Potcelma galotnes pumpura ietekme uz mūžzaļo rododendru spraudeņpotējumu apsakņošanos

6533b7d9fe1ef96bd126c6a4

RESEARCH PRODUCT

Potcelma galotnes pumpura ietekme uz mūžzaļo rododendru spraudeņpotējumu apsakņošanos

Lāsma Krastiņa

subject

description

Dažādām rododendru šķirnēm apsakņošanās potenciāls ir atšķirīgs, tāpēc, lai salīdzinoši ātrāk varētu pavairot šķirnes, kuras pašas grūti apsakņojas, izmanto potēšanu uz neapsakņotiem dzinumu spraudeņiem. Darba mērķis bija noskaidrot potcelma veģetatīvā galotnes pumpura ietekmi uz mūžzaļo rododendru šķirnes ’Cunningham’s White’ spraudeņpotējumu rizoģenēzi, pētot anatomiju un nosakot cietes daudzuma izmaiņas potcelma pamatnēs un lapās. Līdz ar piemērotu vides apstākļu nodrošināšanu rizoģenēzes procesa norisei, novēro fotosintēzes atjaunošanos, par ko liecina cietes daudzuma pieaugums eksperimenta sākuma dienās. Potcelma galotnes pumpuri darbojas kā papildus atraģējošie centri un samazina cietes daudzuma uzkrāšanos spraudeņpotējumu pamatnēs, bet laika periodu, kas nepieciešams, lai veidotos sakņu iniciāļi, tas neietekmē. Turklāt tā klātbūtne samazina procentuāli apsakņojušos spraudeņpotējumu skaitu.

year	journal	country	edition	language
2011-01-01

https://dspace.lu.lv/dspace/handle/7/16937

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