PLANT- PARASITIC NEMATODES: A SERIOUS THREAT TO AGRICULTURAL CROPS IN SAUDI ARABIA
Journal Title: Journal of Experimental Biology and Agricultural Sciences - Year 2018, Vol 6, Issue 3
Abstract
The plant-parasitic nematodes Meloidogyne spp. were first reported on tomato plants in 1957 in the Eastern region of Saudi Arabia. Since then, many other plant parasitic nematodes have been reported causing serious losses to many economically important agricultural crops. Until now, several efforts have been made to control these nematodes either in the greenhouse or in the open fields. To achieve a successful control of theses nematodes, comprehensive nematological surveys must be carried out to determine the abundance and the economic importance of the plant-parasitic nematodes. Thus, a total of 30 nematode genera have been reported to be associated with different plant species all over the kingdom. We have classified these genera into three major groups according to their economic importance. The first group included the genera of the highest prevalence and economic impact (e.g. Meloidogyne spp., Heterodera avenae and Tylenchulus semipenetrans). The second group included those genera that have a relatively medium importance and prevalence (e.g. Pratylenchus spp., Tylenchorhynchus spp., Helicotylenchus spp., Trichodorus spp., Criconemella spp., Longidorus spp., Xiphenema spp., Hopolaimus spp., Paratylenchus spp., Hemicycliophora spp. and Ditylenchus spp). While the third group included the nematodes of the least prevalence and economic importance. We believe this information would be of great importance to lay out meaningful control strategies.
Authors and Affiliations
Fahad A. Al-Yahya
PHENOTYPIC STABILITY AND GGE BIPLOT ANALYSIS IN PIGEONPEA [CAJANUS CAJAN (L.) MILL SP.] GENOTYPES ACROSS THE ENVIRONMENTS
Phenotypic stability was carried out by using Eberhart & Russell model, as well as recent GGE biplot approach for identification of the foremost genotypes across the different environments in pigeonpea [Cajanus cajan (L....
Cytotoxic T cells and Cancer Therapy
The cytotoxic T lymphocyte (CTL, Tc) is a type of T lymphocyte/ white blood cell involved in the host’s cell-mediated immune response against cancerous cells, abnormal cells and cells infected with viruses. Signals from...
Effect of biological fertilizer on the growth and nodules formation to soya bean (Glicine max (L.) merrill) in ultisol under net house conditions
Present study was aim to assess the effect of various concentrations of biological fertilizers on the growth and nodules formation in soybean crop (Glicine max (L.) Merrill) in Ultisol under net house condition. Study wa...
Allelopathic propensity of the aqueous leaf extract and leaf litter of Melia dubia Cav. on pulse crops
Gas Chromatography Mass-Spectrometry (GC-MS) analysis revealed that leaf litter of Melia dubia contain phenolic acids and its derivatives, unsaturated fatty acid, alkaloids, methyl ketones (volatile allelochemical), arom...
MICROBIAL DIVERSITY AND PHYLOGENETIC STUDIES OF SOME MICROBES OBTAINED FROM UNEXPLORED CAVES OF SAUDI ARABIA
The microbial diversity within cave ecosystems is largely unknown. This study aimed to studying the microbial communities of the three caves viz Mossy, Hotel and Reda caves which are located approximately 200 km of Riyad...