The tulu, a popular ornamental plant, does not reproduce naturally, and is only bred and sold by specialized horticultural companies  Unfortunately, the tulu is easily devastated by a contagious fungal rot  The government ministry plans to reassure worried gardeners by requiring all tulu plants to be tested for fungal rot before being sold  However, infected plants less than 30 weeks old have generally not built up enough fungal rot in their systems to be detected reliably
And many tulu plants are sold before they are 24 weeks old
Ensuring that tulu plants not be sold before they are 30 weeks old