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Study on Genetic Variability and Seed
Quality of Groundnut (Arachis
hypogaea L.) Genotypes
sollem suma muktha
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   MAHESH.R.HAMPANNAVAR.PGS16AGR6978 9999
                   International Journal of Emerging Technology and Advanced Engineering
         Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 4, Issue 6, June 2014)
      Study on Genetic Variability and Seed Quality of Groundnut
                  (Arachis hypogaea L.) Genotypes
          Mukesh Kumar Maurya1, Prashant Kumar Rai2, Arvind Kumar3 and Bazil A. Singh4, A. K. Chaurasia5
  2
      Assistant Professor, 5Associate Professor, 3,4Ph.D. Scholar, Department of Genetics and Plant Breeding, Allahabad School
                                                             of Agriculture
           Sam Higginbottom Institute of Agriculture, Technology and Sciences, Allahabad- 211007, Uttar Pradesh, India.
   Abstract-- Fifteen groundnut genotypes (including check)                Groundnut (Arachis hypogaea L.) is believed to be the
obtained from ICRISAT, Hyderabad evaluated for qualitative              native of Brazil. It was introduced into India during the first
parameters. The crop was sown during wet season 2013 at                 half of the sixteenth century from one of the Pacific islands
Field Experimentation Center of the Department of Genetics              of China, where it was introduced earlier from either
and Plant Breeding, Faculty of Agriculture, SHIATS,
                                                                        Central America or South America. India is the second
Allahabad Uttar Pradesh. The experiment was laid out in
Randomized Block Design with three replications, 13                     largest producer of groundnut after China. Groundnut is the
quantitative parameters were studied. The analysis of                   largest oilseed in India in terms of production. Groundnut
variance revealed the prevalence of significant different               is one of the most important cash crops of our country.
among the genotypes for all studied parameters viz. Field               Groundnut has other anonymous each peanut, earthnut,
emergence, Days to 50% flowering, Plant height, Number of               monkey nut, goober, panda and manila nut. Groundnut is
primary branches, Days to maturity, Pod yield per plant, Pod            the also known as “The king of oilseeds”.
yield, Seed yield per plant, Seed index (Hundred kernels                   Groundnut contains on the average 12-15%
weight), Shelling percentage, Kernel yield, Sound matured               carbohydrates, 25-30% protein and 45-50% oil. The nuts
kernels and Kernel uniformity. Based on per se performance
                                                                        may be chewed uncooked, but are usually eaten boiled or
genotypes ICG 2772, ICG 2777 and ICG 3027 were found to
best for pod yield per plant. High to moderate estimates of             roasted. The nuts can also be boiled, fried, ground into
GCV and PCV were exhibited by kernel yield q/ha, pod yield              groundnut butter, or crushed for oil. Groundnut butter is
q/ha, pod yield per plant(g), plant height(cm), indicating that         extensively used in the preparation of soup and as bread
these character could be used selection indices for crop                spread (Tsigbey, et al. 2004).
improvement. The exhibited high values for heritability                    India is largest grower and second producer after china,
(broad sense), seed index, Days to 50 % flowering followed by           the average productivity of groundnut is about 0.98 tones/
matured kernel and plant height. Exhibited high values for              ha, which is very much lower than the world average of
genetic advance pod yield per plant, seed yield per plant               1.62 tones/ha. In India its cultivation mostly confined to the
followed by field emergence and seed index. Depicted high
                                                                        southern states viz., Gujarat, Karnataka, Andhra Pradesh,
values for genetic advance as mean percent kernel yield, pod
yield followed seed yield per plant and pod yield per plant.            Tamil Nadu and Maharashtra. The other important states
Data was submitted to BOLD for selected groundnut                       growing groundnut area were Madhya Pradesh, Rajasthan,
genotypes with genotype ICG 2381 identified as best genotype            Uttar Pradesh and Punjab. The area under groundnut
for pod length and Genotype ICG 2106 identified as best                 cultivation in Uttar Pradesh during 2011-2012 was 0.17
genotype for pod width. Genotype ICG 2381, ICG 2511 and                 million hectare and production was 0.39 million tons
ICG 2857 identified as very testy. “Groundnut SHIATS” title             (Anonymous, 2012).
to derived specimens with authoritative taxonomic                          Genetic variability is essential for initiating an effective
identification. So these genotypes are better preferred for             and successful breeding programmed and it became
consumed directly by humans.
