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اهداف و چشم انداز

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تأثیر محلول‌پاشی مس، سیلیسیم، قارچ‌کش ایپرودیون-کاربندازیم و ورمی‌واش بر کیفیت میوه انار رقم شهوار

نوع مقاله : علمی - پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد علوم باغبانی، گروه علوم و مهندسی باغبانی، دانشکده علوم زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ایران

2 دانشیار، گروه علوم و مهندسی باغبانی، دانشکده علوم زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ایران

3 استادیار، گروه علوم و مهندسی باغبانی، دانشکده علوم زراعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ایران

چکیده

چکیده
ترکیدگی میوه‌ی انار و بیماری‌های قارچی مرتبط با آن میوه، از مسائل مهم کشت و پرورش این محصول به‌ویژه در مناطق مرطوب است. این تحقیق به منظور بررسی اثر نانوکلات مس و سیلیسیم به همراه دو قارچ‌کش‌ ورمی‌واش و رورال تی‌اس بر کاهش ترکیدگی و کیفیت میوه انار رقم شهوار در یک باغ تجاری در شهر سورک، استان مازندران، در بهار و تابستان 1396 انجام شد. فاکتورهای آزمایشی شامل 1- تغذیه معدنی (در چهار سطح شاهد، نانوکلات مس، سیلیسیم و مس + سیلیسیم) و 2-  قارچ‌کش (در دو سطح روروال تی‌اس و ورمی‌واش) بودند. محلول‌پاشی تیمارهای تغذیه‌ای در چهار نوبت به فاصله 15 روز و تیمارهای قارچ‌کش در سه نوبت به فاصله 20 روز انجام شد. نتایج این آزمایش نشان داد که بیشترین میزان تبدیل گل به میوه (73/6 درصد) و وزن خشک میوه (78/49 گرم) در تیمار ورمی‌واش+سیلیسیم حاصل شد. کمترین میزان آلودگی بصری میوه هم در تیمار مس + سیلیسیم مشاهده شد. تیمار سیلیسیم + مس و سیلیسیم به تنهایی باعث گردید تعداد میوه‌های ترک‌خورده نسبت به شاهد کاهش معنی‌داری یابد. بیشترین میزان رنگیزه آنتوسیانین نیز در تیمار ورمی‌واش + سیلیسیم + مس مشاهده شد. درصد مهار رادیکال‌های آزاد در تمامی تیمارهای انجام‌شده نسبت به شاهد بیشتر بود. جمع‌بندی نهایی نشان داد ورمی‌واش + مس + سیلیسیم موجب افزایش تعداد و کیفیت میوه انار شد.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Effect of copper, silicon, fungicide Iprodione-Carbendazim, and Vermi‌wash spray on the quality of pomegranate cv. Shahvar

نویسندگان [English]

  • Ramezanali Hoseinian 1
  • Hossein Sadeghi 2
  • Kamran Ghasemi 3

1 M.Sc. Student of Horticultural Sciences, Department of Horticulture, Faculty of Crop Sciences, Sari Agricultural Sciences and Natural Resources University, Sari, Iran

2 Associate Professor, Department of Horticulture, Faculty of Crop Sciences, Sari Agricultural Sciences and Natural Resources University, Sari, Iran

3 Assistant Professor, Department of Horticultural Sciences, Sari Agricultural Sciences and Natural Resources University Sari, Iran

چکیده [English]

Abstract
Introduction
Usually, pomegranate fruit in humid areas is under attack from fungal diseases. In addition to skin damage to the fruit, fungal diseases also reduce qualities and visual charactristics. Fruit cracking is another physiological disorder that causes a lot of damages to the crop and causes irreparable damage to the gardeners. Control of these diseases is very difficult, and the use of recommended treatments also has yielded different outcomes. Finding the appropriate solution based on nutritional and chemical products is necessary to overcome this problem.
 
Materials and Methods
This research was conducted in a commercial orchard located in Sorak city, 10 km from Sari city with a longitude of 53 degrees and 17 minutes and a latitude of 36 degrees and 61 minutes, and a height of 9 meters from the sea level in summer of 2017. The research was carried out as a factorial test in randomized complete block design with the aim of investigating the effects of Copper, Silicon, Vermiwash and Rovral TS on the quality of pomegranate fruit of Shavar cultivar. Experimental factors consisted mineral nutrition (in four levels of control, Copper nano-chelate, Silicon, and Copper+Silicon) and Fungicide (in two levels of vermiwash and Rovral TS). Foliar application was performed 4 times at intervals of 15 days and fungicidal treatments were carried
out at 3 times intervals of 20 days. Then morpho-physiological studies were carried out.
 
Results and Discussion
The results of this experiment showed that the highest amount of flower conversion to fruit and the highest amount of dry weight (49.78 g) were obtained in Vermiwash and Silicon treatments. The least amount of infected fruit was observed in the application of Rovral TS+copper, Rovral TS+Silicon and Vermiwash+Si+Cu, and. Simultaneous treatment of Silicon and Copper significantly increased fruit size. The treatments of Silicon+Copper and Silicon alone led to a decrease in the number of cracked fruits compared to the control. The highest amount of anthocyanin pigment was observed in Vermiwash alongside with Silicon+Copper treatments. The percentage of free radical scavenger in all treatments was higher than the control. Overall, the results of this experiment showed that Vermiwash, Copper and Silicon alone improved the traits studied. Silicon is naturally present as a compound of the cell wall and hardly bonds with the cell wall mass, thereby elicits resistance against cracking. Silicon also has a fungicidal effect, as has been reported in plants such as rice and cucumbers that can delay the development of pathogens such as Rhizoctonia solani and Pythium ultimum after treatment with Silicon. It has also been reported that the use of Vermiwash in various plants did affect control up to 93% of the diseases.
 
Conclusion
Vermiwash alongside with Si+Cu caused the lowest fungal infection, highest anthocyanin and appropriate fruit set, so this treatment can be strongly recommended. Besides, the results indicated that adding Si and Cu to chemical fungicide can boost its efficiency and decrease cracking significantly.

کلیدواژه‌ها [English]

  • Anthocyanin
  • Cracking
  • Rovral TS
  • Silicon
  • Vermiwash
مراجع
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تولیدات گیاهی
دوره 44، شماره 3
آذر 1400
صفحه 319-330
فایل ها
هم رسانی
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