Sesbania Grandiflora Seeds Germination & Benifits

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DESCRIPTION

Sesbania grandiflora is a loosely branching tree up to 15 m tall. Its leaves are pinnately compound up to 30 cm long with 20-50 leaflets in pairs, dimensions 12-44 x 5-15 mm, oblong to elliptical in shape. Flowers are large, white, yellowish, rose pink or red with a calyx 15-22 mm long. The standard has dimensions up to 10.5 x 6 cm. Pods are long (20-60 cm) and thin (6-9 mm) with broad sutures containing 15-50 seeds.

ENVIRONMENT ADAPTATION

It is well adapted to hot, humid environments and does not grow well in the subtropics particularly in areas with cool season minimum temperatures below about 10°C.

It is outstanding in its ability to tolerate waterlogging and is ideally suited to seasonally waterlogged or flooded environments. When flooded, they initiate floating adventitious roots and protect their stems, roots and nodules with spongy, aerenchyma tissue. Evans and Macklin (1990) report that S. grandiflora is adapted to rainfall conditions of 2,000-4,000 mm but will grow in areas receiving only 800 mm.

Another outstanding feature is its tolerance of both saline and alkaline soil conditions (Hansen and Munns 1985). However, its tolerance of highly acid, aluminium saturated soils is not known.

CULTIVATION

It is usually established from seed. Sesbania grandiflora is not hard-seeded and usually germinates well without scarification. It has specific rhizobial affinities so Domergues et al (1999) recommend inoculation with the appropriate strain of Sinorhizobium saheli if native rhizobial populations are inadequate. One of the major advantages of perennial Sesbania species over other forage trees and shrubs is their rapid early growth rates.

GERMINATION

Step 1:
Fill a pot with water that equals five times the seed volume and brings it to a boil on a stove. Check the temperature of the water with a cooking thermometer, and when it reaches 176 degrees Fahrenheit, remove the pot from the stove.

Step 2:
Place the monkey pod tree seeds in the hot water and stir them for up to two minutes with a spoon before draining the liquid.

Step 3: 
Fill a bowl with lukewarm water that's between 86 and 104 degrees Fahrenheit and soak the seeds in it for 24 hours. This pre-treatment is called scarification and alters the hard seed coat, which increases the chances of uniform germination.

Step 4: 
Fill a pot with the moist seed-starting mix up to 1 inch from the top, place the seed on top of the surface and cover it with a 1/2-inch layer of the mix. Tamp down lightly and moisten the surface with a water-filled spray bottle to avoid washing away the seed.

Step 5:
Cover tightly plastic polythene wrap over the pot to promote soil moisture retention and place it in a dimly lit area of the house. Lift the plastic daily to check that the soil is moist. If not, lightly moisten it with a water-filled spray bottle before replacing the plastic. Expect germination within three to five days.

Step 6: 
Remove the plastic as soon as the seedlings emerge, and gradually move the pot to a brighter area over a two-week period so that at the end of that time they're acclimated to being in full sunlight.

Step 7: 
Transplant the seedlings outside to an area with full sun and well-draining soil after three to five months, when the seedlings are about 8 to 12 inches tall.


IMPORTANT WATERING USE: Use watering can for watering. By moving the water stream constantly waves the can. Do not let the water to flood in particular area. Or use a sprayer to spray the water like mist.