Living Accession Y-004

Leucaena leucocephala (Lamarck) de Wit

Yuma

Decommissioned

22 years*

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

DateNo. PlantsNotes

1991(2)2 individuals planted in Mar

1991(2)both 10' tall, healthy, vigorous growth, flowers/fruit in fall 1991

1992(2)15'/15' tall, healthy, vigorous growth, flowers/fruit

1993(2)20'/20' tall, healthy, vigorous growth, flowers/fruit

1994(2)30'/30' tall, healthy, extremely vigorous growth, flowers/fruit

1995(2)30'/30' tall, healthy, vigorous, flowers/fruit

1996(2)30'/30' tall, healthy, vigorous, flowers/fruit

1997(2)32'/35' tall, healthy, vigorous, flowers/fruit-seedlings volunteering in field are a problem

1999(2)30'/30' tall, healthy, vigorous but little height increase, flowers/fruit

2000(2)30'/30' tall, healthy, little change in size, flowers/fruit

2001(2)35'/35' tall, healthy, vigorous, flowers/fruit, numerous volunteer seedlings are a major problem

2002(2)both ca. 40' tall, healthy, vigorous, flowers/fruit

2004(2)both ca. 40' tall, healthy, vigorous, flowers/fruit, this species is a serious weed in areas with sufficient moisture

2005(2)both ca. 40’ tall, healthy, little change in size, flowers/fruit

2006(2)both ca. 40’ tall, healthy, little change in size, flowers/fruit

2007(2)both ca. 40’ tall, no apparent freeze damage, healthy, flowers/fruit

2008(2)both ca. 40’ tall, healthy, little change in size, flowers/fruit

2009(2)both ca. 45’ tall, healthy, appear to have grown in past year, flowers/fruit

2013

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