晚期枯萎是一种由真菌引起的病害。它可由种子自身携带传播,也可附着于废弃的农作物而从一个季节存活至下一个种植季节。这种病害还可由灌溉水、大风雨、机械工具或动物、牲畜等等媒介来传播。此病初发时可在叶片上发现溃烂;在温暖的气候及风夹雨的有利情况下,这种溃烂便可扩大,直至释放出病源孢子,致使整块田地受到波及。当这种病害在叶片上发展时,枯萎便发生了。除此之外,溃 Late wilt is a disease caused by fungi. It can be carried by the seeds themselves, or they can be attached to abandoned crops and survive from one season to the next. The disease can also be spread by irrigation water, heavy rain, mechanical tools or animals, livestock and more. The onset of the disease can be found in the ulceration of leaves; in warm climate and wind favorable circumstances, this fester can be expanded until the release of pathogenic spores, resulting in the entire field affected. Wilt occurs when the disease develops on the leaves. In addition, the collapse