Terms used on the Crop Genebank Knowledge Base.
| Term | Definition |
|---|---|
| Pre-breeding/Pre-competitive breeding |
The development of germplasm with a genetically broader base for utilization by breeders such as the introduction of exotic germplasm into a cultivar. |
| Predictive component of taxonomy |
The idea that inferences or predictions can be made from taxonomy. |
| Propagule |
Any structure with the capacity to give rise to a new plant whether through sexual or asexual (vegetative) reproduction. This includes seeds spores and any part of the vegetative body capable of independent growth if detached from the parent. |
| Proximity matrices |
A numerical measure of similarity (or dissimilarity) among objects used in multivariate analysis as assessed by various formulas. |
| Purine |
A nitrogen-containing |
| Pyrimidine |
A nitrogen-containing |
| Pyrophosphate |
A chemical molecule that is released each time a deoxynucleotide is incorporated to the new DNA strand during pyrosequencing. |
| Pyrosequencing |
A new sequencing method of relatively short DNA templates based on real-time (quantitative) pyrophosphate release. |
Glossary open source software by M. Brampton