ISSN: 0973-7510

E-ISSN: 2581-690X

Research Article | Open Access
Priyadharshini Bhupathi and Krishnamoorthy Akkana Subbaiah
Mushroom Research Laboratory, Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore – 641 003, Tamil Nadu, India.
J. Pure Appl. Microbiol., 2019, 13 (4): 2405-2419 | Article Number: 5686
https://doi.org/10.22207/JPAM.13.4.57 | © The Author(s). 2019
Received: 29/06/2019 | Accepted: 18/11/2019 | Published: 26/12/2019
Abstract

The present investigation was carried out to identify morphology and yield performance of milky mushroom isolates for both the wild and cultivars. In this study, 17 wild isolates (CBE-TNAU-1513 to 1526, CBE- TNAU-1603, 1604 and CBE-TNAU-1701), seven cultivated strains (CI-13-02, 04, 06 and CI-14-02, 03, 04 and CI-14-06) and Tamil Nadu Agricultural University APK2 (C. indica) variety were compared. Colony characters of all the 25 isolates of milky mushroom grown on PDA medium were recorded. Among the isolates, CBE- TNAU-1523, CBE-TNAU-1603 and APK2 were found to be fast growing covering the maximum radial growth of 90 mm in Petri dish within 7 days. In order to find out the best performing wild isolate, the observations have been recorded with morphometric characters viz., days for spawn run (DFSR), days for pin head formation (DFPF), pileus and stipe measurements including the pileus: stipe ratio for all the strains were recorded. The complete spawn run was faster in APK2 (10.3 d). However, the mycelial impregnation in the casing soil was comparatively quick with the isolate CBE-TNAU-1515, which also reflected in early pinning with this isolate (8.4d). The strains viz., CBE-TNAU-1517, 1521, 1522, 1523 and APK2 possessed milky white, robust and companulate sporodomes having thick cylindrical stipe, which was found to be moderately bulged at the base. When selected based on yield attributes, significantly increased yield was obtained with the strain CBE-TNAU-1523 (972 g per bed with 194.5 per cent bio-efficiency).

Keywords

Colony morphology; wild isolate; milky mushroom; yield attributes; pileus: stipe ratio.

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© The Author(s) 2019. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License which permits unrestricted use, sharing, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.