It has one generation a year and over wintering and spending summer in the form of cocoon in soil for of more than 10 months.
在我省一年发生一代,以虫茧在土中越夏越冬,长达10个多月。
The first over-wintering of soybean rust was identified near Dade City, Florida, on February 23.
据2月23日证实,亚洲大豆锈菌在佛罗里达州戴德市已成功越冬。
The main source of primary infection comes from hypha, akinetes and sclerotiums over-wintering in the bulb, residues of diseased plants and the soil.
病菌以菌丝体在种球内,或以菌丝体、厚垣袍子及菌核随病残体在土壤中越冬,成为翌年的主要初侵染源。
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