Effect of zinc-phosphate-solubilizing bacterial isolates on growth of Vigna radiata

被引：37
|
作者：
Iqbal, Uzma [1 ]
Jamil, Nazia [1 ]
Ali, Iftikhar [1 ]
Hasnain, Shahida [1 ]
机构：
[1] Univ Punjab, Dept Microbiol & Mol Genet, Lahore, Pakistan
来源：
ANNALS OF MICROBIOLOGY | 2010年 / 60卷 / 02期
关键词：
Zinc solubilization; Plant growth promotion; Time induction assay; PLANT-GROWTH;
D O I：
10.1007/s13213-010-0033-4
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
This study examined the effects of five bacterial isolates (U, 8M, 36, 102, and 111) on the growth of Vigna radiata. Bacterial isolates were applied alone, or together with zinc phosphate [Zn-3(PO4)(2)center dot 4H(2)O]. The maximum increase in all plant growth parameters was seen when seedlings were inoculated with isolate 102. Isolate 36 with 1 mM zinc phosphate showed the maximum increase in seedling length (35.1 cm) as compared to controls. Isolate 111 was the best phosphate solubilizer, releasing 13.29 ppm phosphorous (P) in soil when used in combination with 1 mM salt, whereas isolate 36 showed maximum uptake of P, leaving only 4.63 ppm in soil.
引用
收藏
页码：243 / 248
页数：6
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