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مدل نمونهبرداری دنبالهای با دقت ثابت شته گندم-یولاف،Sitobion avenae در مزارع گندم منطقه ماهیدشت کرمانشاه | ||
| آفات و بیماری های گیاهی | ||
| مقاله 5، دوره 90، شماره 2 - شماره پیاپی 115، 1401، صفحه 183-193 اصل مقاله (667.62 K) | ||
| نوع مقاله: حشره شناسی کشاورزی | ||
| شناسه دیجیتال (DOI): 10.22092/jaep.2023.359362.1449 | ||
| نویسندگان | ||
| شهلا باقری متین1؛ حسنعلی واحدی2؛ شهرام شاهرخی خانقاه* 3؛ ناصر معینی نقده1؛ فرزاد جلیلیان4 | ||
| 1گروه گیاهپزشکی، دانشکده کشاورزی، دانشگاه رازی، کرمانشاه، ایران | ||
| 2عضو علمی دانشکاه رازی | ||
| 3موسسه تحقیقات گیاهپزشکی کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران | ||
| 4مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان کرمانشاه، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرمانشاه، ایران | ||
| چکیده | ||
| پراکنش پهنهای شته گندم- یولاف، Sitobion avenae (F.) در مزارع گندم منطقه ماهیدشت کرمانشاه بررسی و مدلهای نمونهبرداری دنبالهای با دقت ثابت برای پایش آن تهیه و نمونهبرداری طی پنج سال انجام شد. در هر تاریخ نمونهبرداری 100 ساقه بهصورت تصادفی بازدید شد. دامنه میانگین تراکم جمعیت در مزرعه گندم 01/34- 39/0 عدد شته در هر ساقه بود. پراسنجههای قانون نمایی تیلور برای تهیه مدلهای نمونهبرداری دنبالهای به روشGreen (1970) استفاده شدند. پراکنش پهنهای شته از نوع تجمعی تعیین شد. در مدلهای نمونهبرداری، اندازه نمونه با افزایش میانگین تراکم جمعیت شته کاهش یافت. در مدل با سطح دقت تحقیقاتی (1/)0 اندازه نمونه لازم برای پایش جمعیت شته گندم- یولاف در بیشترین میانگین تراکم جمعیت مشاهده شده در مزرعه (01/34 عدد در هر ساقه) 136 عدد بود که در مدل با سطح دقت مدیریت تلفیقی آفات (25/0) به 22 عدد ساقه کاهش یافت. با توجه به بزرگ بودن اندازه نمونه در سطح دقت 1/0، مدل با سطح دقت مدیریت تلفیقی آفات برای پایش شته گندم - یولاف توصیه میشود که اندازه نمونه را نسبت به مدل نمونهبرداری دنبالهای در سطح دقت 1/0، بیش از شش برابر کاهش داد. | ||
| کلیدواژهها | ||
| پایش؛ شته گندم- یولاف؛ نمونهبرداری دنبالهای؛ نوسانات جمعیت | ||
| عنوان مقاله [English] | ||
| Sequential sampling model with fixed precision level of the English grain aphid, Sitobion avenae in wheat fields of the Mahidasht region, Kermanshah | ||
| نویسندگان [English] | ||
| shahla Bagheri Matin1؛ Hassanali Vahedi2؛ Shahram Shahrokhi Khaneghah3؛ Naser Moeeny Naghadeh1؛ Farzad Jalilian4 | ||
| 1Department of Plant Protection, College of Agriculture, Razi University, Kermanshah, Iran | ||
| 2Plant protection, Agricultural college, Razi university | ||
| 3Iranian Research Institute of Plant Protection, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran | ||
| 4Agricultural and Natural Resources Research and Education Center of Kermanshah, AREEO, Kermanshah, Iran | ||
| چکیده [English] | ||
| Spatial distribution of the English grain aphid, Sitobion avenae (F.), was studied in wheat fields of Mahidasht, Kermanshah province and Sequential sampling models with fixed precision level were prepared for its monitoring. Sampling was conducted during five years. At each sampling date, 100 tillers were randomly visited. The mean range of population density in wheat field was 0.39-34.01 aphids/ tiller. Taylor's Power Law parameters were used to preparing sampling models according to Green (1970). Spatial distribution was determined as cumulative. Sample size decreased with increasing aphid population density in sampling models. In research precision level of (0.1), the sample size required at the highest average population density observed in the field (34.01/ tiller) was 136, which in precision level proposed for integrated pest management (0.25) reduced to 22 tillers. Overall, due to the large sample size at the precision level of 0.1, the model prepared at the precision level of integrated pest management (0.25) was recommended for monitoring S. avenae. The recommended model can reduce sample size more than six times at different densities in comparison to the sequential sampling model at the precision level of 0.1. | ||
| کلیدواژهها [English] | ||
| Monitoring, population fluctuation, sequential sampling, the English grain aphid | ||
| مراجع | ||
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