Effects of symbiotic Epichloe gansuensis endophyte on drunken horse grass (Achnatherum inebrians) growth and seed production

被引：11
作者：
Zhang, X. X. [1 ]
Xia, C. [1 ]
Nan, Z. B. [1 ]
机构：
[1] Lanzhou Univ, State Key Lab Grassland Agroecosyst, Coll Pastoral Agr Sci & Technol, Lanzhou 730000, Peoples R China
来源：
NEW ZEALAND JOURNAL OF AGRICULTURAL RESEARCH | 2015年 / 58卷 / 02期
关键词：
seed yield; Achnatherum inebrians; Epichloe gansuensis; field; growth; NEOTYPHODIUM-GANSUENSE; STRESS TOLERANCE; HOST ASSOCIATIONS; FORAGE GRASSES; INFECTION; REPRODUCTION; RESISTANCE;
D O I：
10.1080/00288233.2014.978874
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The effects of the fungal endophyte Epichloe gansuensis on drunken horse grass (Achnatherum inebrians) were determined over a 4-year period in a field growth experiment near Lanzhou, Gansu, China. Endophyte-infected (E+) A. inebrians vs non-infected (E-) control plants were compared for height, tiller number, weight of above-ground biomass, seed production and plant survival. Plant parameters were observed to be significantly higher (P < 0.05) for E+ specimens (vs E- plants) on most occasions. Growth parameters, seed yield and plant survival decreased significantly (P < 0.05) over time, while the differences between E+ and E- plants increased over the duration of the investigation. Endophyte infection was concluded to be of benefit to the growth, seed yield and plant survival of A. inebrians under conditions in the field.
引用
收藏
页码：234 / 240
页数：7
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