Pruning and training are cultural practices which alter the natural development of the tree.

修剪和整形是改变植株自然生长的技术措施.

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Managing bacterial diseases depends mostly on host plant resistance, quarantine, sanitation, and cultural practices.

管理植物细菌性病害主要依靠寄主植物抗性, 检疫, 田间卫生和栽培措施.

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Some cultural practices are required to keep these leaf sheaths active during ripening stage.

一些栽培技术要求在成熟期尽量保持叶鞘的活性.

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