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2003年调查了不同香菇迟熟品种(241-4,135)、不同海拔高度、不同培养条件及不同越夏场所与热害烂筒的关系。测试了6个生产上常用品种(菌株)菌丝的抗高温能力。结果表明,2个迟熟品种中,241-4抗热害烂筒能力较好,烂简率为12.3%,135抗热害能力较差,烂筒率为35.0%;海拔高于800m地区的香菇烂筒率显著低于低海拔地区;培养场所通风散热条件差,热害烂筒率高,通风散热条件好,烂筒率低。菌丝抗高温能力测试结果表明,菌丝的抗高温能力以135最强,但其完成发菌的菌筒抗高温能力急剧下降,其机理有待进一步研究。
In 2003, we investigated the relationship between different late maturing varieties of mushrooms (241-4, 135), different altitudes, different culture conditions and different places for setting summer heat and rotten rot. The mycotoxins of six commonly used varieties (strains) were tested for their high temperature resistance. The results showed that 241-4 heat damaged rotten tubers were better in the two late maturing varieties with a rate of 12.3% of rotten rot, a poor ability of 135 calorifics, and a rotten canister rate of 35.0%. Eleven above 800m above sea level Mushroom rotten tube rate was significantly lower than the low altitude areas; Ventilation and cooling conditions in training venues poor heat rotten tube rate, good ventilation and cooling conditions, rotten tube rate is low. The results of mycelial temperature-resistant test showed that the mycelium’s ability of high temperature resistance was the strongest at 135, but its ability to resist high temperature of bacteria-producing bacteria tube dropped sharply. The mechanism needs to be further studied.