Accession No

6662.10

Brief Description

Folder of 46 paintings/drawings labelled "Oats," no. 10 of 35, by Dr W. A. R. Dillon Weston, English, 1930s

Origin

England; Cambridgeshire

Maker

Dillon Weston, W. A. R.

Class

natural history

Earliest Date

1932

Latest Date

1938

Inscription Date

Material

paper, cotton

Dimensions

365mm x 250mm

Special Collection

Dr W. A. R. Dillon Weston Collection

Provenance

Inscription

Many pages have typed notes; see Description Notes.

Description Notes

Folder of 46 paintings/drawings labelled "Oats," no. 10 of 35, by Dr W. A. R. Dillon Weston, English, 1930s

NOTE: all objects have been transferred into archive folders for conservation purposes; original folders were photographed (see Images) and are stored separately.

6662.10.a -- "LEAF SPOT OF OATS Helminthosporium avenae Explaining how secondary infection may take place."
A watercolour painting of an oat plant with seven spattered drops of light blue watercolour on it. The typed notes explain that the drops of coloured water were made to fall from a height of three feet onto the paper, and one can see that their splatter extends to all sides of the page. This is meant to illustrate how spores of a fungus can be spread from plant to plant through these raindrop splatters, which also provide a moist environment for the fungus to germinate.

6662.10.b --
Two unlabelled paintings of oat seedlings on a smaller piece of paper (290 x 230mm). Attached to the previous page with a rusty paperclip, now removed.

6662.10.c -- "Loose Smut of Oats."
Watercolour painting of an oat plant.

6662.10.d -- "Loose Smut of Oats."
Watercolour painting of an oat plant.

6662.10.e -- "Loose Smut of Oats."
Watercolour painting of an oat plant.

6662.10.f -- "Loose Smut of Oats."
Watercolour painting of an oat plant.

6662.10.g -- "Loose Smut of Oats. Ustilago avenae, (Pers.) Jens.
Three watercolour paintings of infected oat plants with method of control noted.

6662.10.h -- "Loose Smut of Oats."
Watercolour painting of an oat plant.

6662.10.i -- "SMUT OF OATS Lose smut or Covered smut (?)" (the question mark has been crossed out in pencil and "LOOSE" has been written)
Four watercolour paintings of infected oat plants. The typed notes indicate the farm of origin and date (July 1933), and methods of control.

6662.10.j -- "SMUT IN OATS Loose or Covered (?)" ("Covered (?)" has been crossed out in pencil)
Two watercolour paintings of oat plants, with notes on the conditions of the farm of origin and the date (3 July 1933).

6662.10.k -- "Loose Smut of Oats."
Watercolour painting of an oat plant with method of control noted.

6662.10.l -- "Leaf Spot of Oats Helminthosporium avenae."
Two watercolour paintings of infected oat plants, with "fig. 8" in the top right corner. A label reading "rose red" points to the centre of the leaf of one plant.

6662.10.m -- "Leaf Spot of Oats Helminthosporium avenae."
Ten watercolour paintings of infected oat seeds have been pasted onto the page; some of them have bits of "white fluffy cotton wool" pasted onto them to simulate the growth of the mycelia of the fungus. The typed notes explain that each shows a different view or stage in the fungus' growth. "Fig .1" is typed in the top right of the corner.

6662.10.n -- "Leaf Spot of Oats Helminthosporium avenae."
Six watercolour paintings of oat seedlings, labelled "fig. A-F"; the typed notes explain that they illustrate the early symptoms of the fungus. "Fig. 4" is typed in the top right corner.

6662.10.o -- "Leaf Spot of Oats Helminthosporium avenae."
Two watercolour paintings of oats have been pasted onto the page; one of them has fluffy cotton wool pasted on to simulate the growth of the mycelium. Fig. 5 is typed in the top right corner.

6662.10.p -- "Leaf Spot of Oats Helminthosporium avenae."
Four watercolour paintings of oat plants have been pasted onto a smaller page (180 x 245mm); labelled fig. 9-12.

6662.10.q -- "Leaf Spot of Oats Helminthosporium avenae."
Eight watercolour painting sof infeted oat plants, labelled fig. 1-8. The type notes describe the progression of the fungus on individual plants and within a field.

6662.10.r -- "Leaf Spot of Oats Helminthosporium avenae."
Eight watercolour paintings of infected oat plants, labelled fig. 15-22. Typed descriptions of each figure.

