The case of leaf blight of taro and soft rot of taro was slighter.

茎尖苗抗逆性强，芋疫病和芋软腐病发病程度较轻。

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Northern Leaf Blight of corn (NLBC) is a major leaf disease in com planting.

玉米大斑病是玉米生产上的一种主要叶部病害。

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Growing Hevea in the Americas is hard. A disease called leaf blight means the trees have to be spaced widely.

要在美洲种植橡胶树很难，因为有一种叫做“叶枯病”的病害存在，橡胶树的间距必须很大（译者注：防止病害传播）。

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Massive application of pesticides has meanwhile extinguished some pests and insects while letting others thrive, including the American bollworm, an unpleasant cotton blight, and rice-leaf folder.

ECONOMIST: Punjabis are poisoning themselves