Author Archives: Franz Niederholzer

June Hull Rot Reminder

Hull rot infections can cost growers a lot of money; money in lost crop this year, money in more sanitation costs this winter, and money in lost spurs and shoots for future crops. There are two disease organisms responsible for hull rot damage. The first is Monilinia (brown rot), which infects the hull just prior to hull split in early to mid-June. Continue reading

Why are some prune trees yellow in the spring?  The Bicarbonate Blues.

Wet springs often means more yellow, iron (Fe) deficient prune trees than in dry years. Iron deficient prune trees show yellow leaves with green veins and limited vigor. The problem is actually not soil Fe deficiency, but a lack of iron in the right form within trees. Researchers believe Fe deficiency in tree crops is related to soil bicarbonate levels. Continue reading