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Grain yield and incidence of take‐all ( Ophiobolus graminis Sacc.) in wheat grown in different crop sequences
Author(s) -
SLOPE D. B.,
ETHERIDGE JUDITH
Publication year - 1971
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1971.tb02904.x
Subject(s) - acre , biology , agronomy , crop , winter wheat , take all , yield (engineering) , poaceae , grain yield , hordeum vulgare , wheat grain , botany , fungus , materials science , metallurgy
SUMMARY The yield of wheat and the incidence of take‐all were measured in crops grown in six different 4‐year sequences, repeated in 3 successive years. The first crop of winter wheat grown after oats or beans yielded 13–23 cwt/acre (1632–2887 kg/ha) more grain than wheat after wheat or barley. Spring wheat after oats yielded 2–5 cwt/acre (250–625 kg/ha) more than spring wheat after wheat. The smaller yields of wheat after wheat or barley were caused mostly by greater prevalence of take‐all. Regression analysis indicates that each 1 % increase in straws with take‐all decreased yield of winter wheat by 0·6%. Take‐all was more prevalent in the second and third successive wheat crops after oats than in the fourth crop.