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'Manetti' rose References
Magazine  (2019)  Page(s) 23. Vol 41, No. 3.  Includes photo(s).
Frank Hogan, Growing Roses in the Wet Tropics.
The Manetti arch has been especially grand this year, flowering from mid-May, dazzling throughout July and August, and still carrying hundreds of flowers now. Bunches of double pink blossoms flushed mauve cascade from the arching branches.
Booklet  (2009)  Page(s) 29.  
Tetraploid...Manetti [Provenance: Jackson & Perkins (rootstock)]
Book  (Nov 1994)  Page(s) 156.  
Manetti Noisette. Description. Raised in Italy at Monza Botanic Gardens by Dr. Manetti; brought to England by Rivers, the Sawbridgeworth nurseryman, in 1835... light pink... much used for an understock, and as a consequence it lingers in gardens long after its scions have died... susceptible to black spot...
Book  (Apr 1993)  Page(s) 352.  
Manetti Noisette, pink, 1835, (R. x noisettiana manettii (Crivelli ex Rivers) Rehder; R. chinensis manettii hort.; R. manettii Crivelli ex Rivers); Rivers, 1835, from S. Manetti, Monza Botanical Garden, Italy. Description.
Book  (Jun 1992)  Page(s) 216.  
Manettii ('Manetti', R. x noisettiana manettii) Manetti/Crivelli/Rivers, 1835. Noisette. [Author cites information from different sources. One in particular, Jamain and Forney's Les Roses, says it was developed in 1820 by Medder Manetti, director of the gardens at Monza in Lombardy.]
Book  (1986)  Page(s) 179.  
Understocks...Hybrids... 'Manetti'
Website/Catalog  (1986)  Page(s) 35.  
Rosa manettii.....Cg. 
Website/Catalog  (1982)  Page(s) 33.  

Rosa Manettii (Noisettiana) Commonly used as an understock in the 19th century, especially in the U.S.A.   A dense, medium shrub with pale pink flowers. H. W.  Shade tolerant. (S) 6 x 4’

Book  (1981)  Page(s) 111.  
[From the article "Italian Rose Breeders" by Stelvio Coggiatti:]
About 1830, Giuseppe Manetti, then Director of the Monza Royal Villa, crossed a Tea rose with a Noisette, and obtained a vigorous bush with straight reddish branches, pointed leaves and semi-double, pale pink flowers. An English rose expert, Thomas Rivers, realized the possibilities offered by this hybrid as a rootstock; he was proved right, since even at present 'Manettii' is widely used for this purpose.
Book  (1953)  Page(s) 177-179.  
In "The Manetti Understock," Dennison H. Morey and Warren M. Annis of Jackson & Perkins offer a brief history of Manetti, which is thought to be derived from a garden hybrid of the Old White Musk and the China, Old Blush. This hybrid, known as Champney's Pink Cluster, is the forbear of the Noisettes, including Manetti. Noisette seed purportedly arrived in Europe by 1817 and was widely grown by 1825, when an Italian hybridizer started using a Noisette as a rootstock. The stock was known as Rosa Manettii by 1830. In 1837, Thomas Rivers in England received a 9 inch cutting from an Itallian, Signor Crevelli, of Lake Como. Rivers called the stock Rosa Crevellii. The article goes on to document the long-running dispute between Thomas Rivers and William Paul about the merits of Manetti as a rootstock. It concludes with the recognition that Manetti remains the preeminent rootstock for greenhouse use for the production of cut flowers.

p177. The Manetti Understock by Dennison H. Morey, Hr., and Warren M. Annis, Research Department, Jackson & Perkins Co., Pleasanton, California. Commonplace things that we have long known about are often taken for granted. Undoubtedly many rosarians will be surprised at the interesting history of the understock so widely used for greenhouse roses.
When one looks up " Manetti " in Modern Roses he discovers the following: " See R. noisettiana Manettii (famous understock)." When wishing more information he looks up R. noisettiana Manettii he finds: , “R. noisettiana Manettii, Rehder (R. chinensis Manettii, hort. ; R. Manettii Crevellii) . Manetti Rose. Horticultural variety of (X) R. noisettiana. Long used as an understock." This brief official accounting hardly does justice to one of the oldest and even today most important rootstocks. The above diagnosis tells us several things, however. In the first case we learn that Prof. Rehder felt Manetti to be a variety of the hybrid class of Noisette roses. We also learn that horticulturalists have thought of it as a variety of Rosa chinensis and also as a distinct hybrid originating with Sr. Crevelli, an Italian botanist. In all cases where it is mentioned, the implication that it is an old and important rootstock is foremost. The beginnings of the Manetti rootstock are to be found in Charleston, South Carolina, about 1810 in the garden of John Champney whose rose garden yielded a natural hybrid between the old White Musk and the China (Bengal) Old Blush. This hybrid became known locally as Champney's Pink Cluster and it is the genetical basis for the Noisettiana class of roses to which Manetti belongs. There happened to be in Charleston when this variety was very new a French florist, one Philippe Noisette, who had a rose growing brother, Louis, in France to whom he sent seeds of Champney's Pink Cluster. Louis Noisette used Champney's Pink Cluster as a breeding basis and developed a new hybrid class of roses. Some authorities claim that the Noisettes arrived in France prior to 1807 but it seems likely that if the Noisettes are the progeny of Champney's Pink Cluster that they could not have arrived sooner than 1817 as that is when Philippe seems to have sent seed of this variety to his brother. In any event Noisettes were well distributed and widely grown and hybridized throughout Europe by 1825. About this time an Italian rose hybridizer began using a Noisettiana seedling as a rootstock. By 1830 this stock was extensively used in Italy and was known as Rosa Manettii. In 1837 Thomas Rivers, the first great English rose grower and breeder, received from an Italian correspondent a nine inch cutting of this Italian stock and since it rooted and grew very well he soon distributed it as the new rootstock Rosa Crevellii because he had indeed received it from Signor Crevelli, who lived on the banks of Lago de Como and who obtained it in the first place from Sr. Manetti of Como.* [*The Manetti rootstock was reported in Gardener's Chronicle of 1895, p734 ..
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