                                                                        imperative to study the level of genetic variability available
  Keywords-- Groundnut, GCV, PCV, Heritability, Genetic                 in the existing genotype. The study of genetic advance with
Advance, Quantitative Parameters.                                       heritability estimates further clarify the nature of character
                                                                        which can be improved through selection. Therefore, the
                      I. INTRODUCTION                                   present investigation was undertaken to study variability,
                                                                        heritability and genetic advance in three independent
   Groundnut (Arachis hypogaea L.), family, Leguminosae
                                                                        populations of groundnut (Savaliya et al., 2009).
an important crop among oilseeds, is a self pollinated,
chromosome no. (2n=40) grown in tropical and sub-
tropical regions of the world.
                                                                  818
                   International Journal of Emerging Technology and Advanced Engineering
        Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 4, Issue 6, June 2014)
              II. MATERIALS AND METHODS                                         PCV and GCV were calculated by the formula given by
    Fifteen groundnut genotypes were received from                           Burton (1952), heritability in broad sense (h2) was worked
 International Crop Research Institute for the Semi Arid                     out by using formula suggested by Lush (1949), Burton
 Tropics (ICRISAT), Patancheru, Hyderabad, Andhra                            and Devane (1953) and genetic advance i.e. the expected
 Pradesh, India were evaluated at field experimentation                      genetic advance were calculated by using the procedure
 center, Department of Genetics and Plant Breeding,                          given by Lush (1949), Johnson et al., (1955).
 SHIATS, Allahabad, during wet season 2013. The
 experiment was laid out in Randomized Block Design                                         III. RESULTS AND D ISCUSSION
 (RBD) having three replications with 35 cm inter and 10                        The analysis of variance for different characters is
 cm intra row spacing. The observations were recorded on                     presented in Table 1 the mean sum of squares due to
 five randomly selected plants from each replication for                     genotypes showed significant difference for all 13
 various characters viz. field emergence percentage, days to                 quantitative characters studied. The mean sums of squares
 50% flowering, plant height, primary branches/plant, days                   were suggesting that the selected genotypes were
 to maturity, pod yield/plant, pod yield, seed yield/plant,                  genetically variable and considerable amount of variability
 hundred kernel weight, sound mature kernels, kernel                         existed among them. Similar results were also reported by
 uniformity, shelling percentage, kernel yield. Analysis of                  Korat et al., (2009) and Savaliya et al., (2009).
 variance to test the significance difference among
 accessions for each character was carried out as per
 methodology suggested by Panse and Sukhatme (1967).
                                                                      Table 1.
             Analysis of variance for 13 quantitative Characters in 15 Groundnut genotypes (including check) during Wet season 2013.
S.                            Characters                                                     Mean sum of squares
No.
