Method for treating cereal crop seed with chitosan to enhance yi

Details Method for treating cereal crop seed with chitosan to enhance yi Method for treating cereal crop seed with chitosan to enhance yi

1990-10-31

1992-04-14

Raymond, Richard L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 88, 47 576, 514 55, 536 20, A01N 4316, C08B 3708

Patent

active

051044374

ABSTRACT:
Commercially produced chitosan applied to cereal crop seeds at rates of 60 .mu.g to 1000 .mu.g per gram of seed enhances root development, crown diameter, mature straw strength and crop yield. Dry chitosan, when dissolved in dilute acid and neutralized, is applied directly to cereal crop seed with only minor modification to seed treating machinery and methods. In addition to a clear benefit in cereal crop yield, the chitosan treated seed can be planted early to reduce erosion and it can be planted in regions having soil infested with root rotting organisms and not suffer extensive lodging that would prevent seed recovery by commercial harvesters.

REFERENCES:
patent: 4886541 (1989-12-01), Hadwiger
patent: 4978381 (1990-12-01), Hadwiger
Takemoto, Kiichi "Chemistry and Use of Chitin and Chitosan", Gendai Kagaku, 1981 p. 57-61.
C. R. Allan and L. A. Hadwiger, "The Fungicidal Effect of Chitosan on Fungi of Varying Cell Wall Composition", Experimental Mycology, vol. 3, pp. 285-287 (1979)..

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