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Biological characteristics of 11 wilt disease pathogens on hybrid bamboo.

作  者:
Liang Zu-ang;Cai JiMiao;Xianbao Liu;Chaoping Li;Shiyu Tao;Huang Guixi
关键词:
11;hybrid bamboo;the best;bamboo;pathogens;nitrogen sourc
摘  要:
[Objective] The biological characteristics of 11 wilt disease pathogens on hybrid bamboo were studied. [Method] 11 F. oxysporum strains of hybrid bamboo were isolated from diseased bamboo tissue in the bamboo base of Guangxi Huajing Bamboo Development Co., Ltd.. Biological characteristics of these pathogens were studied. [Result] The optimum growth medium and light conditions for 11 strains were different, the optimum growth temperature was 24-28 ℃, the optimum pH value was 7.0-11.0, lactose and D-sorbitol were the best carbon sources, and yeast extract was the best nitrogen source. The optimum temperature for conidia germination was about 24-30 ℃, the best carbon source were maltose, lactose and sucrose, the best nitrogen source was yeast extract and beef extract. The lethal temperature of conidia was 50 ℃ (10 min). [Conclusion] The study supplied good theoretical basis for the control of Fusarium wilt disease in hybrid bamboo.

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