                                                               Replications (d.f. =02)             Treatment (d. f.=14)                Error =28
1.                                                                           86.67                            380.00*                     150.95
       Field emergence
2.                                                                           2.289                            29.49*                      1.932
       Days to 50% flowering
3.                                                                          15.764                            119.47*                     9.191
       Plant height
4.                                                                           0.128                             0.60*                      0.146
       Number of primary branches
5.                                                                           0.022                             5.30*                      1.141
       Days to maturity
6.                                                                          340.366                          2128.76*                    259.929
       Pod yield per plant
7.                                                                           4.232                            46.84*                      6.599
       Pod yield
8.                                                                          45.774                           1170.99*                    130.100
       Seed yield per plant
9.                                                                           0.961                            152.08*                     0.972
       Seed index (Hundred kernels weight )
10.                                                                         94.088                            78.81*                      36.920
       Shelling percentage
11.                                                                          0.066                            23.93*                      2.671
       Kernel yield
12.                                                                          4.356                            36.18*                      2.498
       Sound matured kernels
13.                                                                          3.756                            19.69*                      3.898
       Kernel Uniformity
 * Significant at 5% Level of significant respectively
                                                                      819
                      International Journal of Emerging Technology and Advanced Engineering
             Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 4, Issue 6, June 2014)
      The genotypic coefficient of variation provides a                               Heritability is a measure of extent of phenotypic caused
   measure to compare of genetic variability present in 13                         by the action of gene. For making effective improvement in
   quantitative parameters. Moderate estimates of genotypic                        the character for which selection is practiced, heritability
   coefficient of variation was recorded for kernel yield                          has been adopted by genetic variability, which is
   (44.51), Seed yield per plant (42.99), Pod yield (41.36) and                    transmitted from parent to offspring is reflected heritability.
   low genotypic coefficient of variation value was observed                       The estimates of heritability in broad sense for 13
   for Pod yield per plant (39.24), Seed index (20.77), Field                      quantitative traits ranged from shelling percentage
   emergence (16.80), plant height (14.04), Days to 50%                            (27.44%) to Seed index (98.11%). Higher estimates of
   flowering (10.42), Number of primary branches (6.77),                           heritability were observed for characters like Seed index
   Shelling percentage (5.73), Sound matured kernels (4.95),                       (98.11%), Days to 50% flowering (82.63%), Sound
   Kernel uniformity (3.85), Days to maturity (0.99). (Table                       matured kernels (81.80%), Plant height (80.00%), Seed
   1). Similar finding were reported by Venkataramana et al.                       yield per plant (72.73%), Kernel yield (72.63%), Pod yield
   (2001). Nath and Alam (2002) also resulted low genotypic                        per plant (70.56%), Pod yield (67.03%). Moderate
   co-efficient of variation for days to maturity. Injeti (2008)                   estimates of heritability were observed for characters like
   reported for days to maturity for low genotypic coefficient                     Kernel uniformity (57.46%), Days to maturity (54.89%),
   of variation. Phenotypic coefficient variation which                            Number of primary branches (51.34%), Field emergence
   measures total relative variation was moderate for Kernel                       (33.59%). The low estimate of heritability was observed for
   yield (52.22), Pod yield (50.52), Seed yield per plant                          character like shelling percentage (27.44%). (Table 2).
   (50.41), Pod yield per plant (46.71), Field emergence                           Similar observations were made by Khote et al. (2009),
   (28.99), Seed index (20.97), Plant height (15.70), and low                      Sumathi et al. (2009), Chaurasia et al. (2012), Kumar et
   estimate of phenotypic coefficient of variation value was                       al. (2012), Verma et al. (2013) Singh et al.(2013) . The
   observed in Days to 50% flowering(11.46), Shelling                              results are in according with findings of Venkataramana
   percentage (10.94), Number of primary branches (9.45),                          et al. (2001), Mahalakshmi et al., (2005) and John et al.
   Sound matured kernels (5.47), Kernel uniformity (4.39),                         (2008) for hundred kernel weight.
   Days to maturity (1.34), (Table 2) Similar finding were
   observed for days to maturity by John et al. (2008)
                                                                         Table 2.
                  Genetic Parameters of 13 Quantitative characters in 15 Groundnuts Genotypes (including check) during Wet season 2013
Characters                         Mean         Range                      VG           VP         GCV       PCV       h2        GA       GG=GA %
                                                Min.        Max.
