不同林地改造方法对野生鳞盖红菇产量的影响

自2012至2015年在广西省浦北县、博白县及容县选取山林改造成熟、鳞盖红菇(Russula lepida)产量稳定的山林进行不同方案的林地改造实验，观察山林改造后野生鳞盖红菇产量的变化。结果表明，一直沿用的标准改造方法(适当伐树使林地郁闭度保持在0.8左右，适当砍伐灌木杂草使灌草盖度保持在0.27左右，枯枝落叶厚度保持在2.0 cm左右)效果最好，在降雨正常的条件下野生鳞盖红菇的产量保持在每百平米15 kg左右。

Effect of Different Reforms of Forest Environments on Russula lepida Fruit Body Yields

The high-value edible mycorrhizal fungus Russula lepida is well known in the southern part of China but as yet has not been artificially cultivated.From 2009,mountain areas located in the counties of Pubei,Bobai and Rong in Guangxi Province were subjected to environmental reforms (cutting back vegetation),and the resultant changes to canopy density levels,bush and grass cover,litter thickness levels, illumination and ventilation had a clear beneficial effect on mushroom yields.Therefore,the impact on R.lepida yields of operating four controlled reform regimes in these areas over the four year period 2012-2015 was evaluated.Maintenance of a canopy density level of 0.8,a bush and grass cover of 0.25-0.3,and a litter layer thickness of 0.20-0.23 cm increased total fruit body yields to ~16 kg/100 m2 and ~17 kg/100 m2 during 2012 and 2015,respectively compared with 15 kg/100 m2.in control areas.The impact of reforms on mushroom yields during 2013 and 2014 could not be accurately assessed due to prevailing drought conditions.