Delonix regia, Reaf. |
(Syn. Poinciana regia) |
Family: Leguminosae- Caesalpinioideae |
Common Name : Gulmohar |
Telugu Name : Erraturayi |
|
General :
It is a native of Madagascar . It is widely cultivated as garden and avenue tree both in dry and moist regions of A.P. It is capable of growing in poor dry soil.
Flowering :
Bunches of scarlet red flowers appear in April to July when the tree becomes leafless. |
|
Fruiting : |
August to October. Pods remain on the tree for 1 year. |
Morphology of the Fruit/Seed : |
Pods large, flat, 40 to 70 cms by 2.5 to 4 cms in size, compressed, hard, brown or black when ripe. 20 to 30 seeds in distinct cavities, Greyish white, with a dark ridge, hard bony testa, oblong, 1.5 to 2 cms in length. |
Seed Collection and Storage : |
Pods are collected in September to October, immersed in water for 10 to 15 days and then dried for 2 to 3 days in sun and beaten up to separate the seed. The viability is retained upto 2 years. |
Seed Biology : |
No.of seeds per kg. |
Purity percent |
Moisture percentage |
Germination percentage |
Plant percent |
No. of seedlings per Kg. of seed |
2910 to 3245 |
100 |
6.4 |
24 to 68 |
19 to 30 |
420 to 975 |
|
|
Pretreatment:
Seeds placed in boiling water and allowed to soak for 5 days or soaking the seed in cold water for 10 days.
Nursery Technique :
Pretreated seeds are sown in polybags in September, germination commences within 30 to 35 days. 6 to 9 month old seedlings are planted out.
|