NDLI: Improvement of embryogenic callus induction and shoot regeneration of buffalograss by silver nitrate

Content Provider	Springer Nature Link
Author	Fei, Shuizhang Read, Paul E. Riordan, Terrance P.
Copyright Year	2000
Abstract	Addition of the ethylene antagonist, silver nitrate (AgNO$_{3}$), into callus induction medium significantly enhanced embryogenic callus production (both induction frequency and callus growth) of field-collected male immature inflorescence cultures of buffalograss NE84-45-3 and 'Texoka'. No stimulatory effect of AgNO$_{3}$ was observed on embryogenic callus induction for female immature inflorescence culture of a female genotype `609' and `Texoka'. Calli initiated on AgNO$_{3}$-containing media had more shoot-regenerating calli than those initiated on AgNO$_{3}$-free media, when they were transferred to the regeneration media. Benzyladenine at 2.2 μM gave the best response for regeneration, regardless of the callus source. Although average number of shoots regenerated per callus was lower for calli initiated on AgNO$_{3}$-containing media, total number of shoots regenerated was higher. The stimulatory effect, however, was environment and genotype dependent. While the addition of AgNO$_{3}$ significantly stimulated embryogenic callus induction of NE84-45-3 immature inflorescences collected in Fall 1995 and May 1997, it only slightly increased the embryogenic callus induction frequencies in May 1996 when rainy conditions occurred. For male inflorescences of `Texoka' collected in early May, AgNO$_{3}$ significantly enhanced embryogenic callus production consistently over the two-year period (1996, 1997).
Starting Page	197
Ending Page	203
Page Count	7
File Format	PDF
ISSN	01676857
Journal	Plant Cell, Tissue and Organ Culture (PCTOC)
Volume Number	60
Issue Number	3
e-ISSN	15735044
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2000-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Plant Sciences Plant Physiology
Content Type	Text
Resource Type	Article
Subject	Horticulture

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