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Living Accession Y-097

Vachellia sieberiana (de Candolle) Kyalangalilwa & Boatwright

Yuma

Decommissioned

19 years*

* = Living accession was still alive when the Yuma field was decommissioned.

DateNo. PlantsNotes

1994(4)4 individuals planted in Mar

1994(4)1=dead-cause undetermined, 3=3-5' tall, healthy, moderate growth

1995(3)5-6.5' tall, healthy, slow growth

1996(3)6-14' tall, healthy, slow to fast growth-vigorous

1997(3)10-20' tall, healthy, fast growth-vigorous

1999(3)10-22' tall, healthy, slow growth but vigorous

2000(3)14-28' tall, healthy, slow to moderate growth, canopies are beginning to spread

2001(3)15-30' tall, healthy, slow growth, no evidence of flowering

2002(3)15-30' tall, healthy, slow growth

2004(3)22-ca. 40' tall, healthy, moderate to fast growth, these plants have not been observed to flower at this site, an attractive shade tree

2005(3)20’/25’/ca. 40’ tall, healthy

2006(3)18’/20’/ca. 40’ tall, healthy, little change in size, no evidence of flowering

2007(3)15’/18’/ca. 35’ tall, froze back to 5’ from stem tips to stems 1" thick, healthy, vigorous regrowth

2008(3)18’/21’/ca. 35’ tall, healthy, moderate growth

2009(3)20’/28’/ca. 40’ tall, healthy, substantial growth on 2 larger trees, no evidence of flowering

2013

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