what has happened to our 28 year old amaryllis?

Question

we grew our amaryllis from seed it is now a 28 years old bulb it does every thing its supposed to do it has great blooms every year and the leaf's are approx 3ft - 4ft long and 3" x 3 1/2" wide but on the under side of some of the leafs there seems to be something growing on it looks like thorns growing they are like a light green rose thorn but not quite as sharp any body know what they could be as i have never heard of them on amaryllis before ? ?

Answer 1

no,but i would use a systemic insecticide and a fungicide