西南林业大学学报2025，Vol.45Issue(1)：18-25,8.DOI:10.11929/j.swfu.202312036
毛竹幼苗生长的NH4+效应研究
Specific Response of Phyllostachys edulis Seedling to NH4+
摘要
Abstract
Phyllostachys edulis seedlings were used as experimental materials,under indoor controlled pot conditions,nitrogen compounds with equal nitrogen concentration were set up,and K2SO4,NaCl,NaNO3,KNO3 and blank treatment(CK)were used as controls,to study the effects of different treatments on P.edulis seedling growth index and cultivation matrix pH.The results showwd that:growth indexes,relative chlorophyll content,root configuration indexes,above-ground,below-ground and total biomass of P.edulis seedlings treated with NH4+compounds were significantly better than that treated with other compounds,but there were no significant differences between the NH4+compounds treated seedlings;the root shoot ratios of bamboo seedlings treated with NH4+compounds were significantly lower than that of CK and the NaCl treated seedlings;culture substrate pH values under NH4+compound teratments were significantly lower than that of CK and the other compound treat-ments.The NH4+ion within NH4+compounds had significant promotion effects on the growth of P.edulis seed-lings,and its promotion effect might be related to the reduced culture substrate pH value.Therefore,ammonium nitrogen fertilizer such as ammonium sulfate or ammonium chloride should be better applied in the cultivation process of P.edulisseedlings.关键词
毛竹/实生苗/特异性/NH4+/生长响应/根系构型Key words
Phyllostachys edulis/seedling/specificity/NH4+/growth response/root architecture分类
林学引用本文复制引用
张丹,侯利涵,李湘,黄恒宇,袁斯齐,李子叶,邹娜..毛竹幼苗生长的NH4+效应研究[J].西南林业大学学报,2025,45(1):18-25,8.基金项目
国家自然科学基金项目(32060254,32260428)资助 （32060254,32260428）
江西省重点研发计划项目(20203BBGL73227)资助. （20203BBGL73227）
