"The Eternal Summer Effect." In Belarus, some aspen boletes are already growing in places by the end of April
While Belarus is being covered with sleet, and gardens that have just started to bloom are hit by late frosts, incredible news comes from Belarusian mushroom pickers – the first aspen boletes have appeared in some places. Professional mushroom picker and blogger Aliaksandr Harbatsevich shared such an unexpected find on social media a few days ago, as noticed by Telegraf.news. He explained the "mushroom anomaly" as a local "eternal summer effect."
Harbatsevich put the first aspen boletes into his basket this season exceptionally early — on April 24. Despite all his rich experience, such an early appearance of this species surprised even the professional.
Typically, aspen boletes appear closer to mid-June and fruit in three main waves. The very first and, as a rule, sparse wave in our latitudes can start in early June (the so-called "kasaviki" or "mowers"). Mass collection of aspen boletes occurs in July-August, and the third collection — from mid-August to September — is considered the most abundant period for harvest.
Harbatsevich called the appearance of aspen boletes in April an "anomaly," but a rational explanation was found for it. It turned out that the mushrooms appeared not in a random forest clearing, but above a heat pipe. It was this [heat pipe] that created an "eternal summer effect" in this location — as a specialist from the Academy of Sciences of Belarus called it.
"The mycelium of the aspen bolete, which normally awaits the warming of the soil until the end of May or beginning of June, receives a signal about the start of the season much earlier. Constant heating from the pipes mimics early summer conditions, triggering the process of fruiting body formation as soon as the snow melts. In spring, the soil is maximally saturated with moisture from melting snow. The combination of high humidity and heat from the heat pipe creates a greenhouse effect," explained the specialist.
According to her, such "anomalous places" can appear near heat pipes where aspens and birches grow, but only if the trees have already formed a symbiosis with the fungal mycelium.
By the way, Harbatsevich took his first spring "catch" for testing in a laboratory. Tests showed that the April aspen boletes were absolutely clean from the point of view of radioactive contamination.
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