Jagdish Singh Arya1 Narendra Singh1 Preeti Singh Arya2

Jagdish Singh Arya1 Narendra Singh1 Preeti Singh Arya2-PDF Download

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high yielding varieties with good quality traits is needed the years In IC 0588677 the smallest leaf length 24 52cm . nowadays To improve the yield through selection 24 29cm was obtained in both the years Leaf width ranged. information on the nature and magnitude of variability from 0 72 to 5 90 cm and 0 61 to 5 39 cm during2013 and. present in a population is an important prerequisite for 2014 respectively In IC 0392640 greatest leaf width 5 90 . starting the breeding program Genetic diversity is essential 5 39 cm was found while lowest was 0 72 0 62 cm in IC . to meet the diversified goals of plant breeding such as 0279582 in both the years Supplementary Table 3 The. breeding for increasing yield wider adaptation desirable chlorophyll content ranged from 36 81 to 46 64 cci and 34 93. quality pest and disease resistance Selection of genetically to 43 18 cci during 2013 and 2014 The maximum. diverse parents in any breeding program is of immense chlorophyll content 46 64cci 43 18cci was observed in IC . importance for successful recombination breeding 0035940 whereas lowest 36 81cci 34 93 CCI was observed. Arunachalam 1981 and Akter et al 2015 Genetic in IC 0440229 during both the years Supplementary Table. divergence analysis estimates the extent of diversity existing 3 The results showed that the days to maturity ranged from. among selected genotypes Mondal 2003 Precise 131 80 to 150 40 and 135 to 154 20 during 2013 and 2014. information on the nature and degree of genetic diversity respectively Supplementary Table 3 The maximum days to. helps the plant breeder in choosing diverse parents for maturity 150 40 154 20 was taken in IC 0038823 while. purposeful hybridization Samsuddin 1985 Improvement in minimum 131 80 135 in IC 0374724 during both the years . yield and quality is normally achieved by selecting genotypes The double and deformed bulbs resulted in deteriorating. with desirable character combinations existing in nature or by quality as well as shelf life The double deformed bulb. hybridization Parents identified on the basis of the ranged from 23 90 to 97 55 and 28 31 to 99 07 in 2013 and. divergence analysis would be more promising Mohanty 2014 Supplementary Table 4 The maximum. 2001a Mohanty and Prusty 2002 have reported similar double deformed bulb 97 55 99 06 was found in the Local. results in onion When breeding for a particular set of Cultivar while minimum 23 90 28 31 was found in IC . growing conditions it is extremely important to know the use 0512324 during both the years Thickness of the neck is an. of local populations since in them the relationships among important parameter that determines the storability qualities. yield components are balanced and in harmony with the of onion varieties The onion genotype showed high. effects of the specific climatic and edaphic factors Principal variability in neck thickness It ranged from 0 62 to 2 73 cm. component analysis PCA one of the multivariate analysis and 0 94 to 2 96 cm during the years 2013 and 2014 . methods showed which of the traits were decisive in respectively Supplementary Table 4 The greatest neck. genotype differentiation Kovacic 1994 PCA enables easier thickness 2 73 2 96 cm was observed in IC 0392640. understanding of impacts and connections among different whereas the lowest 0 62 0 94 cm was observed in IC . traits by finding and explaining them The present 0588677 during both the years The Total soluble solid. investigation is an attempt to assess the magnitude of genetic ranged from 6 82 to 14 06 and 9 20 to 16 25 during 2013. diversity in the bulb yield potential of onion accessions and and 2014 respectively Supplementary Table 4 The highest. to isolate the diverse ones according to their genetic affinity total soluble solids 14 06 16 25 was found in IC 0512324. for future improvement programs whereas lowest 6 82 9 20 was found in IC 