Micronutrient deficiency-induced interveinal chlorosis on schizanthus

Staff
1 Min Read



Late in production, this schizanthus crop developed interveinal chlorosis. It didn’t just require a quick diagnosis- it also needed a quick fix

Schizanthus (Schizanthus x wisetonensis) is an excellent cool-season crop. Sometimes called a “poor-person’s orchid”, it is a seed-propagated potted plant that is great for the postChristmas and pre-bedding plant season. It is relatively easy to produce. With respect to growing environment, it grows well with cool air temperatures and flowers faster under long days or night interruption. For plant culture, schizanthus best with general pH and moderate electrical conductivities (EC).

I was contacted by a commercial producer who was producing a smaller- but nonetheless important- crop of 4-inch containerized schizanthus this spring. Although the crop had been growing well, it had started to develop interveinal chlorosis just as it was starting to flower, nearly ready to be marketed and sold. Our goal was to diagnose what was causing the symptoms we were observing and try to identify an expedient solution.

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