Abstract
Efficacy of BAU-Biofungicide (3%), garlic extract (1:1), Bavistin (0.2%) and Tilt 250EC (0.2%) were evaluated against seed borne fungal pathogens of chilli collected from Lakshmonkhola, Mugarchar and Tulatuli villages under Comilla district. Four hundred seeds of each sample were tested following blotter incubation and sand culture method. Using blotter incubation method, five different seed borne fungi, namely, Colletotrichum capsici, Alternaria tenuis, Aspergillus spp, Fusarium spp, and Curvularia lunata were detected from the chilli seeds. BAU-Biofungicide (3%) and followed by garlic extracts (1:1) was found most effective among five different treatments for increasing the germination percentage as well as controlling the associated seed borne fungi in chilli seed. Highest germination percentage (89.50%) was observed in BAU-Biofungicide (3%) treated seeds. Highest reduction of Colletotrichum capsici, Alternaria tenuis, Aspergillus spp, Fusarium spp, and Curvularia lunata was observed when seeds were treated with BAU-Biofungicide (3%) and garlic extract (1:1). The highest vigour index of chilli seed collected from Lakshmomkhola, Mugarchar and Tulatuli villages were 494.56, 403.23 and 333.37, respectively was observed in BAU-Biofungicide treated seeds.J. Bangladesh Agril. Univ. 15(1): 41-46, January 2017
Highlights
Chilli is one of the important spice crops in the world
The experiment was conducted at the Seed Pathology Center (SPC), and Microbilogy and Biocontrol laboratory, Bangladesh Agricultural University (BAU), Mymensingh during the period from January, 2014 to May, 2015
Mycelia growth of Alternaria tenuis was found on seeds and even on the blotter surrounding of the seeds
Summary
Chilli (capsicum aannuum L.) is one of the important spice crops in the world. Chilli is the most essential spice in Bangladesh and is used extensively by the all people in their daily food. Dried Chilli is used in Bangladesh as important spice for its pungency and pleasant flavours. It is cultivated in 74,255 ha of area in rabi and in 17,913 ha of area in kharif season with production of 88,772 t and 21,274 t, respectively (BBS, 2016). The area and production have been raised but in compare to leading chilli producing countries per unit yield is very low. There are many factors responsible for the low yield of this crop in the country. Out of these, seed borne fungal diseases play a vital role
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