Pigeonpea crop improvementksiconnect.icrisat.org/.../CV-sameerkumar-ravinderreddy.pdf ·...

1

Dr C V Sameer Kumar

Pigeonpea crop improvement

Global Scenario

Asia:

India;

Myanmar

ESA:

Kenya

Tanzania

Uganda

Malawi

Mozambique

C & CA

Non adoption

Rainfed

Management

Market price

Biotic and Abiotic

Out crossing

Low priority

Seed system

Commercial perspective

Maharashtra 11,00,000 800

Karnataka 7,00,000 500

AP 5,80,000 475

Rangareddy 39000 650

Mahabubnagar 100000 450

Nalgonda 40000 460

Sowing and plant population

3kg/acre - 5 to 6 kg/acre

30 cm in light soils and 45

cms in heavy soils

Space planting and square

planting

Time of sowing

Light soils June

Heavy Soils July

Nipping

August sowings

Rabi Redgram

Choice of Varieties

Light Soils : PRG 158, PRG 100, ICP 8863,

ICPL 332 WR (RGT4), RGT1,TS 3R

150 – 160

Heavy Soils: Asha, Laxmi and Hybrids

LRG 41, LRG 30, 180

Early Duration: PRG 176, ICPL 88039, ICPL 84031,

ICPL 88038, ICPL 85010, ICPL 87

(120 -140)

Super Early

Drought Management

Excess population

Urea 2 % solution

Flowering and Yield

Drought,

Fog/clowdy climate

Irrigation

Growth Hormones

Sitofex,

Chamatkar

Pest Management

Primary Gene Pool

Cajanus cajan and its

land races.

P

S

T

Q

Secondary Gene Pool

C. cajanifolius, C. lineatus,

C. lanceolatus,

Tertiary Gene Pool

C. goensis, C. heynei, C.

kerstingii, C. mollis,

C. rugosus, C. volubilis, C.

platycarpus,

Quaternary gene Pool

Flemingia, Rhynchosia,

Dunbaria, Erisema.

55-210

39-365

6-915

50-1200

2-22

3-66

1-145

97-260

Strengths in the crop

Hybrid Variety

At 60 days

Advantages of Hybrids

• More vigor and yield

• 44% greater shoot mass

so needs low seeding

rates

• 40-50% greater root mass

with greater drought

tolerance

• Ideal for inter-cropping

Innovative Interventions

APSSDC

NSC

SAU NGO

s

Progressive

Farme

rs ICRISAT

Ax R Seed production Chain

Commercial hybrids over 100000 ha

1. 657 tones -2013

2. Niches

3. Honey bee units

4. Staggering

5. Row ratios

6. Procurement

price

7. Subsidy

1. Standards

2. Researchable

issues

3. 150000 ha

Off Season

Different CMS systems NAM and MAGIC Obcordate parental lines Hybrid Purity Assement Kits Two Line breeding BT Redgram Clestolines

Normal A-8 CMS

X

Research thrust Areas

Thank you!

ICRISAT is a member of the CGIAR Consortium