Đang chuẩn bị liên kết để tải về tài liệu:
Epidemiological studies on early blight of potato under climate change and its co-relation with disease severity

Occurrence and severity of Early blight of potato observed that the disease occured every year at Kanpur and Faizabad district of Utter Pradesh. It has observed that the disease was first appeared during 2–3 rd weeks of December at Kanpur and 3rd weeks of December to 1 st weeks of January at Faizabad district of Uttar Pradesh at the maximum temperature range 17–230C, minimum temperature 1.8–7.80C, relative humidity 46–93%, and 0–7.2 sun shine hours. The maximum severity with 28.20 per cent was noted on 24 January, 2012 after 40th days of first appearance of disease at the maximum temperature 23.0oC and minimum temperature 5.6oC, relative humidity ranges 54 -85% and sun shine hours 6.9 whereas, in the year 2013, maximum severity of 14.11 per cent on 23 January, 2013 after 41 days first appearance of disease at temperature range between 24.8oC to 8.8, relative humidity 62–90% and 7.0 sun shine hours, respectively. |