Answer:
Some students have throuble breathing in masks or feel suffocated. You have to social distance so it's harder to do group or hands on projects, its also hard to space out the desks. Teachers constantly leaving if they are positive, or even the students themselves having to leave and quarantine
the obligate parasite requires strigolactones for seed germination and not karrikins. The plant secrete strigolactone from its root into the soil as mentioned. In the soil, strigolactone promotes the seed germination of the parasitic weed.
The strigolactones can be beneficial for the germination and growth of the weed plant.
