Effects of Plant Growth Regulators, Culture Media, and Light on Bulblet Production of Lily ʻFujianʼ Using Scaling Technique
محورهای موضوعی : مجله گیاهان زینتی
Abolfazl Aliverdi
1
(M.Sc. Student Department of Horticultural Science, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran)
Davoud Asgari
2
(Assistant professor Department of Horticultural Science, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran)
کلید واژه: Peat moss, Naphthalene acetic acid, Geophyte, Indole-3-butyric acid,
چکیده مقاله :
Lily (Lilium spp.) is one of the most important flower in ornamental plants industry. This flower is one of the geophyte plants, therefore lilies cultivation was done with bulb. Between different lily bulb producing methods, scaling is a cost-effective and short-term technique. Lily bulb producers have always various challenges in different stage of production. Aiming to focus on solving these challenges, two separate experiments were performed to optimize bulblet production, as the first stage of bulb production. In the first experiment, four concentrations of two types of auxin (indole-3- butyric acid and naphthalene acetic acid at concentrations of 250 and 500 mg/L) and a control treatment as the first factor and effects of three culture media, including coco peat, coco peat + perlite (1:1) and black peat moss, as the second factor were examined. Results indicated that although the highest number of bulblets per scale (2.07) was observed in concentration of 500 mg/L of indole-3- butyric acid, but the maximum bulblet’s weight (0.81 g) and bulblet’s diameter (1.32 cm) were produced under control treatment. Regarding culture media effects, the highest number of bulblet per scale (2.02) maximum bulblet’s weight (0.71 g) and bulblets’ diameter (1.21 cm) were obtained in peat moss media. In the second experiment, above mentioned concentrations of the plant growth regulators as a first factor and also the presence or absence of light as a second factor was examined. Results showed that present or absent of light has not significant effects on all evaluated traits except bulblet’s diameter. Bulblet diameter significantly increased in dark situation. Extract of this study indicated, in lily bulbs production, with using PGR treatment can improve some quantity and quality traits.
سوسن از گلهای مهم در صنعت گل و گیاهان زینتی میباشد. این گل از دسته گیاهان سوخواره بوده که با استفاده از سوخ کشت میگردد. کشت فلس از سریع ترین و اقتصادیترین روشهای ازدیاد سوخ لاله در بین سایر روشها به شمار میرود. تولیدکنندگان سوخ گل سوسن همواره با مشکلات متفاوتی در طی مراحل مختلف تولید مواجه میشوند. پژوهش حاضر با هدف حل مشکلات مرحله اول ازدیاد سوخ از طریق فلسبرداری با دو آزمایش مجزا طراحی و اجرا گردید. در آزمایش اول چهار تیمار از دو نوع اکسین (ایندول- 3 - بوتیریک اسید و ایندول نفتالین استیک اسید در غلظتهای 250 و 500 میلیگرم در لیتر) به همراه تیمار شاهد بهعنوان فاکتور اول و سه بستر کشت (کوکوپیت، کوکوپیت+پرلیت و پیت ماس سیاه) بهعنوان فاکتور دوم بررسی شدند. نتایج نشان داد بالاترین تعداد سوخک به ازای هر فلس (70/2) در تیمار 500 میلیگرم در لیتر ایندول- 3 - بوتیریک اسید حاصل شد همچنین بالاترین مقدار وزن سوخک (81/0 گرم) و قطر سوخک (32/1 سانتیمتر) در تیمار شاهد حاصل گردید. نتایج بررسی اثر بسترهای کشت نشان داد بالاترین تعداد سوخک به ازای هر فلس (20/2)، وزن سوخک (71/0 گرم) و قطر سوخک (21/1 سانتیمتر) در بستر پیت ماس بهدست آمد. در آزمایش دوم، غلظتهای هورمونی فوق بهعنوان فاکتور اول و همچنین وجود یا عدم وجود نور بهعنوان فاکتور دوم مورد بررسی قرار گرفت. نتایج نشان داد وجود یا عدم وجود نور در بسیاری از تیمارهای ارزیابی شده به جز قطر سوخک معنی دار نبوده و تنها قطر سوخک در عدم وجود نور افزایش پیدا کرد. پژوهش حاضر نشان داد در ازدیاد سوخ سوسن با استفاده از هورمونهای گیاهی میتوان برخی از صفات کمی و کیفت محصول را بهبود بخشید.
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