本文選題：微型月季 + 扦插基質��； 參考：《寧夏大學》2017年碩士論文

【摘要】：隨著世界花卉觀賞潮流逐步向盆栽化、微型化趨勢發(fā)展,微型月季以其外形獨特、四季開花、運輸方便、組合容易而備受青睞。但微型月季株型矮小緊湊,枝條短、莖細、節(jié)間數少、有效插穗少、對扦插環(huán)境要求高,扦插成活難度大、成活率低等問題也越來越突顯,本試驗以 'Sunny Star'、'Pink Star'、'Sweet Star'、'Hippie Star'、'Snow Star' 5個品種盆栽微型月季為試材,通過兩因素多水平的隨機區(qū)組試驗,探究插穗在不同扦插基質、激素種類與濃度、位置效應及扦插時期四個方面對盆栽微型月季扦插繁殖的影響,對扦插生根率、生根時間、根長、最長根長、生根數量、根系效果指數6個生根性狀及成苗時間、移栽成活率、腋芽莖粗、腋芽長度、節(jié)間數、葉綠素含量等移栽成苗性狀測定的結果進行多重比較分析,探究品種間、各因素間及品種與因素間的影響,試驗結果表明:(1)不同基質配比和各品種間均對盆栽微型月季扦插生根有顯著差異。5個微型月季品種扦插的最佳基質配方為草炭:珍珠巖=3:1(體積比)。不同品種微型月季扦插成活率最高的是'Hippie Star'微型月季,生根時間短(20.67 d)、生根率高(80.67%)、生根能力強。(2)微型月季插穗采用激素處理顯著提高了插穗的生根率、生根能力、縮短了生根時間。在IBA不同濃度生根處理中,隨濃度的增加生根率先增加后降低。500 mg/L的IBA溶液最適合'Pink Star'、'SweetStar'、'Snow Star' 3種盆栽微型月季的扦插繁殖,250mg/L的NAA溶液對'Hippie Star'盆栽微型月季的扦插效果最好,'Sunny Star'盆栽微型月季插穗在250/250 mg/L的IBA/NAA混合液處理中表現最佳。(3)不同插穗部位對微型月季扦插成活影響不同,各品種間均是中間部位扦插效果最好,基部次之,頂端最低。'Hippie Star'盆栽微型月季在這5個品種中表現最突出。(4)不同扦插時期對各微型月季品種扦插的影響表明,溫度和濕度是扦插生根的主要影響因素,在7月最適合各盆栽微型月季的扦插,其生根時間短、生根率高、成苗快,葉綠素含量高。
[Abstract]:With the development of potted and miniaturized flower ornamental trend in the world, micro rose is favored for its unique appearance, four seasons flowering, convenient transportation and easy combination. However, the problems such as short and compact plant type, short branches, thin stems, few internodes, less effective cuttings, high requirements for cutting environment, high difficulty in cutting survival and low survival rate are becoming more and more prominent. In this experiment, the miniature Chinese rose of five varieties, Hippie Starer and Snow Star', was used as the test material. The experiment was carried out with two factors and many levels of random block experiments to explore the cuttings in different cutting substrates, types and concentrations of hormones. The effects of position effect and cutting period on the propagation of miniature Chinese rose cuttings in potted plants, the rooting rate, rooting time, root length, longest root length, rooting quantity, root effect index 6 rooting characters and seedling forming time, and the survival rate of transplanting were studied. In order to explore the influence of different factors and factors on the characters of transplanting seedling, such as diameter of axillary bud stem, length of axillary bud, internode number, chlorophyll content and so on, the characters of transplanting seedling were compared and analyzed. The results showed that there were significant differences among different substrates and varieties on rooting of minitype rose cuttings of potted plants. The best medium formula for cutting of five miniature rose varieties was peat: perlite 3: 1 (volume ratio). The highest survival rate of cuttage was Hippie Star' minitype rose, the rooting time was 20.67 days, the rooting rate was high (80.67%), the rooting ability was strong. (2) the rooting rate and rooting ability of cuttings were significantly improved by hormone treatment. The rooting time is shortened. In the rooting treatment of different concentrations of IBA, With the increase of rooting concentration, the IBA solution with the first increase of rooting and then the decrease of .500 mg/L is the most suitable for the cutting propagation of three kinds of potted miniature Chinese rose, I. e., NAA solution with 250 mg / L NAA solution, which is the best for cutting of miniature rose of Hippie Star' potted rose.Sunny Star' potted minitype rose. Different cuttings had different effects on the survival of micro rose cuttings in 250 / 250 mg/L IBA/NAA mixture treatment. The effect of cutting in middle part was the best, followed by base, and the effect of different cutting period on the cutting of micro Chinese rose was the lowest. Hippie Star' potted minitype rose was the most prominent in the five varieties. Temperature and humidity are the main factors affecting rooting of cuttings. In July, it is most suitable for cutting of miniature Chinese rose in potted plants, which has the advantages of short rooting time, high rooting rate, fast seedling formation and high chlorophyll content.
【學位授予單位】：寧夏大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：S685.12

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