Fusarium wilt threatening your precious plants? Trianum® Shield provides broad-spectrum disease control, including Fusarium. This preventative and curative fungicide safeguards your plants with its unique mode of action. Protect your garden's health and beauty with Trianum® Shield. Fusarium wilt threatening your precious plants? Trianum® Shield provides broad-spectrum disease control, including Fusarium. This preventative and curative fungicide safeguards your plants with its unique mode of action. Protect your garden's health and beauty with Trianum® Shield.