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Methods for protecting vegetables, turfgrass, rice and fruit trees from fungi and bacteria

  • US 5,374,627 A
  • Filed: 01/19/1993
  • Issued: 12/20/1994
  • Est. Priority Date: 09/21/1990
  • Status: Expired due to Fees
First Claim
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1. A method for protecting vegetables against bacterial soft rot which comprises applying to the vegetables or to a field thereof an effective protecting amount of a plant-protecting composition consisting essentially of (a) 0.0036 to 0.029% by weight of chitosan hydrolyzate having an average molecular weight from 10,000 to 50,000 and (b) 0.002 to 0.018% by weight of acetic acid, the chitosan hydrolyzate and the acetic acid being in a weight ratio of 1:

  • 0.25 to 1;

    4.

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