Evaluation of Rice Genotypes at Seedling Stage for Salinity Tolerance

2002 ◽  
Vol 1 (2) ◽  
pp. 117-118 ◽  
Author(s):  
Yousaf Ali . ◽  
A. R. Awan . ◽  
M. Y. Ashraf .
Keyword(s):  
Salinity Tolerance ◽  
Seedling Stage ◽  
Rice Genotypes

scholarly journals Evaluation of Rice Germplasm under Salt Stress at the Seedling Stage through SSR Markers

2013 ◽  
Vol 3 (1) ◽  
pp. 52-59 ◽  
Author(s):  
M Al-Amin ◽  
MM Islam ◽  
SN Begum ◽  
MS Alam ◽  
M Moniruzzaman ◽  
...  
Keyword(s):  
Ssr Markers ◽  
Salinity Tolerance ◽  
Dry Matter ◽  
Growth Parameters ◽  
Seedling Stage ◽  
Salt Tolerant ◽  
Marker Assisted Breeding ◽  
Hydroponic System ◽  
Rice Genotypes ◽  
Salt Susceptible

Twenty eight rice germplasms were used for identification of salt tolerant rice genotypes at the seedling stage at the experimental farm and Biotechnology laboratory of the Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh during February 2009 to October 2009. Phenotyping for salinity screening of the rice genotypes was done using salinized (EC level 12 dS m-1) nutrient solution in hydroponic system. Genotypes were evaluated for salinity tolerance on 1-9 scale based on seedling growth parameters following modified Standard Evaluation Scoring (SES) of IRRI. Phenotypically, on the basis of SES and % total dry matter (TDM) reduction of the genotypes viz. PBSAL-614, PBSAL-613, PBSAL-730, Horkuch, S-478/3 Pokkali and PBSAL (STL)-15 were found to be salt tolerant; on the other hand Iratom-24, S-653/32, S-612/32, S-604/32, S-633/32, Charnock (DA6), BINA Dhan-6 and S-608/32 were identified as salt susceptible. For genotyping, ten SSR markers were used for polymorphism, where 3 primers (RM127, RM443 and RM140) were selected for evaluation of salt tolerance. In respect of Primer RM127, 7 lines were found salt tolerant and 11 lines were moderately tolerant and 10 lines were susceptible. Nine tolerant, 9 moderately tolerant and 10 susceptible lines were found when the primer RM140 was used and primer RM443 identified 8 lines as tolerant, 9 lines as moderately tolerant and 11 lines as susceptible. Thus, the salt tolerant lines can be used in further evaluation for salinity tolerance and the SSR markers used in this study are proving valuable for identifying salt tolerant genes in marker assisted breeding. Int. J. Agril. Res. Innov. & Tech. 3 (1): 52-59, June, 2013 DOI: http://dx.doi.org/10.3329/ijarit.v3i1.16093

Diversity and haplotypes of rice genotypes for seedling stage salinity tolerance analyzed through morpho-physiological and SSR markers

2018 ◽  
Vol 220 ◽  
pp. 10-18 ◽  
Author(s):  
K.T. Ravikiran ◽  
S.L. Krishnamurthy ◽  
A.S. Warraich ◽  
P.C. Sharma
Keyword(s):  
Ssr Markers ◽  
Salinity Tolerance ◽  
Seedling Stage ◽  
Rice Genotypes

scholarly journals SALINITY TOLERANCE OF SEVERAL RICE GENOTYPES AT SEEDLING STAGE

2018 ◽  
Vol 18 (2) ◽  
pp. 63
Author(s):  
Heni Safitri ◽  
Bambang Sapta Purwoko ◽  
Iswari Saraswati Dewi ◽  
Sintho Wahyuning Ardie
Keyword(s):  
Salinity Tolerance ◽  
Block Design ◽  
Seedling Stage ◽  
Salinity Level ◽  
Growth And Yield ◽  
Future Research ◽  
Nutrient Culture ◽  
Two Factors ◽  
Check Variety ◽  
Rice Genotypes

<p class="abstrakinggris">Salinity is one of the most serious problems in rice cultivation. Salinity drastically reduced plant growth and yield, especially at seedling stage. Several rice genotypes have been produced, but their tolerance to salinity has not yet been evaluated. The study aimed to evaluate salinity tolerance of rice genotypes at seedling stage. The glasshouse experiment was conducted at Cimanggu Experimental Station, Bogor, from April to May 2013. Thirteen rice genotypes and two check varieties, namely Pokkali (salt tolerant) and IR29 (salt sensitive) were tested at seedling stage. The experiment was arranged in a randomized complete block design with three replications and two factors, namely the levels of NaCl (0 and 120 mM) and 13 genotypes of rice. Rice seedlings were grown in the nutrient culture (hydroponic) supplemented with NaCl at different levels. The growth and salinity injury levels of the genotypes were recorded periodically. The results showed that salinity level of 120 mM NaCl reduced seedling growth of all rice genotypes, but the tolerant ones were survived after 14 days or until the sensitive check variety died. Based on the visual injury symptoms on the leaves, five genotypes, i.e. Dendang, Inpara 5, Inpari 29, IR77674-3B-8-2-2-14-4-AJY2, and IR81493-BBB-6-B- 2-1-2 were tolerant to 120 mM salinity level, while Inpara 4 was comparable to salt sensitive IR29. Hence, Inpara 4 could be used as a salinity sensitive genotype for future research of testing tolerant variety. Further evaluation is needed to confirm their salinity tolerance under field conditions. </p>

scholarly journals Salinity tolerance at seedling stage for rice genotypes: In vitro analysis

