请问一下胡萝卜裂根怎么回事?

2025-04-07 06:55:24
推荐回答(1个)
回答1:

胡萝卜裂根与种植季节密切相关
冬春干旱季节裂根很少,基本没有裂根产生,而高温多雨的6~9月则裂根多裂根严重。
胡萝卜裂根属生理性病害而非病菌所致,主要原因是土壤水分供应不均匀、忽干忽湿,因此,雨季裂根严重。
通常土质粘重或排水条件差的地块发生较多,另外,也与品种有关。
总之
胡萝卜裂根是由于肉质根在生长后期,产生周皮层,周皮层会产生一定程度的木质化,收获过迟 肉质根一旦再有生长即可膨裂产生裂根。此外,土壤水分与裂根关系也很大。如肉质根生长前期 水分充足,生长量大,随后遇干燥,生长受抑制,以后又遇多湿时,在肉质根尚小时有时也会引 起裂根。反之,有时前期干燥,后期多湿,也能引起肉质根开裂。
供你参考
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