Weyerhaeuser Nr Company

Weyerhaeuser Company Limited

James A Grob

William C Carlson

Jeffrey E Hartle

Roger Timmis

Pramod K Gupta

Mitchell R Toland

Mollie K Heilesen

Katherine M Salatas

Timnit Ghermay

Christine A Dean

George E Herold

Erin Wallich

Susan D Rayfield

Stephanie A Brusig

The present invention is directed towards methods for the classification of plant embryos by the application of one or more classification algorithms to analyze digitized images and absorption, transmittance, or reflectance spectra. The methods are generally applicable and emphasize the importance of acquiring and using as much image and absorption, transmittance, or reflectance spectral information as possible, based on objective criteria. The present invention allows automated selection of embryos most suitable for further culture and rejection of those seen as less suitable.

Image classification of germination potential of somatic embryos

Manufactured seeds are disclosed that comprise a unit of totipotent plant tissue and a nutritive medium. The nutritive medium can contain a number of different components selected from the following: a gel solute, charcoal, a carbon source, urea, KNO, NHNO, CuCl, CuSO, KI, KHPO, CaCl, MgSO, NaEDTA, FeSO, ferric citrate, MnSO, MnCl, HBO, ZnSO, CoCl, NaMoO, (NH)MoO, thiamine, riboflavin, pyridoxine, HCl, Ca-pantothenate, nicotinic acid, biotin, folic acid, and myo-inositol. The nutritive medium can also include any of various protein amino acids, any of various polyamines, any of various oxygen-absorbing compounds, any of various non-protein amino acids, and/or a smoke suspension.

Nutritive media and manufactured seeds comprising same

A method for selecting conifer trees is disclosed. This method relates to the early measurement of tree characteristics for selecting trees most likely to exhibit certain traits as they mature. This method can be used for implementing silvicultural treatments, thinning or further breeding.

Method for selecting conifer trees

In one aspect, a method is provided for increasing germination vigor of conifer somatic embryos produced in vitro. The method comprises (a) singulating a plurality of individual immature conifer somatic embryos from a first culture of embryos after a first incubation period in a first development media; and (b) contacting the plurality of singulated immature conifer somatic embryos with a second development media for a second incubation period.

Methods for increasing germination vigor by early singulation of conifer somatic embryos

In one aspect, the present invention provides methods of producing conifer cotyledonary somatic embryos from pre-cotyledonary embryos. The methods of this aspect of the invention include the step of (a) dispensing a plurality of pre-cotyledonary embryos onto a porous material horizontally disposed over a non-porous surface in a volume of sterile dilution medium sufficient to submerge at least the surface of the porous material, thereby uniformly dispersing the pre-cotyledonary embryos; (b) removing the sterile dilution medium from the non-absorbent porous material, thereby trapping the uniformly dispersed pre-cotyledonary embryos on the porous material; and (c) contacting the pre-cotyledonary embryos trapped on the porous material with development medium for a period of time sufficient to produce conifer cotyledonary somatic embryos.

Low density spreading methods for conifer somatic embryogenesis

The present invention provides manufactured seeds and related compositions and methods. The manufactured seeds comprise a unit of a totipotent plant tissue enclosed in a protective manufactured seed coat that includes an orifice sealed by a lid. The lid has a burst strength and architecture (e.g., a dome or nipple) similar to those of analogous structures in a natural botanic seed.

Growing community of inventors

Auburn, WA, United States of America

James A Grob