0255-7576_2007_25_1

Author: M. SHAHID, A.U. REHMAN, A.U. KHAN AND A. MAHMOOD Publishing Date: 2007 E-ISSN: 0255-7576 Volume 25 Issue 1 ABSTRACT: The nematodes problem in Pakistan is serious than in the developed countries and the information on the host range and damage caused by plant parasitic nematodes is scarce. Therefore, a survey on the occurrence and geographical distribution of nematodes was conducted […]

Author: M.A. IQBAL, T. MUKHTAR* AND R. AHMAD Publishing Date: 2007 E-ISSN: 0255-7576 Volume 25 Issue 1 ABSTRACT: The effect of different soil types was studied on the movement and infection rate of Tylenchulus semipenetrans on citrus. The maximum movement and infection rate was observed in loamy sand in both top (6 cm) and lower (6 cm) halves of the pots, followed by

Author: M.A. IQBAL, T. MUKHTAR AND R. AHMAD Publishing Date: 2007 E-ISSN: 0255-7576 Volume 25 Issue 1 ABSTRACT: A survey of different areas of Sindh was carried out to determine the nematodes associated with soil and roots of banana plantation. The root-knot nematode viz., Meloidogyne javanica and M. incognita were encountered along with other nematodes in banana plantation. The effect of

Author: S.A. ANWAR AND N. JAVED Publishing Date: 2007 E-ISSN: 0255-7576 Volume 25 Issue 1 ABSTRACT: Plants evolved their own-defense mechanisms during their long association with pests and pathogens. Simultaneously, the pests and pathogens also developed mechanisms to compromise plant resistance mechanisms. Natural pest resistance mechanisms occurring in higher plant can be classified into preformed resistance mechanisms and inducible resistance mechanisms.

Author: A. KHAN, F.M. BILQEES, N. KHATOON AND RIAZUDDIN Publishing Date: 2007 E-ISSN: 0255-7576 Volume 25 Issue 1 ABSTRACT: Histopathological studies revealed that Meloidogyne javanica larvae penetrated roots of jujube by a puncturing action of the stylet and caused giant cell formation. Massive cell bodies formation was observed. Egg masses were also observed on infected roots. Nematode damage to root cells