Vol.33, Iss. 1

Phylogenetic analysis and biological studies of entomopathogenic nematode Steinernema abbasi isolates

F. Shahina, G. Mehreen

In this study seven entomopathogenic nematode Steinernema isolates were examined using genetic analysis by ITS rDNA and 12S mtDNA. Phylogenetic analysis of these isolates was inferred by using four different methods i.e., Maximum Evolution (ME), Maximum Likeli…

Histopathology of sweetpotato roots infected with Meloidogyne incognita

O.S. Osunlola, B. Fawole

Meloidogyne incognita infected roots of sweetpotato (Ipomoea batatas (L.) Lam.) were observed for histopathology changes included cellular disorganization in the root cortex, endodermis and vascular cells. Female nematode displaced root cells and occupied larg…

Prevalence of root-knot nematode (Meloidogyne spp.) on sunflower in Malnad region of Karnataka

H. Ravindra, M. Sehgal, R. Murali, T.G. Manu, H.B. Narasimhamurthy, M. Latha

Efficacy of different bacterial strains against Meloidogyne incognita

I. Jafri, A.A. Shahid, A. Ibrahim, M. Atif

Study was conducted to determine the effect of Meloidogyne incognita on plant health and production of tomato in field. Various strains of bacteria were examined for their influence on shoot, root length, plant height, egg-mass, number of juveniles and number…

Identification and quantitative composition of nematicidal ingredients in leaves of some Aloe species

A.A. Tanimola, B. Fawole

Phytochemical and infrared analyses were carried out for eight Aloe species: Aloe schweinfurthii (ASF), Aloe succrotina (AST), Aloe vera (AVR), Aloe chinensis (ACS), Aloe arborescens (AAR), Aloe keayi (AKY), Aloe macrocarpa (AMC) and Aloe schweinfurthii x Aloe…

Compatibility of Heterorhabditis indica with neem seed and kernel granules for suppressing Meloidogyne incognita infecting tomato

A.S. Ardakani

A glass house experiment was conducted to study the effect of neem seed granules (NSG), neem seed kernel granular (NSKG) formulation and H. indica alone as well as their combinations on Meloidogyne incognita infecting tomato. Among the different treatments, co…

In vitro nematicidal activity of some Aloe species extracts on eggs and second-stage juveniles of Meloidogyne incognita

A.A. Tanimola, B. Fawole

The nematicidal activity of acetone extract (AE) and water extract (WE) of leaves and roots of Aloe schweinfurthii (ASF), Aloe succrotina (AST), Aloe vera (AVR), Aloe chinensis (ACS), Aloe arborescens (AAR), Aloe keayi (AKY), Aloe macrocarpa (AMC) and Aloe sch…

Effect of Meloidogyne incognita on the growth characteristics of Vigna mungo treated with leaf extract of Mimusops elengi

C. Azhagumurugan, M.K. Rajan

The present study was conducted to evaluate the effect of leaf extract of magilam, Mimusops elengi on the root-knot nematode, Meloidogyne incognita infecting the black gram, Vigna mungo with different inoculums levels (5, 10, 15, 20 and 25 egg-masses/plant) wi…

Effect of amendments for the control of nematodes on peach seedlings

A. Khan, S.S. Shaukat, K.A. Khanzada, M.S. Khan

The effect of several amendments was evaluated against nematodes associated with peach (Prunus persica L. Batsch) seedlings. Three major nematode populations were found in the soils including Helicotylenchus pseudorobustus, Xiphinema americanum and Pratylenchu…

Prevalence of nematodes in different districts of Punjab, Pakistan

S. Ahmed, A. Munir, S. Hameed, S. Asad, M. Fayyaz, M. Zakaria et al.

During the survey a total 69 soil samples were collected from various agro-ecological areas with different cropping history in six districts comprising Mianwali, Bhakkar, Gujranwala, Sialkot, Gujrat and Mandi Bahauddin of Punjab province, Pakistan and assessed…

Comparative efficacy of Trichoderma harzianum, neem extract and furadan on Meloidogyne incognita infecting tomato plant growth

R.R. Arain, R.N. Syed, A.Q. Rajput, M.A. Khanzada, N.A. Rajput, A.M. Lodhi

Root-knot nematode Meloidogyne incognita (Kofoid & White) Chitwood is the virulent pathogen of tomato plants. The artificial inoculation of M. incognita developed a large number of galls and suppressed the tomato plant growth significantly. Three different…

Damage induced by root-knot nematodes and its alleviation by vesicular arbuscular mycorrhizal fungi in roots of Luffa cylindrica

N. Hajra, F. Shahina, K. Firoza, R. Maria

The effect of vesicular arbuscular mycorrhizal (VAM) fungi inoculated with nematodes in roots of Luffa cylindrica (L.) Roem was studied under greenhouse conditions. Six treatments were used; viz., C = Control, T1 = VAM only, T2 = nematodes only, T3 = VAM and n…

Damage threshold of Meloidogyne arenaria to common bean influenced by dates of planting

A.M. Korayem, M.M.M. Mohamed, S.M. EL-Ashry

Effect of root-knot nematode Meloidogyne arenaria was studied on common dry bean plants under natural infestation in the field at two different seasons of planting. In the first season, bean was grown in Autumn, 2012 while, the second season in early Spring, 2…