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Group Title: ARC-A research report- Agricultural Research and Education Center - RH-82-13
Title: Rooting response of cuttings from seven Aglaonema cultivars
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Permanent Link: http://ufdc.ufl.edu/UF00066475/00001
 Material Information
Title: Rooting response of cuttings from seven Aglaonema cultivars
Series Title: ARC-A research report
Physical Description: 2 p. : ; 28 cm.
Language: English
Creator: Henny, R. J
Rasmussen, Eleanor M
Agricultural Research Center (Apopka, Fla.)
Publisher: University of Florida, IFAS, Agricultural Research Center-Apopka
Place of Publication: Apopka FL
Publication Date: 1982
 Subjects
Subject: Plant cuttings -- Rooting -- Florida   ( lcsh )
Aglaonema -- Florida   ( lcsh )
Genre: government publication (state, provincial, terriorial, dependent)   ( marcgt )
non-fiction   ( marcgt )
 Notes
Statement of Responsibility: R.J. Henny and E.M. Rasmussen.
General Note: Caption title.
Funding: Florida Historical Agriculture and Rural Life
 Record Information
Bibliographic ID: UF00066475
Volume ID: VID00001
Source Institution: Marston Science Library, George A. Smathers Libraries, University of Florida
Holding Location: Florida Agricultural Experiment Station, Florida Cooperative Extension Service, Florida Department of Agriculture and Consumer Services, and the Engineering and Industrial Experiment Station; Institute for Food and Agricultural Services (IFAS), University of Florida
Rights Management: All rights reserved, Board of Trustees of the University of Florida
Resource Identifier: oclc - 71211542

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Copyright 2005, Board of Trustees, University
of Florida









ROOTING RESPONSE OF CUTTINGS FROM SEVEN AGLAONEMA CULTIVARS

R. J. Henny and E. M. Rasmussen"'u--
University of Florida, IFAS.
Agricultural Research Center-Apopka
ARC-A Research Report RH-82-13 I i
/ J

Although many people have opinions concerning the vigo f'rd-ferbtofo'laqe

plant cultivars, direct comparisons of growth or rooting rates are lacking.

This type of information is important in breeding programs, where attempts are

often made to increase vigor of plants which will be propagated asexually;this

is especially important in the genus Aglaonema. This study was conducted to

test the rooting ability of six commercial Aglaonema cultivars and one parental

breeding line (Aglaonema crispum 'Chartreuse Halo') which was selected for its

leaf size and apparent vigor.

The seven cultivars used in this study (Table 1) had been maintained at

the Agricultural Research Center Apopka. Twenty cuttings with 5-6 leaves were

harvested from each cultivar on March 19, 1982. The basal cut was made in the

middle of the node below the oldest leaf. Cuttings were placed in a rooting

medium of equal parts peat moss and perlite which was maintained at a constant

26-270C with an electric heating cable. Misters were set to run for 15 seconds,
I
every 15 minutes from 8:30 a.m. to 5:30 p.m. daily. A total of 140 cuttings was

placed in a propagation bench, in a randomized block design, and left for 6 weeks

at which time the total number of roots (longer than 1 cm) per cutting was count-

ed and the longest root was measured (cm).

Aglaonema crispum 'Chartreuse Halo' produced a mean number of 21.3 roots

compared to 17.1, 15.1, and 14.4 for A. 'Silver Queen', A. x 'Manila', and A.

x 'Abidjan', respectively (Table 1). Aglaonema 'Fransher' yielded a mean of










4.4 roots per cutting. Most cultivars had an average longest root length

in the range of 6-8.0 cm with the exception of A. modestum which had an

average of 14.4 cm. Aglaonema 'Fransher' had a mean root length of 3.8 cm.


Table 1. Rooting of cuttings from seven Aglaonema cultivars after 6 weeks.z


Cultivar

A. crispum 'Chartreuse Halo'

A. x 'Silver Queen'

A. x 'Manila'

A. x 'Abidjan'

A. commutatum 'Treubii'

A. modestum

A. 'Fransher'


Mean number
of roots

21.3

17.1

15.1

14.4

9.7

9.4

4.4


Mean longest
root length (cm)

7.5

8.2

7.4

7.2

6.1

14.4

3.8


z20 cuttings per cultivar in a 1:1 peat/perlite rooting medium held at 26-270C
with an electric heating cable. Experiment initiated March 19, 1982.

Although it did not produce the largest number, A. modestum yielded roots

which were consistently much longer (although thinner) than any other cultivar.

Aqlaonema 'Chartreuse Halo' rooted the best overall followed closely by A. x

'Silver Queen', and two other hybrids A. x 'Manila', and A. 'Abidjan'. Aglaonema

'Chartreuse Halo' has been a good plant for breeding studies even though it lacks

sufficient foliar color to be a widely used commercial cultivar. Results from

this study indicate that attempts to combine its vigor with better foliar color

should continue. The fact that the next three best rooting plants were hybrids

indicates the value of hybridization for increasing vigor of Aglaonema.




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