Poinsettias have a longer production cycle than most greenhouse crops, and also one of the smallest sales windows. Therefore, anything that delays or stunts the crop can lead to potential crop failure.
One of the most common causes of poinsettia production delay are root diseases in the crop. Disease management in poinsettia crops should be focused on prevention as opposed to control. Once a disease has infected a plant and symptoms become visible, control is difficult and often ineffective.
Understanding the pathogen sources and environmental conditions that promote infestations helps to minimize those situations before a disease takes hold.
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