of cleft-grafting in pot poinsettia production were described above, however, the deficits of cleft-grafting, exceeded branching angles and loose plant forms, were also founded in these studies. Therefore, to obtain the real advantages of cleft-grafting, preliminary test should be made before applying this method on pot poinsettia production.
Appears in Collections:園藝學系

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