推荐回答（1个）
低温冻害导致根系吸收养分能力受阻引起的生理性病害。应注意提温保温，叶喷芸苔素内酯或碧护+氨基酸或腐植酸+磷酸二氢钾调节改善，根冲木美土里根宝贝+壮根龙，改善根际土壤环境，促根养根壮根，以利于植株恢复生长发育。
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