Plants – Rose – Climber
Plant Patent
2000-02-04
2002-02-19
Campell, Bruce R. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012414
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention of ‘Treasure’, a new and distinctive cultivar of strawberry plant, is a result of the cross breeding between ‘A3’ (an unpatented J&P selection) and ‘Oso Grande’ (U.S. Plant Pat. No. 6,578). The resulting plant was selected in a controlled breeding plot at J&P Research's cultivated field located in Naples, Fla. during the fruiting season of 1997-1998. It was designated as JP3 by the inventor. This cultivar is botanically identified as
Fragaria xananassa Duch
. ‘Treasure’ has been propagated by runner and meristem culture in Naples, Fla. as well as in the commercial nurseries in United States and Canada. It has been trialed in the fields of growers in both North Carolina and Florida. A ‘Treasure’ plant retains its distinctive characteristics and reproduces true to type in successive generations.
COMPARISON TO CLOSEST CULTIVARS
The commerical cultivar that we believe to be the closest comparison to ‘Treasure’ in appearance from those known to us is ‘Camarosa’(U.S. Plant Pat. No. 8,708).
However, there are several characteristics of ‘Treasure’ that are different from or not possessed by ‘Camarosa’. Those are:
(1). Color: The fruit color of ‘Treasure’ is dark red, which is very distinguishable when compared with ‘Camarosa’.
(2). Productivity: ‘Treasure’ is a much earlier producer and has a higher total yield in comparison to ‘Camarosa’ in Florida production areas.
(3). Plant size: The plant size of ‘Treasure’ is much smaller than that of ‘Camarosa’.
(4). Anthracnose crown rot resistance: The plant of ‘Treasure’ is tolerant to anthracnose crown rot disease, which is one of the major diseases in strawberry growth in the southeastern United States, and ‘Camarosa’ is susceptible to anthracnose disease.
(5). Bracts: The frequency of bracts, which occur on the petioles of ‘Treasure’ is 63.6% , wherease there are none on ‘Camarosa’.
(6). Isozymes in leaf extracts: For isozyme analyses see Table 1.
(a) The phosphoglucoisomerase (PGI) isozyme banding pattern for ‘Treasure’ and ‘Camarosa’ is A2.
(b) The leucine aminopeptidase (LAP) isozyme banding pattern for ‘Teasure’ and ‘Camarosa’ is B3.
(c) The malate dehydrogenase(MDH) isozyme banding pattern for ‘Treasure’ is C1 whereas ‘Camarosa’ is C2.
All isozyme analyses were conducted using leaf tissue. Reference: J. Amer. Soc. Hort. Sci. 106:684-687,(1981); USDA Forest Service General Technical Report PSW-64,(1982); and Tanksley, S. D. and Orton, T. J. Isozymes in Plant Genetics and Breeding, Part A, pp. 469-516 (Elsevier Science Publishers B.V., 1984).
TABLE 1
Isozyme in leaf extracts by electrophoresis
Treasure
Camarosa
PGI
A2
A2
LAP
B3
B3
MDH
C1
C2
As shown in Table 1 ‘Treasure’ can be unambiguously distinguished from ‘Camarosa’ by using the above-mentioned isozyme patterns.
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