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June 1, 2026 – New Shipping Procedures

Effective June 1, 2026, all U.S. National Plant Germplasm System (NPGS) recipients are required to pay the shipping charges of their germplasm requests by providing a prepaid label or waybill. For more details, please refer to our Frequently Asked Questions.

News

Effective Jan. 1, 2025, the U.S. National Plant Germplasm System will modify its SMTA acceptance policy to distinguish between propagative and non-propagative germplasm. [Read More]

The U.S. Department of Agriculture (USDA) released today the National Strategic Germplasm and Cultivar Collection Assessment and Utilization Plan in support of the Agricultural Research Service (ARS) U.S. National Plant Germplasm System’s (NPGS) mission [Read More]

International distributions are covered by the International Treaty on Plant Genetic Resources for Food and Agriculture and could be covered by the Standard Material Transfer Agreement (SMTA). [Read More]

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PI 651794
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	ACCESSION	PLANT NAME	TAXONOMY	ORIGIN	GENEBANK	IMAGE	AVAILABILITY	RECEIVED	SOURCE TYPE	SOURCE DATE	COLLECTION SITE	COORDINATES	ELEVATION	HABITAT	IMPROVEMENT LEVEL	NARRATIVE
0	PI 566635	'INDUCER'	Ipomoea carnea Jacq.	South Carolina, United States	S9			1993	DEVELOPED						Cultivar	Rootstock for use in sweet potato breeding. Useful for stimulating induction and/or increased flowering of sweet potato scions in breeding nurseries and in reproductive physiological studies. Propagated with stem cuttings since it is not self fertile, however, will produce abundant viable seed if allowed to cross with many other selections from this population.	1461606	PI 566635
1	PI 560955	tararaqui.	Ipomoea carnea Jacq. subsp. fistulosa (Mart. ex Choisy) D. F. Austin	Bolivia	S9			1990	COLLECTED	03/22/1990	Cercado Province, Beni Dept., Trinidad.	-14.80000000, -64.86666667	155		Wild material	Shrub to 2.5m tall. Flowers lavender. Anthers dehiscing, white. Fruits spherical, containing 4 fuzzy seeds. Sap milky white. Common.	1455927	PI 560955

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June 1, 2026 – New Shipping Procedures

News

SMTA Acceptance Policy

USDA Introduces a Multi-Year Plan to Strengthen U.S. Genebank Management of Plant GermplasmInternational Distributions

International Distributions

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