0338582. To make use of existing variability for an efficient breeding during the both years The dry matter content ranged from. program it is necessary to characterize variability of the 8 74 to 15 37 and 11 25 to 17 22 during the 2013 and. available germplasm for qualitative and quantitative traits 2014 seasons respectively Supplementary Table 5 The. and determine correlations among traits of interest maximum dry matter content 15 37 17 22 was found in. Considering the above facts this study was conducted to IC 0512324 while the lowest 8 74 11 25 in IC 0338582. determine the extent of natural variability that elicited in in both the years Polar diameter ranged from 2 60 to 7 22 cm. onion germplasm collected from the National Bureau of Plant and 2 15 to 6 83 cm during 2013 and 2014 respectively. Genetic Resources New Delhi India and to determine the Supplementary Table 5 Maximum polar diameter 7 22 . correlation among quantitative traits to derive breeding 6 83 cm was found in IC 0338582 Minimum polar diameter. strategies for development of high yielding cultivars 2 60 2 15 cm was obtained in IC 0391544 in both the. years The equatorial diameter ranged from 2 40 to 7 02 cm. Results and Discussion and 2 05 to 6 63 cm during both the years respectively. Supplementary Table 5 The greatest equatorial diameter. The germplasms were found to be rich in variability for all 7 02 6 63 cm was obtained in IC 0392640 while smallest. the studies characters While non significant difference was 2 40 2 05 cm in IC 0035182 during both the years The. observed among the characters between both the years of bulb shape index or the bulb dimensions are indirectly related. study The observation of data showed that the plant height to the yield and storage capacity of onion bulbs bulb shape is. ranged from 31 55 to 66 26 cm and 23 77 to 60 21 cm in both an important selection criterion and the desired shape. the years Supplementary Table 2 The maximum plant depends on the market preference Kepkova and Uniocka. height 66 26cm 60 21cm was found in IC 0391544 in both 1970 reported that onions with a diameter of 3 5 to 4 5 cm. the years The minimum plant height 31 55cm 23 77cm stored better than those with a diameter of 4 5 to 7 0 cm . was recorded in both the years The data obtained for number Considerable variation was found in the bulb shape of onion. of leaves per plant in onion genotypes have been tabulated in genotypes The shape can vary from flat to globe to torpedo. supplementary Table 2 The data reveal that the number of with different markets having different requirements Bulb. leaves per plant ranged from 5 34 to 16 64 and 14 06 to 5 54 shape has become an important aspect of market acceptability. during 2013 and 2014 respectively The highest number of as well as ease in packaging The onion bulb shape was. leaves per plant 16 64 14 06 was found in IC 0279582 in assessed by using the bulb shape index which is the ratio of. both the years The minimum number of leaves per plant the bulb height to diameter The bulb shape index values of. 5 54 5 34 was obtained in IC 0588677 in both the years genotypes IC 0035856 IC 0035992 IC 0038823 IC . Leaf length in onion genotypes ranged from 24 52 to 60 27. cm and from 24 29 to 57 54 cm during 2013 and 2014 . respectively Supplementary Table 2 The greatest leaf. length 60 27cm 57 54 cm was found in IC 0391544 in both. 330, Table 1 The bulb shape index values of genotypes . S no Genotypes Value 2013 Value 2014 Bulb shape index Shape. 1 IC 0035856 0 92 0 94 1 Flat, IC 0035992 0 99 0 98. IC 0038823 0 81 0 78, IC 0356095 0 90 0 87, IC 0369521 0 93 0 90. IC 0391544 0 77 0 70, IC 0392640 0 86 0 83, IC 0512324 0 80 0 75. IC 0524211 0 81 0 72, IC 0588677 0 89 0 91, IC 0039039 0 85 0 75.
2 IC 0279582 1 13 1 05 1 Torpedo, IC 0035182 1 31 1 21. IC 0035851 1 20 1 14, IC 0035940 1 22 1 30, IC 0047928 1 09 1 05. IC 0338582 1 06 1 08, IC 0440229 1 28 1 22, Local check 1 20 1 13. 3 IC 0035891 1 04 1 05 1 Globular, IC 0047940 1 01 1 02. IC 0279180 1 01 0 93, IC 0310990 1 01 0 98, IC 0374706 1 03 1 02.
