Rhizobium leguminosarum imobilizācija uz organiskiem un neorganiskiem substrātiem

6533b824fe1ef96bd1280403

RESEARCH PRODUCT

Rhizobium leguminosarum imobilizācija uz organiskiem un neorganiskiem substrātiem

Signe ŽVagiņa

subject

Rhizobium leguminosarum imobilizācija slāpekļa fiksācija bioloģiskais mēslojums Bioloģija dzīvotspēja

description

Rhizobium leguminosarum ir slāpekli fiksējošas baktērijas, kas spēj veidot gumiņus uz tauriņziežu saknēm. Ar imobilizētu rizobiju preparātiem iespējams inokulēt baktērijas augsnē un uzlabot tauriņziežu augu produktivitāti. Izmantojot rizobiju inokulantus, iespējams aizvietot slāpekļa minerālmēslojumu. Pētīta substrāta un temperatūras ietekme uz imobilizētu R. leguminosarum dzīvotspēju, ilgstoši glabājot. Apskatīti 5 dažādi substrāti, baktēriju suspensija sterilā ūdenī un 4 dažādas glabāšanas temperatūras. Konstatēts, ka R. leguminosarum dzīvotspēju ietekmē gan substrāts, uz kura tās imobilizētas, gan glabāšanas temperatūra. Ilgstošai baktēriju dzīvotspējas saglabāšanai ieteicams kā substrātu izmantot kūdru vai glabāt baktēriju suspensiju ūdenī -18°C vai 4°C temperatūrā.

year	journal	country	edition	language
2015-01-01

https://dspace.lu.lv/dspace/handle/7/30260

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