Stem-end blackening: A new physiological disorder in mango from Bihar

Published

2013-09-27

Keywords:

Mango, physiological disorder, stem-end blackening.
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Authors

  • V.B. Patel Department of Horticulture, Bihar Agricultural University, Sabour, Bhagalpur 813 210
  • Kalyan Barman Department of Horticulture, Bihar Agricultural University, Sabour, Bhagalpur 813 210
  • Girish Chand Department of Pathology, Bihar Agril. College, Bihar Agricultural University, Sabour, Bhagalpur
  • S.K. Singh Division of Fruits and Horticultural Technology, IARI, New Delhi 110 012

Abstract

A new physiological disorder named ‘stem-end blackening’ has been observed in an Indian mango cv. Zarda at the Experimental Farm of the Bihar Agricultural University, Sabour, Bhagalpur, Bihar. The initial symptom appears just before the onset of maturity, as light brown area surrounding the stem-end of fruit, which, as the fruit ripens become more prominent and increase in size, thus reducing the consumer acceptance. The symptom of the disorder is easily confused with the stem-end rot caused by Lasiodiplodia theobromae, Phomopsis mangiferae and other fungi. However, unlike stem-end rot, this disorder does not spread downward or form watery soft pulp. Our study revealed that the incidence of stem-end blackening was about 40-45% in ‘Zarda’ besides some other cultivars also showed varying levels of this disorder.

How to Cite

Patel, V., Barman, K., Chand, G., & Singh, S. (2013). Stem-end blackening: A new physiological disorder in mango from Bihar. Indian Journal of Horticulture, 70(03), 435–436. Retrieved from https://journal.iahs.org.in/index.php/ijh/article/view/2106

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