IC 0392647 1 01 1 03, Fig 1 Dendogram showing the genotypic relationship among 26 accessions are based on morphological traits . 331, Table 2 Qualitative traits of onion germplasm . S No Genotypes Colour of Foliage Degree of Leaf Uniformity of Bulb Colour of Bulb Skin. Waxiness Shape, 2013 2014 2013 2014 2013 2014 2013 2014. 1 IC 0279582 2 3 5 3 5 3 5 5 1 1 1 1,2 IC 0035182 3 5 2 3 5 5 3 5 1 1 1 1. 3 IC 0035851 2 5 2 3 5 3 5 5 1 1 1 1,4 IC 0035856 2 5 2 5 3 5 3 5 2 2 1 1.
5 IC 0035891 1 2 1 2 3 3 5 5 2 2 8 9 8 9,6 IC 0035940 2 5 2 3 5 5 3 5 2 2 8 8. 7 IC 0035992 3 5 5 5 7 5 7 3 3 8 8,8 IC 0038823 3 5 5 5 7 3 5 7 1 1 8 9 8 9. 9 IC 0047928 2 3 5 2 3 5 5 5 1 1 8 8,10 IC 0047940 1 2 1 2 5 7 2 3 5 1 1 8 8. 11 IC 0279180 1 2 1 3 5 5 3 3 8 8,12 IC 310990 2 3 2 3 3 5 3 5 2 2 9 9. 13 IC 0338582 1 2 1 2 3 5 3 5 1 1 8 8,14 IC 0356095 1 2 1 2 3 3 2 2 8 8.
15 IC 0369521 3 5 3 5 3 3 1 1 4 5 4 5,16 IC 0374706 3 5 5 3 5 5 2 2 6 6. 17 IC 0374724 2 2 3 5 5 3 3 4 4,18 IC 0391544 3 5 5 3 3 5 1 1 4 4. 19 IC 0392640 5 5 5 7 3 5 7 1 1 3 3,20 IC 0392647 3 5 3 5 5 5 7 1 1 8 9 8 9. 21 IC 0440229 1 2 3 1 2 3 3 3 5 1 1 9 9,22 IC 0512324 3 3 5 5 5 7 1 1 9 9. 23 IC 0524211 5 3 5 5 7 5 7 1 1 9 9,24 IC 0588677 3 5 3 5 5 5 2 2 8 8.
25 IC 0039039 5 3 5 3 5 7 3 5 7 3 3 1 1,26 Local check 3 5 3 5 5 7 5 7 3 3 1 1. Colour of foliage 1 light green 2 yellow green 3 green 4 grey green 5 dark green 6 bluish green 7 purplish green Degree of leaf waxiness 3 weak . 5 medium 7 strong Uniformity of bulb shape 1 uniform 2 variable 3 highly variable Colour of bulb skin 1 white 2 yellow 3 yellow and light brown . 4 light brown 5 brown 6 dark brown 8 light violet 9 dark violet . Fig 2 Principal Component analysis of morphological data with respect to 26 onion genotypes . 332, Table 3 Pearson s correlation between quantitative and qualitative traits of onion germplasm . Traits PH NL LL LW CC MD D DB NT TSS DM PD ED BSI ABW BY. PH 1 0 480 0 855 0 197 0 237 0 244 0 450 0 342 0 228 0 224 0 523 0 523 218 0 454 0 451 . , NL 1 0 416 0 279 0 008 0 419 0 238 0 395 0 019 0 041 0 510 0 522 210 0 404 0 405 . LL 1 0 084 0 275 0 160 0 411 0 410 0 182 0 165 0 464 0 412 060 0 352 0 349 . , LW 1 0 290 0 514 0 490 0 207 0 074 0 107 0 739 0 805 333 0 692 0 692 . CC 1 0 245 0 105 0 364 0 116 0 155 0 193 0 220 075 0 229 0 230 . MD 1 0 306 0 481 0 325 0 317 0 665 0 699 242 0 597 0 597 . D DB 1 0 406 0 183 0 165 0 582 0 628 309 0 726 0 726 . NT 1 0 022 0 046 0 607 0 534 009 0 570 0 570 ,TSS 1 0 978 0 029 0 091 116 0 273 0 276 .
