Articles

Population density of Meloidogyne incognita under stress of different cropping sequences

W.M.A. El-Nagdi, M.M.A. Youssef

Five different cropping sequences including cucumber, dry common bean, cowpea, maize and sesame plants replacing sugar beet for controlling root-knot nematode, Meloidogyne incognita resulted that sugar beet-Hybrid maize and sugar beet-sesame cropping sequences…

Characterization, phytochemical analysis and nematicidal activity of Daniella oliveri leaves against Meloidogyne incognita

O. A. Fabiyi

This study was carried out to identify and evaluate the nematicidal potential of Daniella oliveri leaves. The leaves of D. oliveri were air dried and extracted with n-hexane, there after acetone. The concentrated extracts were subjected to chromatography on a…

Nematicidal activity of Citrullus colocynthis extracts against root-knot nematodes

T.S. Rizvi, F. Shahina

The nematicidal activity of Citrullus colocynthis seed, pulp, fruit and creeper extracts were evaluated against rootknot nematodes (Meloidogyne spp.) at 28 ± 2
C in laboratory. Gas chromatograph interfaced to a Mass spectrometer (GC-MS) results indicat…

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…

Host suitability of date palm seedlings to Meloidogyne incognita as influenced by stress of plant age

W.M.A. El-Nagdi, M.M.A. Youssef, M.F.M. Eissa

The influence of date palm Phoenix dactylifera L., seedling age was determined on nematode reproduction to susceptible date palm cv., Sewi inoculated with root-knot nematode, Meloidogyne incognita. Seedlings of 4, 3 and 2 month old supported more nematode popu…

Production of proline and other biochemicals as stress measures in mycorrhizal, biotic and abiotic factors in Luffa cylindrica

N. Hajra

Luffa is a genus of tropical and subtropical vines in the cucumber (Cucurbitaceae) family. Proline and other biochemical parameters effect was evaluated on bottle gourd (Luffa cylindrica (L.) Roem) in control, mycorrhizal and other biotic and abiotic soil comp…

Distribution and association of root-knot nematodes (Meloidogyne spp.) with tomato crop in Faisalabad district

A. Zia, K. Zia, S.A. Anwar, M. Iqbal

A detailed survey of tomato fields located in different parts of Faisalabad district was conducted to identify the association of root-knot nematode (RKN) species with tomato crop and to assess their infestation. Hundred and sixty-one samples from 23 locations…

Population dynamics of Heterodera zeae under stress of a cropping sequence regime in Egypt

A.E. Ismail, A.M. Kheir

Population dynamics of juveniles and cysts of corn cyst nematode, Heterodera zeae under stress of a cropping sequence regime revealed that the average numbers in each stage greatly fluctuated. The density of juveniles or cysts gradually increased with the favo…

Meloidogyne graminicola an emerging threat to rice and wheat in Punjab province in Pakistan

A. Jabbar, N. Javed, S.A. Khan, M.A. Ali

Plant parasitic nematodes (Tylenchida: Nematoda) in Turkey

I. Kepenekci

Plant parasitic nematodes, host association and distribution in different localities of Turkey have been surveyed. A total number of 240 nematode species of plant parasitic nematodes belonging to 56 genera of Tylenchida detected in Turkey. These nematode speci…

Effect of Mimusops elengi leaf extract on Meloidogyne incognita and biochemical changes of black gram

C. Azhagumurugan, M.K. Rajan

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

Efficacy of plant oils and garlic cultivation on controlling Meloidogyne incognita infected tomato plants

M.A.M. El-Saedy, A.A. Mokbel, S.E. Hammad

The efficacy of seven essential plant oils and cultivation of two garlic cultivars: Balady and Sods-40 were evaluated for controlling root-knot nematode, Meloidogyne incognita infecting tomato plants under laboratory, greenhouse and field conditions. Treatment…

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…

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…

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…

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…

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…

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…

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…

Influence of different initial spore concentrations of Pasteuria penetrans on the infection of root-knot nematodes over three host crop cycles

D. A. Darban, S. R. Gowen, B. Pembroke, F. Hussain

The number of egg-masses, females per plant, over all the crop cycles were compared by accepting a parallel line, logarithmic model. The number of egg-masses per plant over all the crop cycles decreased significantly (P < 0.05) more in the ten females treat…