Abstract
Differential response to biotic stress is an important characteristic of plants that has been harnessed for crop improvement through green revolution. The technique of microtomy was optimized in chickpea to aid in screening for disease tolerant cultivars through histological observations. The Fusarium wilt resistant cultivar WR315 was found to have higher vascular strands, a thicker cortex and lengthier phloem in the roots as compared to roots of susceptible cultivar JG62. On the other hand, lengthier xylem elements were observed in stem of JG62 that provides a congenial environment to pathogen for infection. These anatomical variations amongst resistant and susceptible cultivars of chickpea indicate that vascular architecture may serve as diagnostic markers for distinguishing and screening for Fusarium wilt in chickpea.
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