Details for: PI 633611, Nicotiana gossei Domin, 'GWP-3'


Summary Data
Taxonomy:
Nicotiana gossei Domin
Cultivar:
'GWP-3'
Origin:
Developed – Maryland, United States
Received by NPGS:
02 Jun 2003
Improvement Status:
Cultivar
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Availability
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Core Passport Data
Taxonomy:
Nicotiana gossei Domin
Cultivar:
'GWP-3'
Origin:
Developed – Maryland, United States
Received by NPGS:
02 Jun 2003
Improvement Status:
Cultivar
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Source History
Developed

Maryland, United States

Developer(s):
Accession Names and Identifiers
'GWP-3'
Type: Cultivar name

Narrative
Produced by colchicine induced chromosome doubling and is capable of increasing the production of biopesticides by 80% compared to diploid 2n N. gossei. Although these sugar esters are effective as biopesticides, the quantity of these compounds produced by typical N. gossei plants is relatively small. These biopesticides are sugar esters demonstrated in US patent No. 5,260,281 (Pittarelli et al., 1993) to control several insect species without leaving toxic residues on plants. The biopesticides have been shown to have activity againt: Greenhouse whitefly, Trialeurodes vaporariorum, Sweet potato whitefly, Bemisia tabaci, Green peach aphids, Myzus persica, two spotted spider mite, Tetranychus urtica, Pear psylla, Psyllia Pyricola, and Colorado potato beetle, Leptinotarsa decemlineata. Grows to a height of 1 1/2 meters, has sturdy stems, and thicker leaves than the diploid form.
Nicotiana gossei Domin
Genus:
Nicotiana
Section:
Suaveolentes
Family:
Solanaceae
Subfamily:
Nicotianoideae
Nomen number:

25273
Place of publication:

Biblioth. Bot. 22(Heft 89):592(1146). 1929
Verified:
04/13/2009 by ARS Systematic Botanists.
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Pedigree
Description:
Nicotiana gossei germplasm, PI 230953, originally from Australia, was subjected to colchicine treatment to induce chromosome doubling to produce the tetraploid form. Selected for vigorous growth after colchicine treatment and six generations of selfing in the field. A tetraploid with 72 chromosomes.