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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pechurkin N.S., Somova L.A., Polonskii V.I., Pis'man T.I., Sarangova A.B., Polonskaya D.E., Sadovskaya G.M.
Заглавие : Influence of rhizosphere bacteria of the genus Pseudomonas on the growth of wheat seedlings under conditions of complete mineral supply and nitrogen deficiency
Место публикации : Microbiology. - 1997. - Vol. 66, Is. 4. - С. 461-465. - ISSN 00262617 (ISSN)
Ключевые слова (''Своб.индексиров.''): biomass--growth--nitrogen--pseudomonas--transpiration--wheat
Аннотация: The influence of two rhizosphere bacteria-Pseudomonas fluorescens and Pseudomonas putida -on the growth of wheat seedlings was studied under conditions of complete mineral supply and nitrogen deficiency in the medium. On complete mineral medium, the plants that developed from the seeds inoculated with the pseudomonads had some advantages for growth over those developed from the non-inoculated seeds. Inoculated plants showed an increased transpiration and a higher content of organic nitrogen in their biomass. Under conditions of nitrogen deficiency in the medium, no differences were found between inoculated and noninoculated plants. No competition for the nitrogen sources was revealed between the bacteria and plants; the development of the rhizosphere bacteria was limited by the rate of organic compound excretion by plant roots. The stimulatory effect produced on plant growth by the rhizosphere bacteria was shown to vary depending on the environmental factors. В© 1997 MAHK Hayka/Interperiodica Publishing.
Scopus
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pechurkin N.S., Somova L.A., Polonskii V.I., Pisman T.I., Sarangova A.B., Polonskaya D.E., Sadovskaya G.M.
Заглавие : Influence of rhizosphere bacteria of the genus Pseudomonas on the growth of wheat seedlings under conditions of complete mineral supply and nitrogen deficiency
Колич.характеристики :5 с
Место публикации : Microbiology: MAIK NAUKA/INTERPERIODICA, 1997. - Vol. 66, Is. 4. - С. 461-465. - ISSN 0026-2617
Примечания : Cited References: 9
Ключевые слова (''Своб.индексиров.''): pseudomonas--wheat--nitrogen--growth--biomass--transpiration
Аннотация: The influence of two rhizosphere bacteria-Pseudomonas fluorescens and Pseudomonas putida-on the growth of wheat seedlings was studied under conditions of complete mineral supply and nitrogen deficiency in the medium. On complete mineral medium, the plants that developed from the seeds inoculated with the pseudomonads had some advantages for growth over those developed from the non-inoculated seeds. Inoculated plants showed an increased transpiration and a higher content of organic nitrogen in their biomass. Under conditions of nitrogen deficiency in the medium, no differences were found between inoculated and noninoculated plants. No competition for the nitrogen sources was revealed between the bacteria and plants; the development of the rhizosphere bacteria was limited by the rate of organic compound excretion by plant roots. The stimulatory effect produced on plant growth by the rhizosphere bacteria was shown to vary depending on the environmental factors.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pechurkin N.S., Somova L.A., Polonskii V.I., Pis'man T.I., Sarangova A.B., Polonskaya D.E., Sadovskaya G.M.
Заглавие : Influence of rhizosphere bacteria of the genus pseudomonas on the growth of wheat seedlings under conditions of complete mineral supply and nitrogen deficiency
Место публикации : Mikrobiologiya. - 1997. - Vol. 66, Is. 4. - С. 553-557. - ISSN 00263656 (ISSN)
Ключевые слова (''Своб.индексиров.''): biomass--growth--nitrogen--pseudomonas--transpiration--wheat
Аннотация: The influence of two rhizosphere bacteria-Pseudomonas fluorescens and Pseudomonas putidaon the growth of wheat seedlings was studied under conditions of complete mineral supply and nitrogen deficiency in the medium. On complete mineral medium, the plants that developed from the seeds inoculated with the pseudomonads had some advantages for growth over those developed from the non-inoculated seeds. Inoculated plants showed an increased transpiration and a higher content of organic nitrogen in their biomass. Under conditions of nitrogen deficiency in the medium, no differences were found between inoculated and noninoculated plants. No competition for the nitrogen sources was revealed between the bacteria and plants; the development of the rhizosphere bacteria was limited by the rate of organic compound excretion by plant roots. The stimulatory effect produced on plant growth by the rhizosphere bacteria was shown to vary depending on the environmental factors.
Scopus
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pisman T.I., Pechurkin N.S., Mariasova T.S., Somova L.A., Sarangova A.B.
