摘要
１９９０～１９９３年调研结果表明，小麦白粉病可在关中南北浅山和旱塬麦区越夏、越冬，完成周年侵染循环，模拟圃测定病菌分生孢子越夏期存活旬平均温度上限为２９．５～３０．２℃。越夏期病菌分生孢子和子囊孢子２种方式均可侵染稆生麦苗。
Trials conducted for 3 years manifested that the Blumeria grominis DC, f, sp. tritici Marchal can sur-vive over summer,winter and complete its yearly infection cycle in the southern and northern lower mountains and plains in Guanzhong (Centre Shaanxi ).For the pathogen survival , the highest average temporature of ten days in a month was 29.5～30.2℃ in a disease imitating nursery. Both conidia and ascpearp of the pathogen can infect volunteer wheat during oversummer time.
出处
《西北农业学报》
CSCD
1995年第2期35-39,共5页
Acta Agriculturae Boreali-occidentalis Sinica
基金
陕西省农业科学院重点资助研究项目
关键词
小麦
病害
白粉病菌
越夏
侵染循环
陕西关中
Wheat powdery,mildew
Over summer
Infection cycie
Infection way
