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Effect of Time of Corm Lifting on Gladiolus Production

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Author(s): F.N. Khan | M.S. Mollah | R. Ara | M.M.U. Amin | P.C. Golder

Journal: Pakistan Journal of Biological Sciences
ISSN 1028-8880

Volume: 5;
Issue: 9;
Start page: 903;
Date: 2002;
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Keywords: Gladiolus | corm lifting time and production | corm lifting | cormels

ABSTRACT
Effects of seven different corm lifting dates viz. 30, 45, 60, 75, 90, 105 and 120 days after flowering (DAF) were investigated to determine the optimum time of corm lifting in gladiolus. Different treatments had no significant effect on the number of corms and cormels per plant but individual corm weight, diameter of corm and weight of cormels per plant were significantly influenced by different treatments. These parameters were found to increase with increase in lifting dates except the treatment 120 DAF in case of weight of cormels per plant. When the corms were stored at normal room temperature, different treatments showed insignificant variation in the incidence of corm rot disease. Corms lifted at 30 DAF though showed higher percentage of weight loss and less reduction in diameter during storage, it did not differ significantly with other treatments in the productivity of gladiolus when planted in the following year.
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