Himalayan balsam case study for allaien invade plant in the uk 0.0 / 5 ? GeographyEcosystems and biodiversity under threatCase studiesA2/A-levelAQA Created by: George G HealCreated on: 18-11-15 19:33 what is it annual flowering plant. flowering between June and October flower are hat shaped normal grow to 1-2 meter high the flower are pink It is illegal to grow in the wild in the uk 1 of 4 were is it from from the Himalyan. hence the name human Introudction rusulted it being present in the Northen Hemispher. it normal found near an aduncdance of moisuter. 2 of 4 what damage dose it do. spreads quickly and form dense thickets. the seeds spread quickly, leading to large area geeting covred fast they proudces a lot of pollen which reudce the pollination of native plants. move up stream up due to exploding seed pods. 3 of 4 how are they trying to eradicate it revome it before seed set in. if it got shallow roots it can be pulled out. if seeds are present you have to burn it to kill the seeds. if the above is done regular it should die our within 2-3 years trimming of a large area can stop and prevent flowering, 4 of 4
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