|Table of Contents|

Autotoxicity in Continuous Cropping Obstacle of Ganoderma lucidum(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年06
Page:
133-136
Research Field:
Publishing date:

Info

Title:
Autotoxicity in Continuous Cropping Obstacle of Ganoderma lucidum
Author(s):
MA Hongmei; ZHAO Peifang
（College of Tropical Biology and Agronomy，Hainan Tropical Ocean University，Sanya，Hainan 572022）
Keywords:
Ganoderma lucidum; mycelium; fermentation; autointoxication
PACS:
-
DOI:
10.11937/bfyy.201606033
Abstract:
Taking Ganoderma lucidum as test material，water extraction of mycelium and fermentation broth with four different gradient volume percentage concentration of 25%，50%，75% and 100% and the fruit body with four different gradient volume percentage concentration of 40%，60%，80% and 100% were prepared respectively and joined in PDA media to culture Ganderma lucidum mycelium.Response indices (RI) were calculated by doing statistical analysis，in order to study autotoxicity of Ganoderma lucidum in continuous cropping obstacle.The results showed that water extraction with the low concentration and fermentation broth could promote mycelium growth and the high concentration inhibited mycelium growth，but the colony thickness was less than the controls.Different concentration of pileus and stipe water extraction of the Ganoderma lucidum body fruit had autotoxicity，which inhibited germination and growth potential of mycelium；colony diameters were shorter and the dry biomass were lighter than controls.With the 80% concentration of water extract，RIs were maximum；the colony diameters were -0.494 and -0.541 respectively，dry biomass of mycelium were -0.750 and 0.808 respectively.It was concluded the water extract of mycelium and fermentation broth had little effect on the growth of Ganoderma lucidum. However，the water extract of the Ganoderma lucidum fruiting body had stronger autoallelopathy than water extraction of mycelium and fermentation broth.

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Last Update: 2016-05-05