Field emergence                    52.89        36.67       90.00          76.35        227.30     16.80     28.99     33.59     29.50    56.74
Days to 50% flowering              29.09        25.33       35.67          9.19         11.12      10.42     11.46     82.63     6.53     22.44
Plant height                       43.17        22.17       51.41          36.76        45.95      14.04     15.70     80.00     13.27    30.73
Number of primary branches         5.80         5.13        6.40           0.15         0.30       6.77      9.45      51.34     1.07     18.50
Days to maturity                   118.76       116.00      121.67         1.39         2.53       0.99      1.34      54.89     3.11     2.62
Pod yield per plant                63.61        18.08       121.67         622.94       882.87     39.24     46.71     70.56     58.15    91.41
Pod yield                          8.86         2.58        16.50          13.41        20.01      41.36     50.52     67.03     8.75     98.87
Seed yield per plant               43.33        10.08       81.11          346.96       477.07     42.99     50.41     72.73     42.74    98.66
Seed index (Hundred kernels        34.17        24.43       45.73
weight )                                                                   50.37         51.34      20.77     20.97     98.11    14.02       41.04
Shelling percentage                65.20        55.12       72.34          13.97        50.89      5.73      10.94     27.44     13.96    21.41
Kernel yield                       5.98         1.43        11.59          7.09         9.76       44.51     52.22     72.63     6.11     102.20
Sound matured kernels              67.71        62.33       72.67          11.23        13.73      4.95      5.47      81.80     7.25     10.71
Kernel uniformity                  68.89        65.33       73.33          5.27         9.17       3.33      4.39      57.46     5.92     8.60
   Where, VG = Genotypic variance, VP = Phenotypic variance, GCV = Genotypic coefficient of variation, PCV = Phenotypic
   coefficient of variation, h2 = Heritability, GA = Genetic advance.
                                                                         820
                  International Journal of Emerging Technology and Advanced Engineering
       Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 4, Issue 6, June 2014)
   A perusal of genetic advance for different traits revealed                 Moderate estimates of genetic advance as percent of
that it varied from 1.07 (Number of primary branches) to                   mean was observed for Pod yield (98.87), Seed yield per
58.15 (Pod yield per plant). Low genetic advance was                       plant (98.66), Pod yield per plant (91.41), Field emergence
observed for all the traits like Pod yield per plant (58.15),              (56.74), Seed index (41.04), and Plant height (30.73). The
Seed yield per plant (42.74), Field emergence (29.50), Seed                low estimate of genetic advance as percent of mean was
index (14.02), shelling percentage (13.96), Plant height                   observed for character like Days to 50% flowering (22.44),
(13.27), Pod yield (3.47), pod yield (8.75), Sound matured                 Shelling percentage (21.41), Number of primary branches
kernels (7.25), Kernel yield (6.11), Kernel uniformity                     (18.50), Sound matured kernels (10.71), Kernel uniformity
(5.92), Days to maturity (3.11), Number of primary                         (8.60), Days to maturity (2.62). (Table 2). Similar finding
branches 1.07). (Table 2) Similar finding were observed by                 were reported by Saraswathi et al.(2010). High heritability
Rani et al. (2005) for pod yield and shelling percentage.                  coupled with high genetic advance as per cent of mean in
   Genetic advance as percent of mean for various                          the present set of groundnut genotypes was recorded for
characters are presented in table and noticed that high                    kernel yield indicating predominance of additive gene
genetic advance as percent of mean was recorded for                        effect and the possibilities of effective selection for the
Kernel yield (102.20).                                                     improvement of these characters.
                                                                  Table 3.
                                        Scoring based Quality characters of 14 Groundnut Genotypes.
S.     Genotypes                                                      Characters.
No.                    P.L.     P.Wt.       P.C.     P.B.     P.R.     Sl.Th.     Sl.H.     No.       S.L.   S.W.    Ta.C.    S.T.       100-
                       (mm)     (mm)                                                        of        (mm)   (mm)                        S.W.
