以檳榔桿屑代用木屑培養三種靈芝子實體之初步觀察結果

The Preliminary Results on Studies of Replacing Sawdust with Betel Stalks in Cultivating three Ganoderma Species Fruiting Bodies

本研究探討檳榔桿屑取代木屑太空包，深層培養3個品種靈芝，松杉靈芝 Ganoderma tsugae (Murrill) (BCRC 36203)、鹿角靈芝 Ganoderma lucidum (Curtis) (BCRC 36299)及 Ganoderma subamboinense var. laevisporum (BCRC 36087)之子實體在不同配方比例太空包之生長實驗比較，試驗結果發現鹿角靈芝(BCRC 36299)及松杉靈芝(BCRC 36203)以菌塊植菌至太空包，在木屑取代25%時，生長出菇率分別為66.7及33.3%，而BCRC 36087則無生長，若木屑取代達50%時，以菌液植菌培養較菌塊生長為佳。綜合試驗結果發現3品種靈芝之生長出菇率為BCRC 36299>BCRC 36203>BCRC 36087。依實驗數據結果可確定檳榔屑大約可取代25%至50%之太空包木屑用量，若依本試驗報告結果去換算台灣全年養菇之太空包木屑取代量將相當可觀，深具市場開發潛力，值得進一步探討。

The purpose of this paper is to study the feasibility of using betel stalks dust to replace sawdust for submerged cultivating three Ganoderma species fruiting bodies, Ganoderma tsugae (Murrill) (BCRC 36203), Ganoderma lucidum (Curtis) (BCRC 36299) and Ganoderma subamboinense var. laevisporum (BCRC 36087). These fungi in different ratio media in poplypropylene bags on growth of strains of Ganoderma species were investigated. Results showed that the growth of BCRC 36299, 66.6% and BCRC 36203, 33.3% with the fungi block in sawdust growth substrate containing 25 % betel dust, but there was no growth for the BCRC 36087.The ratio of betel dust in the growth substrate was 50% for the fungi in the mushroom-liquid grow better than block. All results showed the three fungi growth were BCRC 36299 > BCRC 36203 > BCRC 36087 and the betel dust could replace sawdust 25-50% in the growth substrate. This research could provide valuable information for betel dust cultivation of Ling-chin. The study also proves that using the betel dust to replace sawdust in mushroom culture is possible. It has a lot of market potentials which is worth further investigation.