تراکم و نوسان جمعیت پسیل معمولی پسته Agonoscena pistaciae (Hemiptera : Psyllidae) روی دو رقم پسته بادامی ریز زرند و ممتاز

نویسندگان

چکیده

پسیل معمولی پسته Agonoscena pistaciae Burckhardt & Lauterer ، آفت کلیدی درختان پسته ایران می‌باشد. تراکم این آفت روی ارقام مختلف پسته معمولاً متفاوت است. در تحقیق حاضر تراکم و تغییرات جمعیت پسیل معمولی پسته روی دو رقم پسته بادامی ریز زرند و ممتاز به عنوان ارقام محلی و بومی شهرستان زرند در شرایط صحرایی بررسی شد. بر اساس نتایج بدست آمده، تراکم پوره پسیل روی درختان پسته رقم ممتاز به طور معنی­دار بالاتر از رقم بادامی ریز زرند در طول دوره نمونه برداری از فروردین تا اوایل آبان بود. تراکم پوره‌ها روی هر دو رقم از اوایل مرداد به تدریج افزایش یافت اما روند افزایش جمعیت از اواسط شهریور تا زمان ریزش برگ‌ها شدید بود. فراوانی حشرات کامل پسیل روی سرشاخه درختان رقم ممتاز بالاتر از رقم بادامی ریز زرند در طول فصل رویش به دست آمد. همچنین فراوانی حشرات کامل پسیل شکار شده توسط تله‌های چسبنده زرد رنگ در باغ پسته رقم ممتاز بیشتر از باغ پسته رقم بادامی ریز زرند در طول دوره نمونه برداری بود اما روند نوسان جمعیت آن‌ها در دو باغ شبیه به یکدیگر بود. در مقاله حاضر وضعیت تراکم پوره‌های پسیل روی درختان دو رقم مورد مطالعه و نوسان جمعیت حشرات کامل آن در دو باغ مقایسه و بحث گردیده است.

کلیدواژه‌ها


عنوان مقاله [English]

Population dynamics and density of the common pistachio psylla, Agonoscena pistaciae (Hemiptera: Psyllidae) on two pistachio cultivars, Badami-riz Zarand and Momtaz

نویسندگان [English]

  • Faezeh Najafpour
  • Mohammad Reza Mehrnejad
  • Majid Fallahzadeh
چکیده [English]

The common pistachio psylla, Agonoscena pistaciae Burckhardt & Lauterer is known as the major pest in the pistachio plantation areas of Iran. The psyllid’s density on different pistachio cultivars is usually varied. Density and population dynamics of A. pistaciae were monitored at field condition on Badami-riz Zarand and Momtaz as two native and local pistachio cultivars in Zarand vicinity, Kerman province, South of Iran. Results showed that the psyllid nymphs’ density on Momtaz was larger than on Badami-riz Zarand through the whole sampling time from April to October significantly. Psyllid nymphs’ density was grown up from late July, however this trend was drastically high from August and afterward. In addition the adult psyllid abundance was 3 times larger on Momtaz cultivar twigs than Badami-riz Zarand through the growing seasons. The relative abundances of adult psyllid on yellow sticky traps in the Momtaz pistachio orchard was significantly larger than the Badami-riz Zarand orchard, however the fluctuations’ trends were similar at both orchards. The population dynamics and density of A. pistaciae on two pistachio cultivars were compared and discussed in present article.

کلیدواژه‌ها [English]

  • The common pistachio psylla
  • Pistacia vera
  • Pistachio cultivars
  • Population Dynamics
  • Agonista pistaciae

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