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Click to EnlargePF Lucky 13
2013 Musser Fruit Research Farm

Season Redglobe Season
Range June 30th - July 12th
Additional Years 2006 | 2008 | 2009 | 2010 | 2011 | 2012 | 2014
Sequence 0
Flesh Yellow
Chill Hours
Bloom Date
Ripe Date July 8th



Bad shape,split pit, excessive pigmentation in flesh, firm, acid. (SSC/TA 13.6)


Summer Fire was patented on April 23, 1991 by N.G. and L.G. Bradford of Le Grand, CA. In a continuing effort to improve the quality of shipping fruits, we, the inventors, typically hybridize a large number of nectarine, peach, plum, apricot, and cherry seedlings each year. The present invention relates to a new and distinct variety of nectarine tree, which has been denominated varietally as "Summer Fire". The present variety was hybridized by us in 1983, and the resulting seedling was planted in a cultivated area of our experimental orchard at Bradford Farms near Le Grand, Calif. in Merced County (San Joaquin Valley). Specifically, the hybridized seedling was orginated by using Red Diamond (U.S. Plant Pat. No. 3,165) as the selected seed parent and an unnamed seedling as the selected pollen parent. Plant Patent #14384 issued 12/16/2003. ORIGIN OF VARIETY The new peach tree (hereinafter referred to as the `P.F. Lucky 13` peach tree) was originated by Paul Friday in the experimental orchard, which is maintained for the purposes of breeding peach trees, at Paul Friday Farms Inc., located in Coloma, Mich. Coloma is located in the southwest section of Michigan. In an ongoing mass selection breeding program, superior seedlings of unrecorded parentage are maintained as seed sources for the production of seeds which are collected and planted in mass. The seed producing parent trees are maintained solely as proprietary trees for breeding purposes and have not been released from the experimental orchard, where such trees can be evaluated for their adaptability to local and regional growing conditions. Seeds resulting from open pollination of the trees in the experimental orchard are regularly planted in mass to produce new populations of seedlings which are cultured and monitored to maturity. Trees with superior attributes are retained for further observation and testing, and contribute seeds to advancing generations of new populations of seedlings. The tree oftis application, `P.F. Lucky 13`, was a single plant from one such a seedling population, and was based on the numerous superior genetic attributes of this tree which are described in the botanical description to follow. While not comprehensive, the details of the botanical description to follow are believed to be a reasonably complete botanical description of the tree of this disclosure. ASEXUAL REPRODUCTION OF THE VARIETY The new and distinct variety of peach tree was asexually propagated by budding as performed in the experimental orchard of Paul Friday Farms Inc., located in Coloma, Mich. The asexual propagation demonstrates that such reproduction of the characteristics of the tree are consistent and are established and transmitted through succeeding propagation. SUMMARY OF THE VARIETY The new and distinct variety of peach tree is of semi-dwarf, moderate upright growth and a regular and productive bearer of peaches. A distinct characteristic of the `P.F. Lucky 13` peach tree is its medium vigor having very stubby new growth with short internodes. The buds are generally 1 inch apart on the new growth. The blossoms bloom in mid-season and are characterized by being contracted or partially spread in a 3/4 inch diameter during full bloom. At the same time the petals of the blossoms are of lesser length than the length of petals of the normal showy blossom as exemplified by the `Loring` (unpatented) peach blossom. The flesh of the fruit of the present peach tree is firm and is yellow. The skin is smooth having moderate to little down and is of dark red color over about sixty percent to eighty percent (60% to 80%) of its surface at maturity. The red color overlays yellow. Where the red merges with the yellow, the yellow is mottled with the red to a clear light yellow. At maturity the peach is spherical having an average diameter of about 23/4". The fruit has a firm flesh and may be described as resilient to the extent that the flesh is yieldable and restorable to its original state when subjected to impact forces which may cause bruising and soft blemishes which lead to rejection by the buyer in the fresh market in peaches of the commercial varieties. The fimness of the fruit facilitates handling and packaging of the peaches without damaging the same for shipment. This results in less spoilage and also increases the shelf life. The fruit matures in the earlier part of the peach growing season of southwestern Michigan. The fruit as mentioned heretofore is of red color over about sixty percent to eighty percent (60% to 80%) of its surface and has a very attractive appearance..


  • Evaluations are based on a 1-8 scale (6=OK,7=Commercially acceptable, 8=Excellent)
  • Size is in inches
  • Shape: round is assumed, T=tip, P=point, S=suture, OB=oblate, OV=ovate
  • Pubescence: 10=nectarine
  • Freeness: 3=early cling, 8=completely free
  • Status: 0=discard, 1=keep
  • Notes: SOS=soft on suture, SOT=soft on tip, RIF=red in flesh, GAS=green around stem
  • RAP=red around pit, GGC=green ground color, sz=size, wh=white, yt=young tree, CCT=concave tip
  • Bloom date is when approx. 90% of blooms are open (full bloom)

The description of each variety of peach or nectarine fruit under each group is in different formats as this information is collected from varied sources and hence is not consistent


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