作者: Charles H. Walkinshaw , James P. Barnett
DOI: 10.1093/SJAF/19.2.60
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摘要: Loblolly pines (Pinus taeda L.) thut were 8 to 17 yr old tolerated one three fus(form rust (Cronartium quercuum (Berk.)Miyabe exShiraij sp. fusiforme) galls in theirstems. Families withfourormore their stems lost 2.5% or more ofthe trees by age 17. In living with less thanf