6 <strong>Florida</strong> Citrus Nursery Propagation Propagations by Nursery Size (% <strong>of</strong> total propagations made) The chart above shows the number <strong>of</strong> propagations that nurseries <strong>of</strong> various sizes made as a percent <strong>of</strong> the state total. Nursery size is indicated as a range [ - ]. Although the majority <strong>of</strong> nurseries produce less than 100 thous<strong>and</strong> trees, nurseries that produce more than 100 thous<strong>and</strong> trees account for the majority <strong>of</strong> the trees produced 6 Annual Report <strong>2012</strong> (FY 2011-<strong>2012</strong>) Bureau <strong>of</strong> Citrus Budwood Registration
7 Source Trees Increase Trees 36.3% <strong>of</strong> propagating material Bud eyes cut from Increase Blocks (IB) % <strong>of</strong> all B/W originating from IB # Nurseries cutting from Increase Blocks <strong>2012</strong> 2011 2010 2009 1,431,356 1,200,813 1,256,597 1,700,995 36.3% 38.3% 41.9% 45.2% 33 30 37 34 Each BCR that establishes an IB is considered a separate IB. There were 263 IBs used with an average <strong>of</strong> 5,442 eyes cut per block. The life span <strong>of</strong> an increase block is a maximum <strong>of</strong> 36 months. Increase trees can originate from scion trees or Chiefl<strong>and</strong> foundation budwood Category Scion Trees 50.8% <strong>of</strong> propagating material # Trees Bud Eyes Cut Trees Cut Average Buds Cut Facts Participants with Scion Groves 33 Seed Source 4,327 Number <strong>of</strong> Scion Blocks (Budwood) 41 Budwood Scion 5,267 Number <strong>of</strong> Scion Blocks (Seed Source) 26 Sweet Orange 3,492 1,837,521 1,759 1,045 Number nurseries using Scion Grove 36 Grapefruit 389 85,648 128 669 M<strong>and</strong>arin 834 60,613 92 659 B/W 2011-<strong>2012</strong> Average Number <strong>of</strong> B/W Scion Trees per Participant (29 participants) Average Number <strong>of</strong> Seed Trees per Participant (18 participants) Lemon/Lime 320 11,542 32 361 Overall Scion Varieties 122 Pummelo 46 369 3 123 Total Clones 203 Kumquat 122 3,451 9 383 Overall Seed Source Varieties 31 Other 64 2,706 11 246 Number scion trees witnessed (STM) 711 Total Scion Trees 9,594 2,001,850 2,034 984 Inspector days STM 11 Category Source trees (Bud eyes cut by year) Category <strong>2012</strong> 2011 2010 2009 2008 2007 2006 2005 2004 2003 Foundation * 507,843 379,989 241,650 137,431 43,505 185,780 47,248 145,025 161,899 219,362 Scion 2,001,850 1,554,524 1,502,939 1,925,833 1,711,978 827,167 537,771 1,103,157 2,541,180 2,763,304 Increase 1,431,356 1,200,813 1,256,597 1,700,995 1,791,413 1,579,519 828,407 761,959 1,150,102 1,652,310 * The figures from the database may be lower or higher than the figure actually cut from Chiefl<strong>and</strong>. If the budwood is going for research, the reports are not entered into the propagation database; therefore, the figures may appear lower. Some years Bud Cutting Reports from the previous fiscal year were received after the cut<strong>of</strong>f date <strong>and</strong> entered into the next year’s database. This is why the figure is slightly higher than the actual number cut. Bud Cutting Reports are normally accepted until July 15, after which the database is closed <strong>and</strong> any straggler reports are entered into the following year’s database. Percent <strong>of</strong> Budwood Category <strong>2012</strong> 2011 2010 2009 2008 2007 2006 2005 2004 2003 Foundation 12.9 12.1 8.1 3.7 1.2 7 3 7 4 4 Scion 50.8 49.6 50.1 51.2 48.3 32 38 51 64 56 Increase 36.3 38.3 41.9 45.2 50.5 61 58 36 31 41 7 Annual Report <strong>2012</strong> (FY 2011-<strong>2012</strong>) Bureau <strong>of</strong> Citrus Budwood Registration 181 240