Evaluation of submerge tolerence from rice genotype / Nurul Tasha Zulkifle

Zulkifle, Nurul Tasha (2019) Evaluation of submerge tolerence from rice genotype / Nurul Tasha Zulkifle. [Student Project] (Unpublished)


Rice (Oryza sativa L) is one of the most popular food and feed over half population of the world. However, nowadays drastic changes in environment such as flooding have seriously threatened traditional rice cultivation practices in several parts of the world including Malaysia. Therefore, the present study aims to develop a simple screening teclmique to evaluate the tolerance and susceptible levels of various rice genotypes against submerged stress. A total of fourteen genotypes of rice including two check varieties (FR13A and Bina 10) were analysed in an experiment to determine their tolerance and susceptible levels against submergence stress. Two different methods namely test-tube method and water lodged soil method were used along with positive and negative control varieties which is Towuti and Bina 10 respectively. The experiment was designed in a complete randomized design with three replications. Germination results demonstrated that only six genotypes (NMR151, NMRJ 52, MR219, Towuti, FR13A and Bina 10) showed 50% survival of gennination rate.
NMR 152 rice genotypes performed the highest shoot length and elongation per day with 5.25±0.20cm and l.05±0.15cm respectively in test tube method. Seedling recovery score recorded that Towuti performed the best performance of growth with score of 1 whereas MR2 l 9 exhibited the lowest performance of growth recorded score of 5. Result indicated that Towuti, NMRl 52 and NM! 51 rice genotypes exhibited moderately tolerance against submergence stress. Test tube method exhibited the most efficient method with all rice genotypes tested showed a significantly highest shoot length compared to water lodge method. Test tube method indicated as a simple, rapid and cheaper technique to evaluate the abiotic stress tolerance in rice genotypes. Finding in this study serve as a fundamental information for future breeders to use these three varieties as positive control against submergence stress.


Item Type: Student Project
Email / ID Num.
Zulkifle, Nurul Tasha
Email / ID Num.
Thesis advisor
Hasan, Dr. Nor' Aishah
Subjects: Q Science > Q Science (General) > Study and teaching > Laboratories. General works
S Agriculture > SB Plant culture > Seeds. Seed technology
S Agriculture > SB Plant culture > Seeds. Seed technology > Seed identification
Divisions: Universiti Teknologi MARA, Negeri Sembilan > Kuala Pilah Campus > Faculty of Applied Sciences
Programme: Bachelor of Science (Hons.) Biology
Keywords: Evaluation, submerge tolerence, rice genotype
Date: 2019
URI: https://ir.uitm.edu.my/id/eprint/43800
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