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Visual Symptoms:
The plants first displayed slight stunting when compared to the control. The growing tips and newly expanding leaves showed signs of stunting and irregular growth habits. As the newly expanding leaves developed, the basal portion of the leaflets remained narrower and displayed a lighter green coloration when compared to the leaflet tip. As symptoms progressed, the yellowing at the leaflet basal portion became more intense, and the leaflets began to show symptoms of interveinal chlorosis. The new leaves that expanded showed severe stunting and marginal necrosis, resulting in leaves with irregular geometries and orientations. In advanced symptoms, the yellowing leaves and growing tips became necrotic. The death of the growing tip caused a proliferation of axillary shoot development to occur, resulting in a more branched architecture (Cockson et al., 2019).
Additional Information:
Characterization of Nutrient Disorders of Cannabis sativa
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