Evaluation of <Emphasis Type="Italic">Volvariella volvacea</Emphasis> Strains for Yield and Diseases/Insect-Pests Resistance Using Composted Substrate of Paddy Straw and Cotton Mill Wastes |
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Authors: | O P Ahlawat Rajender Singh Satish Kumar |
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Institution: | (1) Directorate of Mushroom Research, Solan, Himachal Pradesh, 173 213, India |
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Abstract: | Out of the 3 parent strains and 4 single spore isolates of Volvariella volvacea evaluated, strain, OE-274 gave earliest yield in 11.25–11.50 days post-spawning in all 4 trials. The yield varied in different
strains in different trials and it was highest in strain, OE-272 in trial 1, SSI, OE-55-08 in trial 2, and strain, OE-274
in trial 3 and 4. In overall average, highest yield was in strain, OE-272, closely followed by strain, OE-274. The number
of fruiting bodies per q substrate also varied in different strains in different trials. Highest numbers were in strain, OE-272,
SSIs, OE-55-08 and OE-12-22, and strain, OE-210 in trial 1, 2, 3 and 4, respectively. Highest fruiting body wt was in strain,
OE-274 in all 4 trials. The yield during different weeks of cropping varied in different strains but invariably it was highest
in first week, which accounted for 60–70% of the total yield. The fruiting bodies of strain, OE-274 were of bigger size, brownish,
toughest and with least tendency of veil opening, while that of strain, OE-272 and SSI, OE-55-08 were whitish to grayish-white,
oblong, medium size, delicate and lesser tendency of veil opening. The strain, OE-274 and SSI, OE-55-08 exhibited higher resistance
against the growth of competitor moulds and infestations of insect-pests, while strain, OE-272 exhibited highest susceptibility
to insect-pests infestation. |
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Keywords: | Volvariella volvacea Strain Single spore isolate Yield Quality Disease/insect-pest |
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