君jun子zi蘭lan葉ye片pian發fa黃huang一yi般ban有you幾ji種zhong情qing況kuang，如ru果guo是shi底di層ceng葉ye子zi從cong葉ye腋ye處chu長chang出chu新xin根gen
，使shi葉ye片pian變bian黃huang是shi屬shu於yu正zheng常chang的de新xin陳chen代dai謝xie。一yi種zhong情qing況kuang是shi葉ye腋ye處chu不bu生sheng新xin根gen而er葉ye片pian變bian黃huang，則ze多duo是shi由you於yu土tu質zhi生sheng
、透tou氣qi性xing差cha，肥fei料liao過guo多duo或huo澆jiao水shui幹gan濕shi度du掌zhang握wo不bu好hao漚ou了le根gen，這zhe些xie都dou可ke能neng使shi君jun子zi蘭lan的de葉ye片pian發fa黃huang。水shui澆jiao不bu透tou，根gen尖jian缺que少shao水shui份fen，就jiu會hui使shi葉ye尖jian變bian黃huang幹gan尖jian，出chu現xian這zhe種zhong情qing況kuang，就jiu必bi須xu澆jiao透tou水shui，在zai夏xia季ji，每mei隔ge7－10天花盆底部可坐一小盆水，這樣就能保證澆透水，這叫浸水法。

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，chengweihebanzheng。zhezhuyaoshiyouyuturangjiaosheng，shifeiliangguodayinqide。yibanshuopentuyingcaiyongfuyetu
，touqixingbijiaohao
，tebieshixiajishifei，yingcaiqubofeiqinshi
，qiejibafeishuididaoyepianshang
，zheyangjiukeyifangzhijiebanzhengdefasheng。 zaiyizhongqingkuang，youyuxiajiyangguangchongzu
，qiwenjiaogao，ruguojiangjunzilanzhiyuyangguangxiabaoshai，haihuifashengrishaozheng，qingzheyepianbianhuang，zhongzheweinian。xiajiyingcaiquzheguang，fangzhitongfengchu，yinbiduyi50％為好，家庭南窗可用一層紗布遮光。