Efficacy of various fungicides and bio-agents for the management of leaf spot disease of turmeric caused by Colletotrichum capsici in pot culture experiment
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Authors
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Nagaratna Koladar
College of Agriculture, Junagadh Agricultural University, Junagadh - 362 001, Gujarat, India.
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J R Talaviya
College of Agriculture, Junagadh Agricultural University, Junagadh - 362 001, Gujarat, India.
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K D Shah
College of Agriculture, Junagadh Agricultural University, Junagadh - 362 001, Gujarat, India.
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V A Savaliya
College of Agriculture, Mota Bhandariya (Amreli) - 365 610, Gujarat, Junagadh, Agricultural University, India.
Keywords:
Leaf spot disease, Colletotrichum capsici, pot culture, fungicides, bio-agents.Abstract
India is considered as the largest producer, consumer and exporter of turmeric in the globe. Turmeric is affected by leaf spot disease (Colletotrichum capsici), causes extensive yield and quality losses. This study was conducted by using fungicides and bio-agents those found significantly effective in lab condition to test their efficacy on leaf spot disease of turmeric in pot culture experiment. A pot trial was conducted
during kharif- 2016 in net house. Two rhizomes with one or two sprouting buds were planted in each pot at 2 inches depth. After crop establishment, during their active vegetative growth the plants were inoculated with C. capsici initially to create disease symptoms. Subsequently, the disease under pot culture was managed by using fungicides and antagonistic organisms those found significantly effective in lab condition. Three sprays of each treatment were taken at an interval of 15 days. After 15 days of last spray of the treatment, per cent disease intensity and per cent disease control of leaf spot were recorded and both found very close on calculation. Comparing their individual performances highest disease control was obtained in application of tebuconazole. Looking to the overall results, application of T. koningi can be recommended for disease management. The damage caused by anthracnose disease is an issue of concern in turmeric cultivation. This study helps to understand the efficacy of fungicides and bio-agents on leaf spot disease of turmeric.
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Manuscript will be accepted on the understanding that their content is original and that permission has been received in writing wherever necessary to produce previously published material (including quotations, data and illustrations) and that the manuscript has not been submitted/ accepted for publication elsewhere. Copyright resides with the Plant Protection Association of India.