Stem Splitting of Cucurbit Crops
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Stem splitting is most often observed in transplant production when temperatures are low or when there is a period of rapid growth resulting from high temperatures, increased irrigation, or high fertility. In minor cases plants can be transplanted with few ill effects; however, in severe cases seedlings should not be transplanted if possible.
Stem splitting on watermelon transplants.
(Photo: Timothy Coolong, University of Kentucky)
Management:
- Prior to transplanting, provide warm, uniform temperatures for seedlings to help prevent uneven growth during transplant production.
- Once plants are in the field, provide consistent irrigation and fertilization.
