بررسی اثر نانوسیلور، اسید سالیسیلیک، اسید هومیک و تیوسولفات نقره بر خواص فیزیکوشیمیایی گل بریده نرگس‌

چمنی, اسماعیل; نبوی مهاجر, زهرا سادات

doi:10.22059/ijhs.2014.52871

بررسی اثر نانوسیلور، اسید سالیسیلیک، اسید هومیک و تیوسولفات نقره بر خواص فیزیکوشیمیایی گل بریده نرگس‌

نوع مقاله : مقاله پژوهشی

نویسندگان

¹ دانشیار ، دانشکدۀ کشاورزی، دانشگاه محقق اردبیلی، اردبیل، ایران

² دانشجوی سابق کارشناسی ارشد، دانشکدۀ کشاورزی، دانشگاه محقق اردبیلی، اردبیل، ایران

10.22059/ijhs.2014.52871

چکیده

این پژوهش به‌منظور مطالعۀ تأثیر غلظت‏های مختلف تیوسولفات نقره (02/0، 05/0، 1/0، 25/0، 5/0، 75/0، 1 و 2 میلی‌مولار)، اسید هومیک (100، 500 و 1000میلی‏گرم بر لیتر)، نانوسیلور ( 5، 10 و 25 میلی‏گرم بر لیتر)، ساکارز (1، 5/2 و 5 درصد)، اسید سالیسیلیک (1، 2 و 4 میلی‏مولار) و اتیلن (0، 1، 10 و 100 میکرولیتر بر لیتر) بر طول عمر و برخی صفات کیفی گل بریدۀ نرگس رقم داچ مستر در دو آزمایش جداگانه در قالب طرح کاملاً تصادفی با 5 تکرار در آزمایشگاه فیزیولوژی پس از برداشت دانشگاه محقق اردبیلی انجام گرفت. نتایج پژوهش نشان داد تیمارهای تیوسولفات نقره در غلظت های 2/0 و 5/0 میلی‏مولار در مقایسه با شاهد و سایر تیمارها طول عمر را 6/3 روز افزایش دادند و بیشترین اثر در حفظ وزن تر نسبی در مقایسه با شاهد و دیگر تیمارها به غلظت‌های مختلف تیوسولفات نقره تعلق داشت. کمترین تأثیر در افزایش طول عمر را غلظت‏های مختلف اسید هومیک و اسید سالیسیلیک در مقایسه با شاهد نشان داد. اما در غلظت‌های پایین نسبت به شاهد جذب محلول بیشتر بود. همچنین نتایج نشان دادند غلظت‌های پایین نانوسیلور و ساکارز بر طول عمر، جذب محلول و وزن تر نسبی تأثیر مثبت داشته‏اند. نتایج نشان داد که اتیلن به‌طور معناداری طول عمر گل‌ها را کاهش می‌دهد و میزان اتیلن تولیدی توسط این گل نشان داد که گل نرگس رقم داچ مستر فرازگراست.

کلیدواژه‌ها

20.1001.1.2008482.1393.45.3.4.0

عنوان مقاله [English]

Effect of thiosulfate, salicylic acid, humic acid and nano silver on physico-chemical characteristics of cut narcissus flower

نویسندگان [English]

Esmail Chamani ¹
Zahra Sadat Nabavi Mohajer ²

¹ Associate Professor , College of Agriculture, Univercity of Mohaghegh Ardebili, Ardebil, Iran

² Former M.Sc. Student, College of Agriculture, Univercity of Mohaghegh Ardebili, Ardebil, Iran

چکیده [English]

In order to study the effects of Silver Thiosulfate (0.02, 0.05, 0.1 and 0.2 mM), Humic Acid (100, 500 and 1000 mg l-1), Nano Silver (5, 10, 25 mg l-1), SalisilicAcid (1, 2 and 4 mM) and Sucrose (1%, 2.5% and 5%) on the vase life and some qualitative characteristics of cut Narcissus var Duch Master floweres, two expriments were counducted in postharvest laboratory of Mohaghegh Ardabili University. This experiment carried out based on compeletly randomized design used 5 replications. The results of experiments revealed that different treatments significantly (P<0.05) affected all measured traits. Mean comparision showed that STS at rates of 0.1 and 0.2 was the best treatment at all measured traits compared to control. The results of second experiment revealed that, the highest and lowest flower vase life were related to STS and control, respectively. Sucrose at all concentrations also enhanced flower vase life and the highest effect was related to 2.5% sucrose. Nano silver positively increased flower vase life compared to control with best effects at 1 to 10 mg/l. STS tends to maintain relative fresh weight compared to control and other treatments at all concentrations. In final day, mean comparison showed that plants treated by STS at rates of 0.25 and 0.75 mM and nano silver at rate of 5 mg/l and 2.5% sucrose had the higher solution uptake. Results showed that ethylene significantly decreased flower vase life. The results also revealed that Narcissus is sensitive to ethylene.

کلیدواژه‌ها [English]

narcissus Duch master
vase life
fresh weight
salisilicacid
Humic Acid
silver thiosulfate and sucrose

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