اثر تعدادی از اصلاح کننده‌های آلی خاک محلی مانند نیم کیک، کستر کیک، پون گام کیک و ورمی کامپوست به نسبت 400 و 500 کیلوگرم در هکتار بر علیه Meloidogyne incognita بر گیاه آویشن (Thymus vulgaris)در شرایط کنترل شده و مزرعه مورد تحقیق قرار گرفت. بر اساس نتایج حاصله از تحقیق، تمامی اصلاح کننده‌های آلی استفاده شده موجب کاهش جمعیت نماتد و همچنین افزایش تولید گیاه مورد مطالعه شدند. در میان تمامی تیمارها، نیم کیک بیشترین اثر را در کاهش جمعیت نماتدی و همچنین افزایش تولید آویشن نشان داد. نماتد مورد مطالعه دارای جمعیتی حدود 2/31 – 6/28 درصد و 3/3- 0/4 درصد گره گزارش گردید. افزایش تولید در اثر استفاده از نیم کیک در شرایط کنترل شده بین 8/38 – 4/42 و در شرایط مزرعه 9 درصد گزارش گردید.
Management of Root-Knot nematode, Meloidogyne incognita with some organic amendments
نویسندگان [English]
Hesamedin Ramezani
چکیده [English]
The efficacy of locally available organic amendments such as neem cake, castor cake, pungam cake and vermicompost @ 400 and 500 kg/ha were evaluated against Meloidogyne incognita in medicinal Thymus vulgaris under glasshouse and field conditions. Results revealed that all the organic amendments were found to reduce M. incognita population and increase yield of test plant. Further, among all organic amendments, neem cake was found significantly superior in reducing the nematode population and increasing growth and yield of medicinal Thymus than pungam cake, vermicompost and caster cake. Neem cake application reduced M. incognita population 28.6 – 31.2 % in soil and neem cake amended Thymus plants recorded the gall index by 3.3 – 4.0. It increased the yield by 39.8 – 42.4 % under glasshouse condition and 9.0 % under field conditions.
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