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The adaptation of medium red clover strains

Author:
Arny, A.C.
Source:
Agronomy journal 1928 v.20 no.6 pp. 557-568
ISSN:
0002-1962
Subject:
Trifolium pratense, strain differences, crop yield, provenance, adaptation
Abstract:
From the results of these tests it is evident that medium red clover seed from France, Chile, and Italy is of no value for seeding in Minnesota. In adjoining states and provinces of similar climatic conditions like results are to be expected. Results of experimental tests in Iowa, Wisconsin, and Canada show that this is the case. These results show conclusively that red clover seed from France and Chile, as well as that from Italy, is not generally adapted for agricultural use in the United States. At present the regulation requiring the staining of Italian red clover seed 10% red is practically inoperative due to the fact that much of the surplus Italian seed probably comes through the ports of France as French seed. Since French and Chilean red clover seed is in the same class as Italian seed as far as use in the North central states is concerned, regulations are needed under the Federal Seed Act to stain this seed red to distinguish it from the seed actually produced in north central continental Europe. The Dakotas, Iowa, Wisconsin, and Minnesota use more clover seed than they produce. Until such time as staining 10% red of all French and Chilean red clover seed brought into this country is compulsory, farmers cannot afford to sow any imported seed of this crop except that from Canada which is stained 10% iridescent violet. The seeding down of larger acreages of sweet clover and hardy alfalfa is preferable to the use of non-hardy, imported red clover as mixtures in native-grown seed.
Agid:
1381937