با همکاری انجمن‏‌ بیماری شناسی گیاهی ایران

نوع مقاله : حشره شناسی کشاورزی

نویسندگان

1 دانش آموخته‌ی کارشناسی ارشد حشره‌شناسی کشاورزی؛ دانشگاه تبریز، دانشکده کشاورزی، گروه گیاهپزشکی

2 استاد؛ دانشگاه تبریز، دانشکده کشاورزی، گروه گیاهپزشکی

چکیده

زنبور Trissolcus djadetshkoe (Hym. Scelionidae) یک گونه­ی مغلوب انگل­واره­ی تخم سن گندم در مزارع غلات ایران محسوب می­شود. به­همین دلیل در برنامه­های تحقیقاتی و کنترل بیولژیک کاربردی کمتر طرف توجه قرار گرفته است. با این وجود، یک انگل­واره با اثر اندک در کنترل یک آفت لزوماً یک گونه­ی کم اهمیت نیست. هرچند این گونه یک عامل تلفات جزیی آفت در بیشتر نقاط ایران محسوب می­شود، ولی دومین گونه­ی مهم مناطق شمال‌غرب کشور به‌شمار می‌آید. کارایی این گونه در قالب پارامترهای جدول زندگی در آزمایشگاه (دمای 1±26
درجه­ی سلسیوس، رطوبت نسبی 10±50% و دوره­ی نوری 8: 16 ساعت) مورد بررسی قرار گرفت. نسبت جنسی، نرخ جایگزینی خالص و نرخ ذاتی افزایش به ­ترتیب 0.03±0.57، 2.9±39.8 ماده بر نسل و 0.004±0.212 بر روز بود. کارآیی این عامل با سایر پارازیتوییدهای تخم سن گندم مقایسه شد.

کلیدواژه‌ها

عنوان مقاله [English]

Reproductive-life table studies on Trissolcus djadetshkoe (Hym. Scelionidae)

نویسندگان [English]

  • F. ABDI 1
  • SH. IRANIPOUR 2
  • M. J. HEJAZI 2

چکیده [English]

Trissolcus djadetshkoe (Hym.: Scelionidae) is an inferior egg parasitoid of sunn pest Eurygaster integriceps Puton
(Hem.: Scutelleridae) in Iran wheat fields. This is reason that why this species is less considered in biological control as well as
research programs. However a parasitoid with a minor effect is not necessarily an unimportant species. Although this species is an
eligible mortality factor in many parts of Iran, it is the second abundant species of northwest of Iran. Its efficacy was studied in terms
of life history parameters in laboratory (26±1 ºC, 50±10% RH, and 16: 8 h photoperiod). The sex ratio, net replacement rate and
intrinsic rate of increase were 0.57±.03, 39.8±2.9 and 0.212±0.004 respectively. Efficacy of this species was compared to other
egg parasitoids of the sunn pest.

کلیدواژه‌ها [English]

  • life table
  • parasitism efficiency
  • reproductive table
  • Sunn pest egg parasitoid
  • Trissolcus djadetshkoe
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