What r d Deficiency Symptom of phosphorus,boron $ Cl- ?????

Phosphorus

• Plants that do not receive enough phosphorus develop weak thin stalks that appear spindly.
• Plants suffering from a phosphorus deficiency may be stunted and short in stature. 
• Purple veins may appear on the leaves or the leaves may take on a purplish color. 
• Older leaves may appear bluish-green instead of the characteristic rich green of new growth. 

Boron

• Terminal buds die, witches’ brooms form.

• Marginal leaf curing and deformation, and most commonly white stripes appear perpendicular to the veins on the young emerging leaves.
• The new leaves may have an incomplete lamina similar to sulphur and calcium deficiency with thickening of secondary veins.
• Inhibition of root and flower formation is also observed in the affected plants.

Chlorine

• Plants wilt early.
• The leaves of some plants show signs of leafspotting or mottling, while others will show an overall bronzing of the leaves
• With severe, the leaves may exhibit curling, shriveling, and necrosis.

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