Aspen Bibliography

The use of heat-treated pollen for Aspen haploid production

Document Type

Article

Journal/Book Title/Conference

Forest Science

Volume

14

Issue

4

First Page

406

Last Page

407

Publication Date

1968

Abstract

Pollen of quaking aspen (Populus tremuloides Michx.) and white poplar (P. alba L.) was treated with infrared heat at 50°C for 0 to 5 minutes, then used to pollinate receptive female flowers of quaking aspen. From the P. tremuloides X tremuloides cross, four haploid diploid mixaploids, but no entirely haploid plants, were recovered from among 2-month-old seedlings. The recovery of spindly, diploid aberrants in both crosses, as well as three glaucous diploids from the P. tremuloides X alba cross, indicates that spontaneous diploidization occurred in maternal haploids. A simple oven is described for weakening pollen.

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