Pith necrosis – Vegetable Crops Hotline

Pith necrosis

pith necrosis of tomato

Figure 1. Initial symptoms of pith necrosis of tomato may appear to be minor necrosis on the stem.

pith on stem

Figure 2. Dark pith necrosis lesion on tomato stem.

pith necrosis of tomato

Figure 3. Early symptoms of pith necrosis of tomato.

tomato pith necrosis

Figure 4. A dark lesion of tomato pith necrosis extends along the stem and leaf petioles.

Pith necrosis discoloration

Figure 5. Pith necrosis of tomato can sometimes cause internal stem discoloration as seen here.

pith necrosis chambered

Figure 6. Dark necrosis on stem and chambered pith caused by tomato pith necrosis.

tpn

Figure 7. Tomato pith necrosis.

tomato plant with pn

Figure 8. A portion of a tomato plant with symptoms of pith necrosis has begun to wilt due to stem lesions.

bad stem

Figure 9. Withered stem due to tomato pith necrosis.

 

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