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VCRB :: Contents of Volume 53/2000 :: Detailed information


EFFECTS OF FUNGICIDE TREATMENTS BEFORE HARVEST ON THE INCIDENCE OF GREY MOULD CAUSED BY BOTRYTIS CINEREA PERS., QUALITY AND STORAGE ABILITY OF WHITE CABBAGE

Franciszek ADAMICKI and Józef ROBAK
Research Institute of Vegetable Crops Konstytucji 3 Maja 1/3, 96-100 Skierniewice, Poland


Summary

Effect of pre-harvest treatments with different fungicides on quality, storage ability and incidence of grey mould (Botrytis cinerea Pers.) were investigated in a white cabbage cultivar Transam F1 over the period 1996-1999. The better results, i.e. a higher percentage of marketable heads after storage was obtained with pre-harvest treatments of iprodione, iprodione + tiophanate methyl, and diethiofencarb + carbendazym at rates of 382, 306 + 700, and 70 g a.i..ha.-1, respectively. Fungicide treatments allow for reducing the incidence of Botrytis cinerea and decreasing both the trimm and weight losses in cabbage after its storage. The waste resulting from presence of Botrytis cinerea causes considerable losses in stored cabbage. A pre-harvest spray with iprodione significantly decreases both the rot caused by Botrytis and drop of chlorophyll level in outer, wrapper leaves of cabbage. Transam F1, a coleslaw cabbage cultivar characterized by a low keeping ability, can be kept succesfully in refrigerated stores for around 4-5 months, when treated with a fungicide.

keywords:white cabbage, fungicide treatment, quality, storage losses, grey mould

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