Pigeon Pea / Redgram /Arhar Oneliner - Agronomy Important Q & A For All Competitive Exam
1. Origin of pigeon
pea: Africa
2.
Botanical name of pigeon pea: Cajanus cajan
3.
Family of pigeon
pea: leguminaceae / papilionaceae
4.
Chromosome number of pigeon pea: 2n=22
5.
Germination type of pigeon pea: Hypogeal.
6.
Protein in pigeon
pea: 21-25%
7. Inflorescence of pigeon pea: Axillary Raceme
8. Other name of pigeon pea: Red gram, Congo pea, no eye pea, Arhar, tur.
9.
Deep rooted system
in pigeon pea crop.
10. Pigeon pea is an Often cross pollinated crop.
11. Pigeon pea is a C3, short day plant
12. 1 gram of protein = 1 gram of carbohydrate.
13.
Stems are woody, branchy can go up >4m
14. Pigeon pea is a Hardy crop, most drought
tolerant crop.
15.
Harvesting index of pigeon pea, lowest among cereals 19%
16.
Storage moisture percentage of pigeon pea: 10-11%
17.
Test weight of pigeon pea: 72g
18. Fruit type of pigeon pea: Pod
19.
Edible part of pigeon pea: Seed
20. Water requirement of pigeon pea: 300-350 mm
21. Cajanus cajan var. flavus (tur) is a –
- Short duration
- Pods are light colored with 3-4 seeds
- Annuals, yellow flowers, fewer plain pods
- Plant hight 2-3 metre
- Early maturity (100-150 days)
- No red vines present.
- Flowering in Dec. – Feb.
- Pod maturity at different time.
- Cultivated in Southern India
22. Cajanus cajan var. bicolor (arhar) is a-
- Long duration, flowers yellow with purple streak
- Std petals bears red veins on dorsal side
- Pods are dark colored with 5-7 seeds
- Cultivated in northern India
23.
Flowering Sep. – Nov.
24. Pod maturity
at same time (synchronization)
25.
Plant height 5-6 metre.
26. Late maturity
(150-180 days)
27. It is also found suitable for forage, as cover crop, shade and hedge.
28. Temp. Required to pigeon pea at
- Germination: 30-35C,
- Vegetative growth: 20-25C,
- Flowering and pod development: 14-18C,
- At maturity: 35-40C