                                                                                            S/P                                          (gm.)
1.     ICG 1973        17       8           3        3        3        2          2         3         8      6       1        2          5
2.     ICG 2019        21       9           3        3        5        1          1         1         10     5       1        2          3
3.     ICG 2106        32       12          7        3        7        1          2         6         10     5       1        3          5
4.     ICG 2381        33       11          7        5        7        2          2         6         12     6       4        1          5
5.     ICG 2511        30       10          3        3        5        1          1         6         12     7       2        1          5
6.     ICG 2772        29       11          5        3        7        1          1         6         14     7       1        2          5
7.     ICG 2773        28       10          3        3        3        1          2         3         14     5       1        2          5
8.     ICG 2777        30       9           3        5        7        2          1         6         12     7       4        2          5
9.     ICG 2857        23       12          3        0        7        1          2         3         13     8       2        1          5
10.    ICG 2925        25       10          3        3        5        1          1         6         14     5       2        1          5
11.    ICG 3027        30       11          3        3        5        2          1         3         15     6       1        3          5
12.    ICG 3053        21       10          3        3        5        1          2         3         13     8       2        3          5
13.    ICG 3102        25       12          5        3        5        1          1         3         13     7       1        2          5
14.    ICG 3240        22       10          5        3        7        1          2         3         11     7       1        2          5
                                                                     821
                 International Journal of Emerging Technology and Advanced Engineering
       Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 4, Issue 6, June 2014)
   P.L. - Pod length (mm), P. Wt. - Pod width (mm), P.C. -                Taxonomy and image data of groundnut genotypes was
Pod constriction, P.B. – Pod beak, P.R. - Pod reticulation,            successfully submitted for bar coding to the BOLD
Sl. Th. - Shell thickness, Sl .H. - Shell hardness, No. of S/P         database with the title “Groundnut SHIATS”. The bar-
- No. of seeds per pod, S.L. – Seed Length (mm),S.W. –                 coding has established a standardized approach across
Seed Width (mm),Ta .C. - Testa colour, S.T. - Seed                     taxonomic group facilitating fast accurate species
test,100- S.W. (gm.) - 100-seed weight (gm).                           identification. The goal is that anyone, anywhere, anytime
   Genotypes that had maximum pod length like ICG 2381                 be able to identify quickly and accurately the species of a
(33 mm), followed by ICG 2106 (32 mm), ICG 2511 (30                    specimen whatever its condition.
mm), ICG 2777 (30 mm), ICG 1973 (17 mm) and
genotypes that had maximum pod width like ICG 2106 (12                 Acknowledgements
mm) and ICG 2381 (11 mm), followed by ICG 2772 (11                        Authors are thankful to Department of Genetics and
mm), ICG 2511 (10 mm), ICG 2777 (9 mm). Genotypes                      Plant Breeding/ Seed Science and Technology, Allahabad
that had maximum seed length like ICG 3027 (17 mm),                    School of Agriculture, Sam Higginbottom Institute of
followed by ICG 2772 (16 mm), ICG 2381 (15 mm), ICG                    Agriculture, Technology and Sciences, Allahabad. Sincere
2381 (14 mm), ICG 2925 (14 mm), ICG 2857 (13 mm) and                   thanks to all the members of Department of Genetics and
genotypes that had maximum seed width like ICG 2857                    Plant Breeding / Seed Science and Technology for their
(8mm),ICG 3053 (8 mm), ICG 2772 (8 mm),ICG 2019 (7                     encouragement and support.
mm), ICG 1973 (6 mm), ICG 3027 (5 mm), 2925 (5 mm),
2773 (5 mm), ICG 2106 (5 mm). Very tasty genotypes                           REFERENCES
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                                                                 822
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        Website: www.ijetae.com (ISSN 2250-2459, ISO 9001:2008 Certified Journal, Volume 4, Issue 6, June 2014)
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