Leaves have brown margins and shrivel

Possible cause(s)

Dry soil

Salt damage



Fertilizer burn


Potassium deficiency


Cold injury

Control and comments

Supply adequate water regularly

Analyze soil and water for salt content. Keep salty water off foliage. Leach with good quality water. Plant more tolerant crop.

Do not overapply fertilizer. Flush soil with water. Test soil for soluble salts level.

Test soil for deficiency. Apply potassium fertilizer or compost. See nutrient key

Protect from cold with hot caps, floating row cover. Plant later.


Picture
Frost damage (UC IPM)