نتایج جستجو برای: meloidogyne javanica و heterorhabditis bacteriophora
تعداد نتایج: 765037 فیلتر نتایج به سال:
در این بررسی قابلیت آنتاگونیستی یکصد و پنجاه جدایه باکتریایی باسیلوس در مقابل نماتد meloidogyne javanicaبا آزمون سنجش زیستی ارزیابی شد. تأثیر ترشحات حاصل از سوسپانسیون 108×1 سلول در میلی لیتر هر یک از جدایه ها روی تخم و لارو نماتد ریشه گرهی در قالب طرح کاملاً تصادفی در سه تکرار بررسی شد. هشت سویه به عنوان جدایه های برتر برای مطالعات گلخانه های انتخاب شدند که بیشترین درصد مرگ و میر لارو و تفریخ ن...
ایمنی در حشرات شامل بخشهای مختلف دفاع رفتاری، فیزیکی و ایمنی ذاتی آنهاست. در این بررسی، مؤلفههای کلیدی دخیل در سازوکارهای ایمنی ذاتی لارو پروانۀ مومخوار بزرگ Galleria mellonella بهعنوان حشرۀ مدل، (شامل تغییر در شمار و انواع یاختههای خونی یا هموسیتها و نیز تغییرپذیری فعالیت آنزیم فنلاکسیداز) در برابر دو گونه جدایۀ بومی نماتود بیمارگر حشرات، Heterorhabditis bacteriophora و Steinernema fel...
In a pot experiment, BAU-Biofungicide (Trichoderma harzianum) neem oil and curaterr (carbofuran) 5G were tested against root-knot (Meloidogyne javanica) of two papaya varieties Kashempuri and Deshi papaya. Seedlings were inoculated with second stage larvae of M. javanica. Neem oil (5 ml/ 10g seeds) and BAU-Biofungicide (1:4) were used as seed treatant and curaterr as side dressing. Both the bio...
A survey was conducted to determine the frequency and abundance of Meloidogyne spp. in tomato production sites located in Baix Llobregat County, Barcelona, Spain. Forty-five sites were sampled before planting and at harvest from February to October, 1991. Meloidogyne spp. occurred in 49% of the sites sampled. Preplant population densities ranged from 10 to 220 (x = 110)juveniles/ 250 cm(3) soil...
Meloidogyne sp. from five pecan (Carya illinoensis) orchards in Texas were distinctive in host range and iszoyme profiles from common species of Meloidogyne but were morphologically congruent with Meloidogyne partityla Kleynhans, a species previously known only in South Africa. In addition to pecan, species of walnut (Juglans hindsii and J. regia) and hickory (C. ovata) also were hosts. No repr...
E. Aballay, and O. Vilches. 2015. Resistance assessment of grapevine rootstocks used in Chile to the root-knot nematodes Meloidogyne ethiopica, M. hapla, and M. javanica. Cien. Inv. Agr. 42(3): 407-413. The rootstocks 1103 P, 101-14, K 5BB, SO4, and 3309 were assessed to determine their resistance to the three common Meloidogyne species present in Chilean vineyards, M. ethiopica, the most frequ...
A soil temperature of 20 C was equally suitable for the invasion and development of M. hapla and M. javanica. However, M. javanica predominated in a mixed species infection at this temperature. Predominance increased with increasing mixed-species inoculum levels. Invasion by M. hapla was more density-dependent than M. javanica. M. hapla produced a greater incidence of terminal galls and lateral...
The relative DNA content of hypodermal nuclei of preparasitic, 2nd-stage larvae was determined cytophotometrically in 19 populations belonging to 13 species of Meloidogyne, Heterodera and Meloidodera. In Meloidogyne hapla, M. arenaria, M. incognita and M. javanica, total DNA content per nucleus is proportional to their chromosome number, indicating that chromosomal forms with high chromosome nu...
The host preferences of populations of Meloidogyne naasi from England, California, Illinois, Kentucky and Kansas were compared. Among 22 plant species tested, most were hosts for isolates of all five populations; crabgrass was added to the list of known hosts. Differential reactions of isolates on creeping bentgrass, curly dock, sorghum, and common chickweed demonstrated the existence of at lea...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید