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在云南景谷芒果种植区,芒果炭疽病对芒果树嫩叶、嫩梢、花穗和果实为害率分别为85.7%,63.4%,77.1%和73.3%。风雨和昆虫媒介是传播的主要方式。发生为害最适温度为22℃~25℃,相对湿度为85%~100%。该病在景谷种植区全年均可发生为害,主要为害在发生期。发生前期为害,是花穗干瘪和幼果掉落的原因之一。采取综合防治措施,特别在发生前期适时防治,可控制发生为害。
Mango anthracnose had 85.7%, 63.4%, 77.1% and 73.3% damage to young leaves, shoots, spikes and fruits of mango trees in the mangroves of Jinggu, Yunnan Province. Stormy and insect vectors are the primary means of transmission. Occurrence of damage optimum temperature of 22 ℃ ~ 25 ℃, relative humidity of 85% to 100%. The disease in Jinggu planting area can occur throughout the year, the main damage occurred in the period. Occurred in the early damage, is sprinkled ears and fruit drop one of the reasons. Take comprehensive prevention and control measures, especially in the pre-timely prevention and control, can control the occurrence of harm.