DM 1 0 043 0 102 110 267 0 269 ,PD 1 0 907 116 817 0 816 . ED 1 498 885 0 885 ,BSI 1 421 0 422 ,ABW 1 1 000 ,BY 1. Correlation is significant at the 0 05 level 2 tailed Correlation is significant at the 0 01 level 2 tailed . Table 4 Distribution of twenty six genotypes of onion in different clusters . Sr no Cluster Number of Genotypes, genotypes, 1 I 2 IC 0392640 IC 0440229. 2 II 10 IC 0035856 IC 0338582 IC 0356095 IC 0369521 IC 0512324 IC 0588677 IC . 0524211 IC 0374724 IC 0392647 IC 0038823, 3 III 2 Local Cultivar IC 0039039. 4 IV 12 IC 0035851 IC 0035940 IC 0374706 IC 310990 IC 0279582 IC 0035182 IC . 0035891 IC 0035992 IC 0047928 IC 0047940 IC 0279180 IC 0391544. Table 5 Average intra bold face and inter cluster distance D2 of 26 onion genotypes . Sr no Clusters I II III IV, 1 I 2 191, 2 II 2 542 2 778.
3 III 4 933 3 649 2 064, 4 IV 6 129 5 675 4 645 2 345. 333, Table 6 Mean values for four clusters based on fifteen morphological traits . Sr no Traits Clusters, I II III IV, 1 Plant Height cm 50 64 38 15 41 83 55 43. 2 Number of Leaves 12 90 8 43 12 87 12 86, 3 Leaf Length Cm 43 42 32 97 38 35 46 33. 4 Leaf Width Cm 1 16 3 02 1 09 1 20, 5 Chlorophyll content 39 14 42 32 37 88 44 34.
6 Days to maturity 134 26 141 53 133 60 135 95, 7 Double Deformed Bulb 53 38 27 90 38 03 70 86. 8 Neck Thickness cm 1 02 1 04 1 74 1 53, 9 TSS 7 90 9 40 12 48 8 58. 10 Dry matter 9 83 11 37 14 18 10 32, 11 Polar adiameter cm 3 13 5 93 3 60 3 36. 12 Equatorial Diameter Cm 3 06 6 43 3 43 2 89, 13 Bulb shape index 1 03 0 92 1 07 1 17. 14 Average bulb wt g 42 94 92 55 70 50 36 48, 15 Bulb yield kg plot 8 57 18 52 14 14 7 36.
Table 7 Eigenvalues and Variable lodging , PC 1 PC 2 PC 3. Eigenvalues 1014 28 140 27 96 54, Percentage 77 52 10 72 7 38. Cum Percentage 77 52 88 24 95 61, Variables PC 1 PC 2 PC 3. Plant Height cm 0 2 0 17 0 009, Number Of Leaves 0 042 0 044 0 067. Leaf Length Cm 0 158 0 216 0 61, Leaf Width Cm 0 023 0 024 0 013.
Chlorophyll content 0 011 0 046 0 033, Days to maturity 0 085 0 166 0 019. Double Deformed Bulb 0 546 0 037 0 368, Neck Thickness cm 0 011 0 006 0 015. TSS 0 021 0 014 0 692, Dry matter 0 02 0 019 0 01. Polar adiameter cm 0 036 0 025 0 021, Equatorial Diameter Cm 0 046 0 742 0 016. Bulb shape index 0 002 0 002 0 001, Average bulb wt g 0 773 0 567 0 048.
Bulb yield kg plot 0 155 0 114 0 012, Colour of foliage 0 002 0 013 0 054. Degree of leaf Waxiness 0 008 0 012 0 002, Uniformity of Bulb shape 0 011 0 015 0 032. Colour of bulb skin 0 034 0 063 0 002, 0356095 IC 0369521 IC 0391544 IC 0392640 IC shape and colour of bulb skin under the study The. 0512324 IC 0524211 IC 0588677 IC 0039039 were found characterization of onion varieties is presented in Table 2 . to be less than 1 considered as flat Table 1 while IC. Jagdish Singh Arya1 Narendra Singh1 Preeti Singh Arya2 Anil Kant3 1Defence Institute of High Altitude Research Defence Research amp Development Organization C o 56 APO Leh Ladakh Jammu amp Kashmir India 194 101 2Department of Biochemistry Narendra Dev University of Agriculture and Technology Kumar Ganj Faizabad Uttar Pradesh India 224229

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