فعالـیت آمیـلولیتیک و پرو تئـولیتیک گــوارشی Brevicoryne brassicae (Hem.: Aphididae) روی ارقـام مختلف کلزا

نوع مقاله: مقاله کوتاه، فارسی

نویسندگان

گروه گیاه پزشکی، دانشکده کشاورزی و منابع طبیعی، دانشگاه محقق اردبیلی، اردبیل، ایران

10.22117/jesi.2020.124375.1286

چکیده

شته Brevicoryne brassicae یکی از مهمترین آفات خسارت‌زای کلزا در ایران است. فعالیت آمیلولیتیک و پروتئولیتیک گوارشی شته‌های بالغ روی هشت رقم کلزا (Opera، SLM046، RGS000، Okapi، Delgan، Licord، H19 و Modena) به ترتیب با استفاده از سوبسترای نشاسته و آزوکازئین بررسی شد. آزمایش در دمای 1±25 درجه سلسیوس، رطوبت نسبی 5±65 درصد و دوره نوری 16 ساعت روشنایی و 8 ساعت تاریکی انجام شد. فعالیت آمیلولیتیک روی رقم Licord کمترین و روی رقم SLM046 بیشترین بود. کمترین فعالیت پروتئولیتیک روی ارقام Okapi و Opera و بیشترین فعالیت روی رقم Delgan بود. نتایج نشان داد که ارقام کلزا بر فیزیولوژی گوارشی این شته تاثیرگذار هستند.

کلیدواژه‌ها


عنوان مقاله [English]

Digestive amylolytic and proteolytic activities of Brevicoryne brassicae (Hem.: Aphididae) on different canola cultivars

نویسندگان [English]

  • Bahram Naseri
  • Jabraeil Razmjou
  • Gadir Nouri-Ganbalani
  • Atefeh Mortazavi Malekshah
  • Ehsan Borzouei
  • Shervin Barzin
Department of Plant Protection, Faculty of Agriculture and Natural Resources, University of Mo-haghegh Ardabili, Ardabil, Iran
چکیده [English]

Brevicoryne brassicae (L.) is one of the most damaging pests of canola in Iran. Digestive amylolytic and proteolytic activities of adult aphids were evaluated on eight canola cultivars (Opera, SLM046, RGS000, Okapi, Delgan, Licord, H19, and Modena) using starch and azocasein substrates, respectively. The experiment was conducted at 25 ± 1°C, 65 ± 5% RH and a 16:8 h (L:D) photoperiod. Amylolytic activity was the lowest on Licord and highest on SLM046. The lowest proteolytic activity was on Okapi and Opera, and highest activity was on Delgan. The results indicated that canola cultivars influence on digestive physiology of this aphid.

کلیدواژه‌ها [English]

  • cabbage aphid
  • Digestive enzyme
  • plant cultivars

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