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DETERMINATION OF VIRULENCE OF COTTON WILT PATHOGEN VERTICILLIUM DAHLIAE KLEB. 大丽轮枝菌在棉花上的毒力测定
Several problems for attention to the bioassay of cotton root cap cell with Verticillium dahliae Kleb coarse toxin were studied. 在棉花根冠细胞生物测定过程中,棉花黄萎病病菌通过提纯复壮而达到较强的侵染能力,并制备出较多的黄萎病菌粗毒素。
Verticillium dahliae Kleb. 棉花黄萎病
cotton Verticillium dahliae Kleb 棉花黄萎病菌
Several Improvements for Bioassay of Verticillium dahliae Kleb Coarse Toxin in Cotton Root Cap Cell 大丽轮枝菌粗毒素在棉花根冠细胞生物学测定方法上的研究
IDENTIFICATION OF HOSTS OF THE COTTON VERTICILLIUM WILT PATHOGEN(VERTICILLIUM DAHLIAE KLEB.) 棉花黄萎病菌(Verticillium dahliae K1eb.;)的寄主种类鉴定
Keywords Cotton;Verticillium dahliae Kleb;Wilting toxin;FPLC;Physiological and biochemical properties; 棉花;大丽轮枝菌;致萎毒素;FPLC;生理生化特性;
Verticillium dahliae Kleb 黄萎病菌
Sixrootstocks (Energy, Spirit, He Man, Beaufort, AX105, AL1612 )were resistant to pathogens, Verticillium dahliae . Fusarium oxysporum f. 6种砧木ENERGY、SPIRIT、HE MAN、BEAUFORT、AX105、AL1612对Verticillium dahliae、Fusarium oxysporum f.
The fungi flora in the rhizosphere of cotton cultivars resistant and susceptible to Verticillium dahliae was analyzed in different living stages. 对棉花抗黄萎病品种(春矮早和86-6)和感病品种(中棉17和豫棉12)的根际真菌区系进行了分析。
In order to explore the antimicrobial mechanism of strain 29-12 against Verticillium dahliae, the secondary metabolites of the strain was studied. 为了探索菌株29-12对大丽轮枝菌的抑菌机制，本研究对其产生的次生代谢物进行了分析，结果表明其培养液具有抑菌活性。
The antibacterial activities of ethyl acetate extracts with different concentration on Verticillium dahliae V43-1 was the best and the MIC was about 5 g/L. 不同浓度乙酸乙酯提取物对4种菌的抑菌效果表明;对棉花黄萎病菌V43-1的抑菌效果最好;最低抑菌浓度约为5 g/L.
In controlling cotton verticillium wilt (caused by Verticillium dahliae ), chitin additives reduced the efficacy of LR, LTR 2 and GLR, but increased that of Q1. 对于防治棉花黄萎病来说,几丁质添加物使木霉菌LR、LTR-2和GLR的防治效果降低,但是提高了Q1的防治效果;
The study of inhibiting mechanism demonstrated that the fermentation liquor can inhibit the hyphal’s growth and spore’s sprouting of pathogen Verticillium dahliae. 抑菌机理的研究表明，该菌株发酵液能够抑制黄萎病原菌的菌丝生长和孢子萌发。
Culturing characters and pathogenic differentiation of the 30 strains of Verticillium dahliae of cotton collected in different regions in Xinjiang were studied from 1996 to 1999. 1999年对采自新疆各地的30个菌株进行了培养特性及致病性分化的研究。
Heredity of verticillium wilt resistance was studied with G. barbadense L..Four varieties and their hybrids were identified in the Verticillium dahliae Kleb. infected plot. 在黄萎病圃对3个海岛棉抗感品种、1个陆地棉高感品种及其4个杂种后代进行了多年遗传研究。
Abstract The fungi flora in the rhizosphere of cotton cultivars resistant and susceptible to Verticillium dahliae was analyzed in different living stages. 根际微生物主要是受根系分泌物控制的，一些研究也发现不同抗性品种根系分泌物存在一定差异[13]。
It showed that culturing charaters of Verticillium dahliae from cotton in Xinjiang had distinction-the strains could be divided into three pathotypes:strong,mild and weak strains. 查明新疆棉花黄萎病不仅在培养特性上存在明显区别，在致病性上也存在强、中、弱三种不同的类型。
A PCR fragment (550bp) from defoliating pathotype of Verticillium dahliaewas produced with a couple of specific primers, but not from nondefoliating pathotype of Verticillium dahliae. 用一对棉花落叶型黄萎病菌的特异性引物D1和D2进行PCR扩增 ,对于落叶型黄萎病菌 ,该对引物可特异性地扩增产生一段 550bp的产物 ,而非落叶型黄萎病菌则不能被扩增。