2017 ◽  
Vol 5 (4) ◽  
pp. 126-130 ◽  
Author(s):  
Raghad S. Mouhamad ◽  
◽  
Lamiaa A. Mutlag ◽  
Ameerah H. Atiyah ◽  
Ibrahim B. Razaq ◽  
...  
Keyword(s):  
Salinity Tolerance ◽  
Seedling Stage ◽  
Rice Genotypes ◽  
Vitro Analysis ◽  
In Vitro Analysis

Application of SSR Technique for the Identification of Markers Linked to Salinity Tolerance in Rice

2013 ◽  
Vol 19 (2) ◽  
pp. 57-65
Author(s):  
MH Kabir ◽  
MM Islam ◽  
SN Begum ◽  
AC Manidas
Keyword(s):  
Salt Tolerance ◽  
Ssr Markers ◽  
Salinity Tolerance ◽  
Seedling Stage ◽  
Phenotypic Screening ◽  
Salt Tolerant ◽  
Marker Assisted Breeding ◽  
Hydroponic System ◽  
Rice Landrace ◽  
Salt Susceptible

A cross was made between high yielding salt susceptible BINA variety (Binadhan-5) with salt tolerant rice landrace (Harkuch) to identify salt tolerant rice lines. Thirty six F3 rice lines of Binadhan-5 x Harkuch were tested for salinity tolerance at the seedling stage in hydroponic system using nutrient solution. In F3 population, six lines were found as salt tolerant and 10 lines were moderately tolerant based on phenotypic screening at the seedling stage. Twelve SSR markers were used for parental survey and among them three polymorphic SSR markers viz., OSR34, RM443 and RM169 were selected to evaluate 26 F3 rice lines for salt tolerance. With respect to marker OSR34, 15 lines were identified as salt tolerant, 9 lines were susceptible and 2 lines were heterozygous. While RM443 identified 3 tolerant, 14 susceptible and 9 heterozygous rice lines. Eight tolerant, 11 susceptible and 7 heterozygous lines were identified with the marker RM169. Thus the tested markers could be efficiently used for tagging salt tolerant genes in marker-assisted breeding programme.DOI: http://dx.doi.org/10.3329/pa.v19i2.16929 Progress. Agric. 19(2): 57 - 65, 2008

Effects of PEG induced water stress on growth and physiological responses of rice genotypes at seedling stage

2019 ◽  
Vol 51 (6) ◽  
Author(s):  
A. Shereen ◽  
M.A. Khanzada ◽  
M.A. Wahid Baloch ◽  
Asma Asma ◽  
M.U. Shirazi ◽  
...  
Keyword(s):  
Water Stress ◽  
Physiological Responses ◽  
Seedling Stage ◽  
Rice Genotypes

scholarly journals Screening of rice (Oryza sativa L.) for salinity tolerance at seedling stage under hydroponic condition

2020 ◽  
Vol 8 (4) ◽  
pp. 1776-1779
Author(s):  
Anuj Kumar ◽  
DK Dwivedi ◽  
Pratibha Yadav ◽  
Rahul Kumar ◽  
Preeti Kumari ◽  
...  
Keyword(s):  
Oryza Sativa ◽  
Salinity Tolerance ◽  
Oryza Sativa L ◽  
Seedling Stage

scholarly journals Physiological Evaluation of Different Rice Genotypes to Two Salinity Level during Seedling Stage under Hydroponic System

2020 ◽  
pp. 42-56
Author(s):  
S. Lakshmi ◽  
V. Ravichandran ◽  
L. Arul ◽  
K. Krishna Surendar
Keyword(s):  
Salt Stress ◽  
Dry Weight ◽  
Seedling Stage ◽  
Salinity Level ◽  
Ion Concentration ◽  
Growth And Yield ◽  
Root Shoot Ratio ◽  
Ion Absorption ◽  
Early Seedling ◽  
Rice Genotypes

Hydroponics study was conducted to screen eight rice genotypes (CO 51, ADT 53, ADT 37, IR 64, CO 43, ASD 16, Pokkali; TRY 3) under salinity stress on early seedling stage. Two Saline treatments (75 and 100 mM NaCl) were given at 15 days old seedling; observations were recorded at 10 days after salt stress. Results showed that shoot length, root length, total fresh and dry weight, shoot and root fresh weight, shoot and root dry weight and root- shoot ratio were reduced under saline conditions compared to control. Na+ ion Concentration and Na+/ k+ ratio was higher in saline treatments than control. However, K+ ion absorption decreased with increasing salinity level. Electrolyte leakage and osmotic potential had increasing trend with increasing level of salinity. In this study, rice genotypes Pokkali, TRY 3 and CO 43 perform as tolerant; CO 51, ADT 53 and ASD 16 perform as moderately tolerant; ADT 37 is susceptible and IR 64 is highly susceptible. This type of study is required to develop salt tolerant genotypes at salt stress during seedling stage; to increase the growth and yield of rice there by satisfy the need of country’s requirement.

Identification of rice genotypes for seedling stage multiple abiotic stress tolerance

2020 ◽  
Vol 25 (4) ◽  
pp. 697-706 ◽  
Author(s):  
Tinu Thomas ◽  
J. Purushothaman ◽  
R. Janarthanan ◽  
N. Anusuya ◽  
Prasanna Geetha Medisetti ◽  
...  
Keyword(s):  
Abiotic Stress ◽  
Stress Tolerance ◽  
Abiotic Stress Tolerance ◽  
Seedling Stage ◽  
Rice Genotypes
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