[1]杨兰芳,丁瑞兴.低硒土壤施硒对烤烟硒含量及其体内分布的影响[J].南京农业大学学报,2000,23(1):47-50.[doi:10.7685/j.issn.1000-2030.2000.01.012]
 Yang Lanfang,Ding Ruixing.Effects of selenium application on selenium content and distribution in flue cured tobacco grown on Se low soils[J].Journal of Nanjing Agricultural University,2000,23(1):47-50.[doi:10.7685/j.issn.1000-2030.2000.01.012]
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低硒土壤施硒对烤烟硒含量及其体内分布的影响()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
23卷
期数:
2000年1期
页码:
47-50
栏目:
出版日期:
2000-02-28

文章信息/Info

Title:
Effects of selenium application on selenium content and distribution in flue cured tobacco grown on Se low soils
作者:
杨兰芳丁瑞兴
南京农业大学资源与环境科学学院,南京,210095
Author(s):
Yang Lanfang Ding Ruixing
College of Resources, Environmental Sciences, Nanjing Agric Univ, Nanjing 210095
关键词:
土壤 烤烟 富硒烟
Keywords:
soil flue cured tobacco selenium Se rich tobacco
分类号:
S572.06
DOI:
10.7685/j.issn.1000-2030.2000.01.012
文献标志码:
A
摘要:
土壤施硒盆栽试验设置 6个处理 ,其施硒量分别为 0 ,0 5 ,1 0 ,5 0 ,10 0 ,16 7mg/kg。叶面施硒盆栽试验亦设6个处理 ,分别用含硒 5 0和 10 0 μg/mL的Na2 SeO3 溶液 ,在 3个生长时期内喷施。结果表明 ,在土壤施硒条件下 ,烤烟各部位的含硒量均与土壤施硒量呈极显著的正相关 ,植株含硒量多少依次为根、叶、茎 ;而在叶面施硒条件下则为叶、根、茎。无论土壤施硒还是叶面施硒 ,富硒量均以叶最多 ,说明烤烟烟叶的富硒能力最强。因此 ,在低硒土壤施硒以生产富硒烟是可行而有效的 ,叶面施硒效果优于土壤施硒 ,且以中期 (2 1~ 2 3叶 )喷施效果最好。
Abstract:
Selenium was applied to the soils grown with tobacco at the rate of 0,0 5,1 0,5 0,10 0 and 16 7 mg/kg in the pot experiment.For the foliar spraying experiment,both 5 0 and 10 0 μg/mL(as Na 2SeO 3)were used at 3 growth stages,respectively.The results indicated that Se content in flue cured tobacco grown on the Se low soils was significantly positively correlated with the Se rate applied.The Se content increased in the order of roots,leaves,stems when the Se fertilizer was added to the soils,while it did in the order of leaves,roots,stems for the foliar application of Se,suggesting that tobacco leaves can accumulate Se.Therefore,selenium rich tobacco production is feasible by applying Se to Se low soils and foliar spraying especially at middle stage(21?23 leaf stage)is more effective than soil amendment.

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更新日期/Last Update: 2000-02-28