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紫薇品種資源調(diào)查及應用畢業(yè)論文-免費閱讀

2025-02-10 03:39 上一頁面

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【正文】 品種是花卉生產(chǎn)的基礎材料,優(yōu)良品種是生產(chǎn)優(yōu)質(zhì)花卉產(chǎn)品的關(guān)鍵。一年生苗木可以制作微型帶花盆景,兩年生以上紫薇可作中大型盆景,根據(jù)設計類型,綁扎修剪逐年成型,或嫁接到野生紫薇的古樹老樁上,觀賞價值更高。每次花謝后隨時剪去殘花,防止結(jié)果,減少養(yǎng)料消耗。重剪主側(cè)枝、延長枝,壓縮老枝,使春季萌芽分枝多,開花早。修剪的主要目的是調(diào)整樹形結(jié)構(gòu),促進多分枝多開花、多次開花、老樹更新、延長花期,達到主干矮,分枝低而均勻緊湊,生長整齊,樹冠開心,通風透光。另外,紫薇還可于春季萌芽前利用根部蘗生小苗進行分株繁殖。2 紫薇繁殖 2.1 繁殖方式紫薇的繁殖方式有多種,扦插、播種、分株都可以,但是最常用的方法是扦插和播種.   在10~11月采下蒴果,經(jīng)晾曬,果實開裂,去皮凈種。7月初開花,可連續(xù)開到霜降,花鮮紅色,花量大,色彩艷麗,花在晴天是猩紅色,多云涼爽時花色變淡,可能有白斑,是珍貴的大紅紫薇品種。在園林中可用于孤植或叢植,是制作盆景、樁景的良好素材。紫薇樹形優(yōu)美,樹皮光滑,老樹表皮片狀剝落,樹干蒼潤,古雅珍奇。s important flowering trees, Lagerstroemia genus Lythrum salicaria, also known as the hundred days of red, full house, itch tree。 its beautiful tree trunks smooth, clean, beautiful color, blossom in summer and autumn season when less flowers, long flowering period, from June to September can be opened, summer green eyes, the red house praise, flowering, stem, root bonsai view view of material, but also the important garden ornamental tree species in summer and autumn. Crape myrtle has the characteristics of long flowering period, flower color, resistant to pollution, Rizhao City carried out a large number of planting of crape myrtle, based on the investigation of germplasm resources of Rizhao City crape myrtle on the application form, the original landscape, summarizes its application in gardens of Rizhao City.
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