Заглавие : A mathematical model of "plants-microorganisms" interaction on complete mineral medium and under nitrogen limitation
Место публикации : Advances in Space Research. - 1999. - Vol. 24, Is. 3. - С. 383-387. - ISSN 02731177 (ISSN)
Ключевые слова (''Своб.индексиров.''): nitrogen--ecological modeling--interspecific interaction--nutrient limitation--plant--rhizosphere--article--biological model--biomass--comparative study--culture medium--drug effect--growth, development and aging--mathematics--microbiology--plant root--pseudomonas fluorescens--sweating--wheat--biomass--culture media--mathematics--models, biological--nitrogen--plant roots--plant transpiration--pseudomonas fluorescens--triticum
Аннотация: A mathematical model concerning the interaction of plants and rhizospheric microorganisms on complete mineral medium and under nitrogen limitation has been constructed. The model takes into account the closeness of plants and microorganisms in terms of the matter released by the plant and consumed by the microorganisms. The effect of rhizospheric microorganisms on plant growth with normal carbon dioxide and complete mineral medium has been demonstrated. Plants interacting with microorganisms have a greater biomass than plants growing without microorganisms. Wheat growth stimulation by metabolites of rhizospheric microorganisms under laboratory conditions on artificial soil has been experimentally demonstrated (Pechurkin, 1997). Under nitrogen limitation , the biomass of plants, with or without microorganisms, is identical, and is substantially reduced as compared with the medium with standard nitrogen. В© 1999 COSPAR. Published by Elsevier Science Ltd.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Karnachuk R.A., Vaishlya O.B., Dorofeev V.Y., Ushakova S.A., Tikhomirov A.A., Lasseur C..., Gros J.B.
Заглавие : Effect of growing conditions on wheat hormonal status and productivity in experimental ecological system
Колич.характеристики :6 с
Место публикации : Russ. J. Plant Physiol.: MAIK NAUKA/INTERPERIODICA, 2003. - Vol. 50, Is. 2. - P237-242. - ISSN 1021-4437, DOI 10.1023/A:1022933516663
Примечания : Cited References: 24
Предметные рубрики: GRAINS
Ключевые слова (''Своб.индексиров.''): triticum aestivum--phytohormones--co2--illuminance--productivity
Аннотация: The levels of free and bound forms of IAA, ABA, cytokinins (CK), and gibberellins, as well as growth characteristics and productivity were investigated in two wheat lines. The plants were grown under controlled conditions in an artificial ecosystem that allowed the irradiance, CO2 concentration, and rhizosphere temperature to be changed. The main difference in the hormonal status of leaves of tall spring wheat, line 232, and dwarf wheat, line 95-3, was the absence of GA(9) gibberellins in the latter. It was found that the light intensity and temperature of rhizosphere insignificantly affected the balance of endogenous phytohormones and HI in wheat. The elevation of CO2 concentration resulted in a considerable increase in the content of free IAA, an appearance of free GA(9), and a rise in the productivity of wheat, line 232. The concentration of CO2 was shown to be a major parameter that determined HI in the experimental ecological system.
WOS
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Karnachuk R.A., Vaishlya O.B., Dorofeev V.Yu., Ushakova S.A., Tikhomirov A.A., Lasseur Ch., Gros J.-B.
Заглавие : Effect of Growing Conditions on Wheat Hormonal Status and Productivity in Experimental Ecological System
Место публикации : Russian Journal of Plant Physiology. - 2003. - Vol. 50, Is. 2. - С. 237-242. - ISSN 10214437 (ISSN) , DOI 10.1023/A:1022933516663
Ключевые слова (''Своб.индексиров.''): co2--illuminance--phytohormones--productivity--triticum aestivum--triticum--triticum aestivum
Аннотация: The levels of free and bound forms of IAA, ABA, cytokinins (CK), and gibberellins, as well as growth characteristics and productivity were investigated in two wheat lines. The plants were grown under controlled conditions in an artificial ecosystem that allowed the irradiance, CO 2 concentration, and rhizosphere temperature to be changed. The main difference in the hormonal status of leaves of tall spring wheat, line 232, and dwarf wheat, line 95-3, was the absence of GA9 gibberellins in the latter. It was found that the light intensity and temperature of rhizosphere insignificantly affected the balance of endogenous phytohormones and HI in wheat. The elevation of CO2 concentration resulted in a considerable increase in the content of free IAA, an appearance of free GA9, and a rise in the productivity of wheat, line 232. The concentration of CO 2 was shown to be a major parameter that determined HI in the experimental ecological system.
Scopus
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