Evaluation of Rice Germplasm for Resistance against Pyricularia oryzae the Cause of Rice Leaf Blast
Journal Title: Asian Research Journal of Agriculture - Year 2017, Vol 4, Issue 3
Abstract
Rice blast caused by Pyricularia oryzae is one of the most important diseases in rice growing areas of the world. Fifty two rice genotypes including one susceptible check, Basmati C-622, were evaluated to find out new sources of resistance and assess their diversity based on the reactions against P. oryzae. The test genotypes were evaluated against leaf blast after three weeks of inoculation by following the standard evaluation system for rice introduced by the International Rice Research Institute, Philippines. Diversity of the 52 genotypes was also assessed based on blast symptoms. Moderately resistant reactions were observed with genotypes KSK-470, KSK-463, KSK-460, PK 8685-5-1-1-1, KSK-462, KSK-474, PK 3810-30-1, KSK-471 and KSK-472. The 52 genotypes were grouped in 4 clusters. The grouping of some genotypes in same cluster is based on their similar reaction against leaf blast. The results of this study can be useful for selecting suitable genotypes for the development of blast-resistant rice varieties through hybridization.
Authors and Affiliations
Halima Qudsia, Awais Riaz, Muhammad Akhtar
Keywords
Related Articles
- EP ID EP337990
- DOI 10.9734/ARJA/2017/31709
- Views 113
- Downloads 0
Effect of Sowing Methods, Seed Rate and Variety on Yield and Seed Quality of Sesame (Sesamum indicum L.) and Its Implication on Returns in Sudan Savanna of Nigeria
An experiment to determine the effect of sowing method, seed rate and variety on the yield and seed quality of sesame (Sesamum indicum L) and its implication on returns was conducted at Kano and Dutse, in the sudan ecolo...
Screening of Fenugreek (Trigonella foenum graecum L.) Germplasm Lines for Diosgenin Potential
Fenugreek seeds were evaluated for diosgenin content and productivity which can be useful for pharmaceutical industries and farmers. Statistical significance was tested by ANOVA (n=5) followed by comparisons of means by...
Optimization of Storage Conditions of Cowpea (Vigna unguiculata L. Walp) Bagged Pics Containing Biopesticide (Lippia multiflora) Leaves by Factorial Design in Cote d’Ivoire
This study aims to optimize storage conditions of two cowpea varieties grains in PICS bags containing leaves of Lippia multiflora. It was to assess, through a full factorial design, the effect of three factors (variety,...
Screening of 20 Accessions of Sesame (Sesamum indicum) for Resistance to Cercospora Leaf Spot Disease
Aims: Twenty accessions of sesame (Sesamum indicum) were screened for resistance to Cercospora leaf spot disease. Sample: Twenty accessions of Sesamum indicum were used for the study. The sesame accessions were obtained...
Assessment of Genetic Combinations for Hybrid Rice in the Germplasm of Pakistan
An attractive approach is development of rice hybrids for the increase in crop productivity. A narrow genetic base and limited parental lines are the hindrance in the development of location specific hybrids. In this stu...