6662.10.s -- "Leaf Spot of Oats Helminthosporium avenae."
Two watercolour paintings of oats with "fig. 10" in the top right corner.

6662.10.t -- "Leaf Spot of Oats Helminthosporium avenae."
Seven watercolour paintings of oats with "fig. 11" in the top right corner. Typed notes describe the farm of origin and progression of the fungus.

6662.10.u -- "Leaf Spot of Oats Helminthosporium avenae."
Four watercolour paintings of oats with "fig. 12" in the top right corner.

6662.10.v -- "Leaf Spot of Oats Helminthosporium avenae."
Two watercolour paintings of oats with "fig. 7" in the top right corner.

6662.10.w -- "OATS"
A drawing of an oat plant on a smaller (290 x 230mm) piece of paper, labelled "Grey Speck" and dated 25 July 1938.

6662.10.x -- "SLUG DAMAGE."
Eight drawings of barley plants. The typed notes acknowledge that it is "very probably that the damage to these barley seedlings has been caused by rabbits."

6662.10.y -- "Grey Leaf of Oats."
A watercolour painting of an oat plant with typed notes describing the condition and its symptoms, treatment.

6662.10.z -- "Blindness"
A page with a typed paragraph and a series of recommendations for farmers who send in samples.

6662.10.aa -- "BLINDNESS IN OATS."
A watercolour painting of an oat plant. Typed notes describe the farm of origin and date (5 July 1933)

6662.10.bb --
An unlabelled page with three watercolours of oat plants and typed notes describing hhe farm of origin and date, and the progression of the fungus (Helminthosporium avenae).

6662.10.cc --
An unlabelled page with a watercolour of oat plants and typed notes describing the farm of origin and date, and the progression of the fungus (Helminthosporium avenae).

6662.10.dd -- "Fluorescence test for diseased Oat seedlings."
A watercolour painting with a painted black background and three blue-yellow oat seedlings. The typed notes describe a test involving exposing seedlings to light transmitted from a Hanovia Mercury-vapour quartz Alpine Sun Lamp. When examined with light transmitted between 300 and 400 (??), infected ones showed in addition a "dazzling mauve blue" also a strong yellow colour.

6662.10.ee -- "Aborted Oat plumules."
Four watercolour paintings of oat grains, the typed notes explain that the have ben exposed to organic mercuric vapours. November 1933.

6662.10.ff -- "Oats Leaf Miner Damage"
A watercolour painting of an oat plant, dated October 1934.

6662.10.gg -- "Oats. Frit damage"
A watercolour drawing of an oat plant, dated July 1936.

6662.10.hh -- "APHIS ON OATS. Myzus festucae."
A watercolour painting of an oat plant.

6662.10.ii -- "OATS. FRIT FLY. Oscinella frit."
Four pasted watercolours (glazed?) of various stage of the life of the frit fly.

6662.10.jj -- "APHIS ON OATS. Myzus festucae."
A watercolour painting of an oat plant.

6662.10.kk -- "APHIS ON OATS. Myzus festucae."
Two watercolour paintings of oat plants.

6662.10.ll -- "APHIS ON OATS. Myzus festucae."
A watercolour painting of an oat plant.

6662.10.mm -- "APHIS ON OATS. Myzus festucae."
A watercolour painting of an oat plant.

6662.10.nn -- "Loose Smut of Oats."
A watercolour painting of an oat plant.

6662.10.oo -- "Crown Rust of Oats. Puccinia coronifera Kleb."
A watercolour painting of an oat plant with a typed description of the fungus.

6662.10.pp -- "APHIS ON OATS. Myzus festucae."
A watercolour painting of an oat plant.


6662.10.qq -- "APHIS ON OATS. Myzus festucae."
A watercolour painting of an oat plant.

6662.10.rr -- "Leaf Spot of Oats Helminthosporium avenae."
Four watercolour paintings of oat seedlings.

6662.10.ss -- "Leaf Spot of Oats Helminthosporium avenae."
A watercolour painting of a germinating spore, label indicates magnification x1000.

6662.10.tt -- A watercolour drawing of an oat plant on an unlabelled, smaller piece of paper (290 x 230mm). Rusty paperclip and size indicates it may have initially been attached to 6662.10.a and b.

References

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