A lot of watermelon growers have had to deal with hollow heart this season. It’s not known for certain what causes hollow heart, but research is pointing toward pollination deficiency.
Hollow heart is a separation of the cells in the flesh of the fruit, which causes a fissure to form. A fissure can form from stem to blossom (length ways) or it can form across the width of the fruit. The cells won’t grow, so a gap will form. As the melon expands, most of the time, that gap gets bigger. This is a problem because a melon with hollow heart cannot be sold in the market. Read More