‘Hollow heart’ disease of sugar beet is caused due to:

  1. salt toxicity
  2. boron deficiency
  3. moisture stress
  4. air pollution
Anurag Mishra Professor Asked on 25th January 2016 in Biology.
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    Answer: (2) boron deficiency 

    Anurag Mishra Professor Answered on 28th January 2016.
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