t’s a tempting thought. Thicken up a thin alfalfa stand by simply interseeding new alfalfa into the existing crop. Unfortunately, it’s not the same as throwing a little grass seed into the bare spots in your lawn. And, according to
“In recent years, some agronomists have touted the merits of using high rates of fungicide seed treatment to successfully interseed existing alfalfa stands,” shares Rankin. However, autotoxicity, competition and disease factors still are major concerns that hinder the potential success of this practice.”
Rankin cites a
The upshot, say Rankin: “Current recommendation stands. Except in the case of severe winterkill in which old stands are basically non-existent, the practice of interseeding alfalfa into alfalfa to thicken stands has rarely been successful.” To read a longer summary of Rankin’s comments, follow this link.