Hameeda B, Harini G, Rupela O P, Wani S P, Reddy Gopal
Department of Microbiology, Osmania University, Hyderabad, 500 007 AP, India.
Microbiol Res. 2008;163(2):234-42. doi: 10.1016/j.micres.2006.05.009. Epub 2006 Jul 10.
Five bacterial strains with phosphate-solubilizing ability and other plant growth promoting traits increased the plant biomass (20-40%) by paper towel method. Glasshouse and field experiments were conducted using two efficient strains Serratia marcescens EB 67 and Pseudomonas sp. CDB 35. Increase in plant biomass (dry weight) was 99% with EB 67 and 94% with CDB 35 under glasshouse conditions. Increase in plant biomass at 48 and 96 days after sowing was 66% and 50% with EB 67 and 51% and 18% with CDB 35 under field conditions. Seed treatment with EB 67 and CDB 35 increased the grain yield of field-grown maize by 85% and 64% compared to the uninoculated control. Population of EB 67 and CDB 35 were traced back from the rhizosphere of maize on buffered rock phosphate (RP) medium and both the strains survived up to 96 days after sowing.
五株具有解磷能力及其他促进植物生长特性的细菌菌株，通过纸巾法使植物生物量增加了（20%-40%）。利用两株高效菌株粘质沙雷氏菌EB 67和假单胞菌属CDB 35进行了温室和田间试验。在温室条件下，EB 67使植物生物量（干重）增加了99%，CDB 35使植物生物量增加了94%。在田间条件下，播种后48天和96天时，EB 67使植物生物量增加了66%和50%，CDB 35使植物生物量增加了51%和18%。与未接种对照相比，用EB 67和CDB 35进行种子处理使田间种植的玉米产量分别提高了85%和64%。在缓冲的磷酸岩（RP）培养基上从玉米根际追踪到了EB 67和CDB 35的种群，且两株菌株在播种后存活了96天。
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