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Studies on the breaking of dormancy in barnyardgrass seed. 1. The effects of various chemicals on the breaking of dormancy



Studies on the breaking of dormancy in barnyardgrass seed. 1. The effects of various chemicals on the breaking of dormancy



Proc. Crop Sci. Soc. Japan. Japan, 38: 2, 261-72. Bibl. 11



The effects of 21 respiratory inhibitors on the breaking of seed-dormancy in Echinochloa crus-galli var. oryzicola were investigated. The terminal oxidase inhibitors KCN, NaCN, 8-hydroxyquinoline and HgCl2 all stimulated the breaking of dormancy; 2, 4-D and hydroquinone had a slight effect but NaN3, malonic acid and salicylic acid had no effect. Results indicated that inhibition of ascorbic-acid oxidase is the critical factor in dormancy-breaking in this species.

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Related references

Studies on the breaking of dormancy in barnyardgrass seed. 2. Change of the dormancy-breaking effect of several inhibitors against oxidation-reduction system by dormancy stage. Proceedings of the Crop Science Society of Japan 41(4): 480-487, 1972

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