共 29 条
[1]
ANDERSSON B, 1968, Sveriges Skogsvardsforbunds Tidskrift, V66, P109
[3]
CHRISTERSSON L, 1972, PHYSIOL PLANTARUM, V26, P258, DOI 10.1111/j.1399-3054.1972.tb03578.x
[4]
DEVILMORIN L, 1862, MEMOIRES SOC IMPER A, P1982
[5]
DYKSTRA G. F., 1967, IOWA STATE J SCI, V41, P487
[6]
GATHERUM G. E., 1967, IOWA STATE J SCI, V42, P19
[10]
HELLKVIST J, 1973, ACTA U UPS, V248, P1