Temperate Vegetables (1+1)

PHYSIOLOGICAL DISORDER OF CABBAGE

Cracking

• Leaves may grow through head.
• Possible Reasons
• Excess N fertilizer
• Hot dry weather.
• Plant the crop at a time so that the crop develops in mild or cool weather

Control measures:

• Do not allow soil dry out.
• Fertilize properly.

PHYSIOLOGICAL DISORDERS OF CHINESE CABBAGE

Tip Burn: Most common disorder.

• Calcium deficiency results in rotting of leaf margins.

Control measures:

• Two foliar applications of CCC at 1120 or 2240 ppm combined with CaCl₂ at 2g/Lor 4 applications of CaCl₂ alone reduced the appearance of tip burn.
• Spraying 5 times with 0.7% CaCl₂ + 50 ppm NAA.

Bolting

• Premature seed stalk development may take place due to sudden rise in temperature.

Control measures:

• Timely planting checks this disorder