The book gives complete description of root knot disease on okra, right from pathogenicity level to it's complete disease development. It depicts the complete life cycle of nematode meloidogyne incognita. It gives complete histo-pathological, histo-chemical and bio-chemical changes in diseased and healthy plants of okra. It also suggests all the conrol measures viz. biological control using nematophagous fungus, vam and organic amendment, chemical control and physical control using soil solarization technique. It also shows the effect of folair spray of amino acids and growth regulators in disease control. The study also depicts the changes in micro anatomical features of plant due to disease development and also gives data of it's impact on pollen viability. It's a complete encyclopedia of root knot disease on okra for future researchers.