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Titolo:
Effect of P-solubilizing Azotobacter chroococcum on N, P, K uptake in P-responsive wheat genotypes grown under greenhouse conditions
Autore:
Narula, N; Kumar, V; Behl, RK; Deubel, A; Gransee, A; Merbach, W;
Indirizzi:
Univ Halle Wittenberg, Inst Plant Nutr & Soil Sci, D-06108 Halle, Germany Univ Halle Wittenberg Halle Germany D-06108 Sci, D-06108 Halle, Germany CCS Haryana Agr Univ, Dept Plant Breeding, Hisar 125004, Haryana, India CCS Haryana Agr Univ Hisar Haryana India 125004 ar 125004, Haryana, India
Titolo Testata:
JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE-ZEITSCHRIFT FUR PFLANZENERNAHRUNG UND BODENKUNDE
fascicolo: 4, volume: 163, anno: 2000,
pagine: 393 - 398
SICI:
1436-8730(200008)163:4<393:EOPACO>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHOSPHORUS; RHIZOBACTERIA; INOCULATION; PLANTS; CROPS; SOIL;
Keywords:
Azotobacter chroococcum; phytohormone; wheat varieties; phosphate solubilization;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Narula, N Univ Halle Wittenberg, Inst Plant Nutr & Soil Sci, Adam KuckhoffStr 17B, D-06108 Halle, Germany Univ Halle Wittenberg Adam Kuckhoff Str 17B Halle Germany D-06108
Citazione:
N. Narula et al., "Effect of P-solubilizing Azotobacter chroococcum on N, P, K uptake in P-responsive wheat genotypes grown under greenhouse conditions", J PLANT NU, 163(4), 2000, pp. 393-398

Abstract

Natural and mutant strains of A. chroococcum were isolated from Indian soils. Their ability to dissolve phosphate and their phytohormone production were tested under in vitro conditions. In addition the effect of bacterial inoculation of Azotobacter on N, P, K uptake by three P responsive wheat,genotypes (Triticum aestivum L.) under greenhouse conditions at five nutrient levels Control, 90 kg N ha(-1), 90 kg N + 26 kg P ha(-1), 120 kg N ha(-1) and 120 kg N + 26 kg P ha(-1)) was studied. In vitro phosphate Solubilization and growth hormone production by mutant strains was more than by the soilisolates. Inoculation of wheat varieties with the soil isolates and mutantstrains of A. chroococcum showed greater NPK uptakes as compared with parent soil isolates. Mutant strains M15 and M37 were proved to be the most effective for all three wheat varieties with regard to NPK uptake as well as root biomass production under greenhouse conditions.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 07:41:49