AsNoriuanswered grow question 6 months ago A. Boiled root , weakens plant ( watering on hot day in morning )
B. Calcium overdose , but i see no signs , more Nitrogen excess ;))
C. Strong wind and plant is too lanky to cope with it, giving support was smart idea.
D. Underwater , plants overdried and became lanky.
Think that all possible threats, support should help a lot. Good watering regime could sort others.