Plants – Rose – Climber
Plant Patent
1999-03-05
2001-07-24
Campell, Bruce R. (Department: 1661)
Plants
Rose
Climber
Plant Patent
active
PP012011
ABSTRACT:
DESCRIPTION
This invention relates to a new and distinct variety of nectarine tree named ‘Prima Diamond 19’. The variety is botanically identified as
Prunus persica
var.
nectarina.
The variety was discovered as a seedling growing in a seed population collected from a planting of mixed commercial nectarine varieties. This seed population was open-pollinated, thus male and female parents are unknown. The seedling was raised by the inventor and was reproduced asexually by him near Sanger in the San Joaquin Valley of Central California by budding onto ‘Nemaguard’ (non-patented) root stock. The asexually reproduced nectarine trees of the new variety have been continually observed since their reproduction and have been confirmed that they are identical in all respects to the initially discovered tree.
‘Prima Diamond 19’ produces clingstone fruits that mature for commercial harvesting approximately mid-July in the San Joaquin Valley of Central California. Other commercial nectarine varieties such ‘July Red’ (U.S. Plant Pat. No. 5,663) and ‘Summer Fire’ (U.S. Plant Pat. No. 7,506) are also available in mid-July. ‘Prima Diamond 19’ exhibits characteristics that are superior to these varieties. ‘Prima Diamond 19’ has more external red skin color and is more consistently productive from year to year. ‘Prima Diamond 19’ fruits are less susceptible to brown rot and have a longer post-harvest life than ‘July Red’ and ‘Summer Fire’.
‘Prima Diamond 19’ will hereinafter be described in greater detail.
CHARACTERISTICS
‘Prima Diamond 19’ is characterized by producing very large, high quality, cling stone fruits which have bright red coloration. This new nectarine variety ripens for commercial harvest in mid-July. Seasonal first harvest dates in the San Joaquin Valley have varied from July 11 to July 27 with the average date of July 19. The average number of days from full bloom to first harvest is 133 days. The average length of time from first pick to final pick is 17 days.
‘Prima Diamond 19’ nectarine fruits mature in the same time period as ‘July Red’ and ‘Summer Fire’ but it distinguishable from those varieties in the following respects:
(1) The exterior red blush color on the fruits is brighter and covers a larger area,
(2) The skin is russet-free resulting in a smoother external appearance,
(3) The fruit is relatively less susceptible to brown rot,
(4) The fruits are highly flavorful resulting in higher consumer acceptance, and
(5) The fruits have good external and internal substance for 35 days when stored at 32° F. and 95% relative humidity.
Bell Kent L.
Campell Bruce R.
Townsend and Townsend and Crew
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