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Progress Report

National Innovations in Climate Resilient Agriculture PI: Dr. S.R.Voleti

Narasimha Swamy K. Research Associate NICRA-Project Plant Physiology Section I.I.R.R.

PI: Dr. S.R.Voleti

Objectives:

• Screening the selected genotypes under heat stress.
• Further screening for better performing genotypes

under both Heat stress NUE.

• To study the nitrogen effect on essential elements

(Bio fortification studies)

• To generate breeding material with identified heat

tolerant donor

5 10 15 20 25 30 35 40 45 Filled grain/ hill Unfilled grain/ hill panicle wt/hill TDM/ hill HI/ hill

Aromatic lines

N-100 HT 0.00 10.00 20.00 30.00 40.00 Filled grain/ hill Unfilled grain/ hill panicle wt/hill TDM/ hill HI/ hill

Germplasm lines

N-100 HT

Rabi 16-Yield data

10 20 30 40 50 60 70 Filled grain/ hill Unfilled grain/ hill panicle wt/hill TDM/ hill HI/ hill

Upland rice

N-100 HT 10 20 30 40 50 60 70 80 90 Filled grain/ hill Unfilled grain/ hill panicle wt/hill TDM/ hill HI/ hill

Aerobic rice

N-100 HT

10 20 30 40 50 60 70 80 90 Filled grain/ hill Unfilled grain/ hill panicle wt/hill TDM/ hill HI/ hill

DRR and Others released varieties

N-100 HT 10 20 30 40 50 60 70 80 90 Filled grain/ hill Unfilled grain/ hill panicle wt/hill TDM/ hill HI/ hill

Heat tolerant lines from PAU &IRHTN lines-2009-10

N-100 HT 20 40 60 80 100 Filled grain/ hill Unfilled grain/ hill panicle wt/hill TDM/ hill HI/ hill

Heat tolerant lines from PAU &IRHTN lines-2009-10

N-100 HT 10 20 30 40 50 60 70 80 90 Filled grain/ hill Unfilled grain/ hill panicle wt/hill TDM/ hill HI/ hill

Restorer lines

N-100 HT 10 20 30 40 50 60 70 80 90 Filled grain/ hills Unfilled grain/ hills panicle wt/pl TDM/ hills HI/ hills

Hybrids

N-100 HT

10 12 14 16 18 20

Bio fortification studies

N-100

2 4 6 8 10

Fe Zn N-0

S No. Cross combination 1 Somaly X MTU1010

The identified heat tolerant donor Somaly crossed with high yielding varieties (short to medium duration) to generate the breeding material for heat tolerance

1 Somaly X MTU1010 2 Somaly X Prasanna 3 Somaly X BPT 5204 4 Somaly X Vandhana

S No. Cross combination (Control set X Heat tunnel set) 1 IR55178 X IR55178

The donors grown in the field conditions crossed with the same set grown in heat tunnel and reciprocal crosses were also made to generate breeding material to study the pollen/stigma effect in the seed setting.

1 IR55178 X IR55178 2 IR82310-B-B-67-2 X IR82310-B-B-67-2 3 HT-3 X HT3 4 HT-5 X HT5

Future work plan

• Stomatal features & Carbon and N metabolic Changes

in temperature gradient tunnel.

• in temperature gradient tunnel.
• Hybrid conformation in F1 using the polymorphic markers.

• Swamy KN, Kondamudi R, Kiran TV, Vijayalakshmi P, Rao PR, Subrahmanyam D and Voleti SR (2015). Screening for

nitrogen use efficiency with their root characteristics in rice (Oryza spp.) genotypes. Annals of Biological Science. 3: 8-11.

• Swamy KN, Kondamudi R, Vijayalakshmi P, Jaldhani V, Suchandranath B Munnam, Kiran TV, Srikanth B, Subhakar Rao

I, Sailaja N, Surekha K, Neeraja CN, Subbarao LV, Rao PR, Subrahmanyam D and Voleti SR (2015) A Comparative study on nitrogen response among Upland, IRHTN and DRR & other released Rice groups. African journal of agricultural research.10: 4364-4369.

• Kiran TV, Vijayalakshmi P, Rao YV, Swamy KN, Kondamudi R, Srikanth B, Subhakar Rao I, Suchandranath babu M,

Jaldhani V, Neeraja CN, Surekha K, Rao PR, Subrahmanyam D, Subbarao LV and Voleti SR (2016). Effects of nitrogen limitation on antioxidant enzymes, chlorophyll content and grain yield of rice genotypes. Asian Research Journal of

• Agriculture. 1 : 1-10.
• Rajesh Kondamudi, K. N. Swamy, Y. Venkateswara Rao, T. Vishnu Kiran,K. Suman, D. Sanjeeva Rao, P. Raghuveer Rao,

List of Publications:

• Rajesh Kondamudi, K. N. Swamy, Y. Venkateswara Rao, T. Vishnu Kiran,K. Suman, D. Sanjeeva Rao, P. Raghuveer Rao,
• D. Subrahmanyam, N. Sarla, B. Ramana Kumari, S. R. Voleti. (2016). Gas exchange, carbon balance and stomatal traits in

wild and cultivated rice (Oryza sativa L.) genotypes. Acta Physiol Plant, 38:160.

• Srikanth B, Subhakar Rao I, Zehra Moiz M, Swamy KN, Surekha K, Subrahmanyam D, Subbarao LV, Vijayalakshmi P,

Voleti SR Neeraja CN (2016). Physiological and Molecular characterization of three rice genotypes with differential nitrogen use efficiency published in Asian Journal of Bioscience. 11:162-171.

• Srikanth B, Subhakar Rao I, Swamy KN, Vijayalakshmi P, Surekha K, Zehra Moiz M, Lakshmi Narasu M, Archana Giri MS,

Voleti SR Neeraja CN (2015). Physiological and molecular analysis of GQ-25, a promising genotype for nitrogen use

• efficiency. Progressive research- An International Journal.10: 651-656.
• Vijaya Lakshmi P; Vishnukiran T; Ramana Kumari Basava; Srikanth B; Subhakar Rao I; Swamy KN; Subbarao LV;

Raghuveer Rao P; Subrahmanyam D; Neeraja CN (2015). Biochemical and physiological characterization for nitrogen use efficiency in aromatic rice genotypes. Field Crop Research, 179: 132-143.

• Vijayalakshmi P, Venkateswara Rao Y, Vishnukiran T, Yugandhar P, Swamy KN, Surekha K, Neeraja C.N.,

Raghuveer Rao P. and Voleti S.R (2015). Germination Behavior and Chlorophyll content of Aromatic Rice (Oryza sativa L.) genotypes under varied Nitrogen concentrations. Journal of Global Biosciences. 7: 2911-2920.