بازدارندگی عصاره‌ی گل کبر ( (Capparidaceae Capparis spinosa و برگ انجیر Ficus carica (Moraceae) بر نماتد Meloidogyne incognita، در شرایط آزمایشگاهی

محورهای موضوعی : دو فصلنامه تحقیقات بیماریهای گیاهی

قادر کیانی ¹ (دانشجوی کارشناسی ارشد نماتد‌شناسی، گروه گیاه‌پزشکی، دانشگاه یاسوج)
محمد عبدالهی ² (دانشیار، گروه گیاهپزشکی، دانشگاه یاسوج)

تاریخ دریافت : 1393/12/25 تاریخ پذیرش : 1393/12/25 تاریخ انتشار : 1394/03/01

کلید واژه: نماتد ریشه گرهی, عصاره گیاهی, Capparis spinosa, Ficus carica, اثر بازدارنده,

چکیده مقاله :

در این آزمایش، اثر عصاره آبی گل گیاه کبر و برگ انجیر بر نماتد Meloidogyne incognita بررسی شد. آزمایش به‌ صورت فاکتوریل در قالب طرح کاملاً تصادفی با دو فاکتور (1- عصاره گیاهی مورد بررسی در دو سطح، گل کبر (Capparis spinosa) و برگ انجیر (Ficus carica) 2-غلظت عصاره در چهار سطح 1، 2، 6 و 10 درصد بر روی مرگ و میر لارو سن دوم و در 3 سطح 1/0، 5/0  و 1 درصد بر روی تفریخ تخم) در 4 تکرار برای هر تیمار انجام شد. در حالی که در تیمار شاهد حدود 97 درصد تفریخ تخم صورت گرفت، عصاره 1% برگ انجیر و گل کبر به ترتیب موجب کاهش 99 درصدی و 5/96 درصدی تفریخ تخم شدند. در ایجاد مرگ و میر در لارو سن دوم، در شرایطی که میانگین مرگ و میر لارو سن دوم در تیمار شاهد 75/2 درصد بود، گل کبر در غلظت‌های بیش از 2% و برگ انجیر در غلظت بیش از 6%، با اثر کشندگی بیش از 95 درصد بر لارو سن دوم این نماتد، به عنوان بهترین تیمارهای آزمایش شناسایی شدند

چکیده انگلیسی:

In this experiment, the nematicidal effects of the aqueous extracts of Capparis spinosa flower and of Ficus carica leaf on root knot nematode, Meloidogyne incognita, were evaluated. A 2x2 factorial experiment with two factors: 1- plant type (flower of Capparis spinosa and leaf of Ficus carica) 2- concentration of extracts (1%, 2%, 6% and 10% w/v for larval mortality test; 0.1%, 0.5% and 1% w/v for egg hatch test) in a completely randomized design, with four replicates was used. At the rate of 1%, leaf extract of F. carica and flower extract of C. spinosa caused respectively 99% and 96.5% egg hatch reduction while the percentage of hatched eggs in control treatment was 97%. In case of lethal effect of the tested plants against nematode larvae, when the larval mortality in control treatment was 2.75%, flower extract of C. spinosa at the rate of 2%, 6% and 10%, and the leaf extract of F. carica at the rate of 6% and 10%, caused more than 95% larval mortality.
 

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