Rose Hybridizers Association Forum

I would suggest one of the red Kordes roses since they were (in general) selected for both hardiness and disease resistance. Illusion is one example.

I prefer sand in baggie. It is easy to see if too wet or not wet enough. The sand can be removed with a strainer without the possibility of damaging the root. Sand does not support mold.

I recommend getting a copy of the old newsletters.

https://rosebreeders.org/amember/signup ... 23p64s23d1

Rugosa seeds normally float. Personal experience and: https://cdnsciencepub.com/doi/pdf/10.4141/cjps72-177

I did not apply the float test to my rugosa hybrids. I do not remember any extensive studies regarding the float behavior of first generation (or higher) hybrids.

See:

http://enpuir.npu.edu.ua/bitstream/1234 ... ermany.pdf

See:
https://link.springer.com/article/10.10 ... 20-03652-7

See:

https://bioone.org/journals/florida-ent ... .0317.full

Interesting question. Perhaps your experience could contribute to the science,

See:

https://link.springer.com/article/10.10 ... 20-03670-5

https://pdf.sciencedirectassets.com/271177/1-s2.0-S0304423800X01525/1-s2.0-0304423890900319/main.pdf?X-Amz-Security-Token=IQoJb3JpZ2luX2VjEPn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLWVhc3QtMSJIMEYCIQDJEBZL2cAVanoj1Is%2FXv3PfC9aH28yaKapGONNIi9AmAIhAKH2KiLSnge6YFVVJN2LV5S2xPSRQRP3TvIyKoAQfzmQKr0DCOH%2F%2...

Thanks David for the complete reply. I am not familiar with Nanopore sequencing. It may be useful to the NCPN due to the lower cost: "Nanopore sequencing has several advantages such as the relatively low cost compared to other HTS technologies, high mobility due to the sequencer small size and rapid...

The NCPN 2019 meeting estimated the cost of HTS as $350. slide 27 of 30 https://ucanr.edu/sites/ncpnrose/files/316401.pdf ----------------------------------------------------------- Having a reliable testing method is a primary necessity for developing a clean plant program. However, it is not the o...

Title: "ASSESSMENT OF GENETIC VARIABILITY AND DEVELOPMENT OF HYBRIDS IN ROSA SPECIES"

205 page thesis.

http://prr.hec.gov.pk/jspui/bitstream/1 ... %20prr.pdf

This series of slides has to do with a comparison of how the accuracy of the previous type of tests compares with high throughput sequencing (HTS). Please note that even PCR misses some infections. https://ucanr.edu/sites/ncpnrose/files/330324.pdf ----------------------------------------------------...

Link timed out see karl's in next post. Thank you Karl.

Title: "Identification and assessment of variable single-copy orthologous (SCO) nuclear loci for low-level phylogenomics: a case study in the genus Rosa (Rosaceae)"

See: https://hal-agrocampus-ouest.archives-o ... 1479-z.pdf

This series of slides has to do with 2019-2020 virus testing of selected rose collections. The testing was done by Texas A and M scientists.

https://ucanr.edu/sites/ncpnrose/files/330352.pdf

See:

https://ucanr.edu/sites/ncpnrose/Networ ... _Meetings/

See:

https://patents.google.com/patent/US20200205326P1/en

You may be interested in comparing it with my seedling:

https://www.helpmefind.com/rose/l.php?l=2.63267.0