ppt presentation on heritability.

1. GENETIC VARIABILITY AND
HERITABILITY FOR YIELD
AND YIELD ASSOCIATED
TRAITS OF WHEAT
GENOTYPES
BY
Muhammad Anas

2. Contents
• Introduction
• Materials and Methods
• Results
• Conclusion

3. INTRODUCTION
• Wheat (Triticum aestivum) belongs to family Gramineae. In Pakistan wheat is called
gandum (Urdu), ghanum (phasto).
• Wheat is cultivated in more land than any other commercial food trade in the world.
• Wheat, based on production and area harvested, is ranks first among cereals around the
world.
• It also makes a greater contribution to people's supply of energy and protein than any
other crop.
• While the production of wheat has been growing considerably,
In Pakistan over the last few decades, food security for an ever-
greater population needs to be assured.

4. • Wheat is the world's leading grain crop produced as a (rabbi) crop, and in region
and production it surpasses all other crops.
Statistics on the production of wheat 2018-2019
Production
Million tones
Area
Million hectare
Yield
(kg/ha)
Worldwide 765 215 34254
Pakistan
KPK
25.07
1.13
8.79
0.74
2850
1795

5. OBJECTIVES
Determine genetic variability in bread wheat
genotypes.
Estimate heritability and genetic advance
for yield and yield related traits

6. Materials and
Method
• Location: UAP
• Genotypes: 12
• Growing season: 2019-2020
• Design: RCB
• Replications: 3
• Row to Row: 0.3m
• Row Length: 3 m
• Traits studied: 10

7. Traits
studied
1. Plant height (cm)
2. Spike length (cm)
3. Spike weight (g)
4. Spikelets spike-1 (no.)
5. Spike density
6. Grains spike-1 (no.)
7. 1000-grain weight (g)
8. Biological yield Kg ha-1
9. Grain yield Kg ha-1
10.Harvest index (%)

9. RESULTS

10. MEAN SQUARE FOR VARIOUS PARAMETERS
SOV DF Plant height Spike length Spike weight Spikelets
spike-1
Grains
spike-1
REP 2 13.36 0.20 0.01 0.03 10.15
GENO 12 130.85** 1.86** 1.17** 3.09** 221.95**
ERROR 24 5.55 0.45 0.05 0.05 37.11
CV (%) -- 2.62 7.58 11.72 1.39 14.56
R2 -- 0.92 0.68 0.92 0.96 0.75
**=significant at 1% probability, *= significant at 5% probability.

11. MEANS FOR VARIOUS PARAMETER OF 12 GENOTYPES
Genotypes
Plant height Spike length Spike weight Spikelets spike-1 Grains spike-1
AUPG01 99.00 8.77 2.11 16.25 43.07
AUPG02 79.00 7.37 1.93 15.88 48.40
AUPG03 79.67 7.63 2.09 17.50 42.40
AUPG04 94.00 8.87 2.00 17.25 38.60
AUPG05 97.00 8.93 1.15 17.88 31.07
AUPG06 91.33 10.00 1.39 16.38 59.40
AUPG07 92.00 9.90 2.23 17.50 39.20
AUPG08 92.33 8.63 1.94 15.88 29.67
AUPG09 85.00 9.23 1.25 15.13 30.20
AUPG10 97.00 9.90 2.22 15.75 40.93
AUPG11 82.00 8.67 2.06 18.63 48.33
AUPG12 89.00 8.77 1.31 15.88 50.47
LSD (5%) 3.89 1.12 0.35 0.32 10.05

12. MEAN SQUARE FOR VARIOUS PARAMETERS
SOV DF Spike
density
1000 GWT Biological
yield
Grain yield Harvest
index
REP 2 0.02 1.14 40000.00 30588.88 40.08
GENO 12 0.14* 110.25** 344204.75** 222886.03** 118.75*
ERROR 24 0.05 17.34 25000.00 5828.66 45.84
CV (%) -- 11.92 11.11 2.96 3.34 16.04
R2 -- 0.58 0.76 0.87 0.96 0.59
**=significant at 1% probability, *= significant at 5% probability.

13. MEANS FOR VARIOUS PARAMETER OF 12 GENOTYPES
Genotypes
Spike density 1000 GWT Biological
yield
Grain yield Harvest index
AUPG01 1.86 34.33 6090.33 2176.67 35.75
AUPG02 2.16 37.47 5528.33 2431.33 45.65
AUPG03 2.30 42.33 4776.67 2508.00 51.82
AUPG04 1.95 43.33 5641.67 2698.67 47.33
AUPG05 2.01 27.80 5150.83 2446.80 41.78
AUPG06 1.64 28.47 5278.17 2246.50 42.33
AUPG07 1.79 44.77 5001.67 2716.67 54.32
AUPG08 1.87 33.13 5733.17 2194.83 38.33
AUPG09 1.64 39.67 5111.67 1810.00 33.89
AUPG10 1.59 40.23 5243.17 2118.17 40.40
AUPG11 2.15 42.80 5306.67 1938.33 34.08
AUPG12 1.81 41.27 5341.67 2080.00 40.69
LSD (5%) 0.38 6.87 260.90 125.98 11.17

14. Conclusion
Desirable minimum plant height was observed
for AUPG02.
Genotype AUPG07, followed by AUPG06 and
AUPG04 are out-yielded all other genotypes
due highest performances for grain yield.
Genotypes AUPG07 and AUPG04 had higher
1000-grain weight.
High heritability coupled with moderate to
high genetic advance was recorded for plant
height, grains spike-1, biological yield, and
grain yield.

15. ANY QUESTION

16. THE END
THANK YOU