XIII International Rubus and Ribes Symposium
Portland, OR (USA), 15-21 July 2023
John Clark’s keynote speech this morning provided inspiration for graduate students and was altogether a wonderful synopsis of his career.
The crops genetics program at U Arkansas is far ahead in the development of genetic analysis for breeding, esp. in the polyploid realm.
Here’s a paper describing where they were at a few years ago.
Here’s a few highlights from an Oregon State University presentation on cane fruit nutrition.
It starts with a diagram showing annual cycles of Nitrogen within Rubus plants.
Next there are two slides concerning application of N and Ca.
Fertilizer application is based on leaf samples. Here are their recommendations for blackberry sampling times.
Here are the target concentrations of nutrients in the leaves you’d like to reach.