Students helping to seed a plot of land in Winters.

Isolates and Seeds

CPPSI provides access to the following type isolates and differential host seed. Please refer to the appropriate white paper for information on how to access isolates and seed or contact Kelley Clark (kjclark@ucdavis.edu). CPPSI accessions below with an asterisk (*) can be ordered directly via the USDA-GRIN system. 

Isolates

USDA Germplasm Resources Information Network (GRIN)

Access CPPSI accessions via USDA-GRIN for ordering seeds and isolates directly. You will need to create an account and log in.

  • Tomato mosaic virus (ToMV)*
  • Melon Fusarium wilt (Fusarium oxysporum f. sp. melonis)*
  • Spinach Downy mildew (Peronospora effusa)
  • Pepper Bacterial leaf spot (Xanthomonas spp.)
  • Lettuce Downy mildew (Bremia lactucae)
  • Tomato Spotted wilt virus (TSWV)
  • Pepper Tomato spotted wilt virus (TSWV)
  • Watermelon Fusarium wilt (Fusarium oxysporum f. sp. niveum)*
  • Tomato bacterial speck (Pseudomonas syrinage pv. tomato)
  • Pepper CMV
  • Pepper Tobamoviruses 

Seed

  • Tomato mosaic virus differential hosts*
  • Melon Fusarium wilt differential hosts*
  • Spinach Downy mildew differential hosts*
  • Pepper Bacterial leaf spot differential hosts*
  • Lettuce Downy mildew differential hosts
  • Pepper Tomato spotted wilt differential hosts*
  • Tomato Tomato spotted wilt differential hosts*
  • Watermelon Fusarium wilt differential hosts*
  • Tomato bacterial speck differentials hosts
  • Pepper CMV differential host*
  • Pepper Tobamovirus differential hosts*