How are Himalayan balsam seeds dispersed? The seeds can remain viable for up to 2 years but Himalayan balsam does not form a persistent seedbank in soil. The seedpods are dehiscent and explode when touched
How are Himalayan balsam seeds dispersed?
The seeds can remain viable for up to 2 years but Himalayan balsam does not form a persistent seedbank in soil. The seedpods are dehiscent and explode when touched or shaken. The seeds are expelled up to 7 m from the parent plant. The seed is transported by water but can also be carried in mud by animals and man.
Why is seed dispersal useful to Himalayan balsam plants?
Himalayan Balsam plant dispersing it seeds by exploding, sending the seeds up to 23 feet away. Seed dispersal can help to prevent overcrowding and reduce the competition between the young and adult plant for water, space, nutrients and sunlight.
How does Himalayan balsam spread?
Himalayan balsam spreads quickly as it can project its seeds up to four metres. Many seeds drop into the water and contaminate land and riverbanks downstream, but the explosive nature of its seed release means it can spread upstream too.
What is the method of seed dispersal in balsam called?
Answer: The Balsam fruit has a pod-like structure with seeds that are quite light. The seeds are dispersed by splitting action or otherwise known as explosive action.
Can I remove Himalayan balsam?
The most effective method of controlling Himalayan balsam is cutting and hand pulling. If you’re getting rid of Himalayan balsam plants by hand, let the cut plants lie on the ground in the sun for a few days to dry out and die before composting them. Herbicides also work but only as a last resort.
Can you burn Himalayan balsam?
Burning alone may not be sufficient to kill the plant material. Pulling up Himalayan balsam before the plants flower is the most effective method of control. Do not cut the plants before they flower as this can result in a more bushy plant that produces more flowers. The best time to cut is late May.
Is it illegal to plant Himalayan Balsam?
It is illegal to plant or allow Himalayan Balsam to grow in the wild and is listed under Schedule 9 to the Wildlife and Countryside Act 1981. If you have Himalayan Balsam growing in your garden, you must control it in order that it does not spread.
Is balsam seed dispersed by explosion?
The seed comes out of the seed pod by a explosive event. The pod or fruit of balsam tree are quiet light. These disperse the seeds by the splitting action of the pod it looks like an explosive event. The seeds may be dispersed by the distance of 3-5 meters from the tree.