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The Effects of Simulated Slug Damage on the Yield of Winter Wheat
Author(s) -
Jessop H.
Publication year - 1969
Publication title -
plant pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.928
H-Index - 85
eISSN - 1365-3059
pISSN - 0032-0862
DOI - 10.1111/j.1365-3059.1969.tb00491.x
Subject(s) - thinning , biology , yield (engineering) , slug , grain yield , winter wheat , agronomy , significant difference , horticulture , zoology , mathematics , materials science , ecology , composite material , statistics
SUMMARY Winter wheat Plants were removed by hand in December to simulate loss caused by different levels of slug attack. As a rule, the more severe the thinning, the greater the number of tillers, ears, and weight of grain produced per plant. The effect of plant loss on grain yield varied, but in three cases out of five where attempts were made to remove 75 per cent of the Plants (between 56 and 72 per cent achieved), there was no significant difference in grain yield compared with the control Pl.ots. This level of thinning gave on average a stand of five Plants per ft of row (16–4 per m).