FIELD: agriculture. SUBSTANCE: method involves growing sugar beet plants; measuring their morphological characteristics: area of leaf system, length of fully expanded leaves and percent of expanded leaves; determining shape of leaf rosette; considering plants having erect shape of rosette, area of leaf system at least equal to 4.800 sq.cm, length of leaf blade in excess of 20 cm making at least 60% as resistant to injurious insects. EFFECT: increased efficiency, simplified method and improved quality of beets. 4 tbl
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Authors
Dates
1997-08-27—Published
1995-09-27—Filed