Yellowing of fields

Yellowing (Close Up)

Small Leaves

Stunted shoots, may be normal color

Diseased symptom: Narrow leaflets, etiolated effect, early symptom

Infected Shoots

Chlorotic infected patch

Very early symptom, note narrowing of very young leaflets

Early symptom, note early stage of chlorosis

Early winter symptom, stunting and terminal purpling

Mid-stage symptom, most of plant chlorotic

Close-up of bleached watercress shoot

Close-up of necrotic Watercress shoot

Mid-late stage symptom, chlorotic and stunted terminals

Advanced chlorosis, note some beached and some necrotic shoots

Advanced or late symptom,witches broom effect

Infected shoots (underside)

Healthy vs. Infected Shoot

Left: Healthy terminals Right: Diseased terminals

Discolored, diseased roots

Discolored Roots

Left: Diseased stem & roots Right: Healthy stem & roots

Normal color stunted shoots, Note: uniform axilary proliferation from one stem

Shortened Root System

Parrot’s feather

Myriophyllum brasiliense

Flora’s paintbrush

Emilia sonchifolia

Sow thistle

Sonchus sp.

Broadleaved plantain

Plantago major

Amaranth

Amaranth sp.

False daisy

Eclipta prostrata