Fruits and nuts – Page 95 – Agricultural Biodiversity Weblog

October 12, 2017October 12, 2017

Occasional Osage orange occurs in Rome

The Osage orange? Yeah, I didn’t know it either, but Maclura pomifera apparently “has a long and interesting history of use by both Native Americans and early pioneers.” I heard about it for the first time when Jeremy sent me a little piece this morning about Jared Rydelek, a YouTuber who goes around the world tasting unusual fruits. Which is a really nice gig if you can get it. Though somewhat disappointing in the specific case of the Osage orange, it seems. Sometimes there’s a reason why neglected species are neglected. Anyway, Jeremy did know about Maclura, it turns out, albeit mainly as a hedge, and because he occasionally walks under some specimens when wandering around Trastevere, of all places.

LATER: Corrected spelling mistake in name of the damn thing.

October 10, 2017

Nibbles: Digital lettuce, Dutch seeds, Durian genome, Jackfruit 101, Ag origins, Palestinian watermelon, Pumpkin evolution, Wine trade

Dutch lettuce collection to be sequenced.
Ah yes, the Dutch are real seed visionaries.
Durian next?
Maybe jackfruit?
We should never have given up being hunter-gatherers.
But then we wouldn’t have watermelons. Or, later in the year, pumpkins.
Or wine.

September 25, 2017September 26, 2017

Brainfood: Pennisetum genome, Dioscorea genome, CBS timeline, Global taro, Science storytelling, Fragmented populations, Beet diversity, Potato diversity, Norwegian chickens, Med holidays, ABS, Jatropha diversity, Better olive oil

Pearl millet genome sequence provides a resource to improve agronomic traits in arid environments. Of course it does. Lots of genes for natural wax proteins may be part of the answer.
Genome sequencing of the staple food crop white Guinea yam enables the development of a molecular marker for sex determination. Which should make breeding more efficient.
Cassava brown streak disease: historical timeline, current knowledge and future prospects. Re-emergence drives intense scientific scrutiny, and maybe some solutions, including 25 best-bet clones from the region which show foliar symptoms but no tuber necrosis.
Adapting clonally propagated crops to climatic changes: a global approach for taro (Colocasia esculenta (L.) Schott). People need taro diversity.
Opinion: Finding the plot in science storytelling in hopes of enhancing science communication. See all of the above.
Call for a Paradigm Shift in the Genetic Management of Fragmented Populations. Mix it up!
How scattered trees matter for biodiversity conservation in active pastures. By being diverse, and helping in forest recovery. Someone should mash up with the previous.
Insights into the genetic relationships among plants of Beta section Beta using SNP markers. Fancy markers say same thing as less fancy markers.
Levels of Intra-Specific AFLP diversity in Tuber-Bearing Potato Species with Different Breeding Systems and Ploidy Levels. One plant is enough for self-compatible species.
Genetic diversity in five chicken lines from the Norwegian live poultry gene bank. Not much, globally speaking. But that’s not the whole point.
Is It Still Necessary to Continue to Collect Crop Genetic Resources in the Mediterranean Area? A Case Study in Catalonia. Yes.
Beyond access and benefit-sharing : lessons from the emergence and application of the principle of fair and equitable benefit-sharing in agrobiodiversity governance. It’s not yet working, maybe because it’s too complicated.
Genetic Tracing of Jatropha curcas L. from Its Mesoamerican Origin to the World. Now we know where to go look for fixes to the low productivity problem of African and Asian material, which is all derived from a couple of accessions.
Exploration of genetic resources to improve the functional quality of virgin olive oil. We need data on phenolic composition.

September 18, 2017September 18, 2017

Brainfood: Baobab nutrition, New wild cucumber, Strawberry diversity, Sahelian threats, MTAs, CC & yields

Nutritional variation in baobab (Adansonia digitata L.) fruit pulp and seeds based on Africa geographical regions. Malawi has the most nutritious types.
A valid name for the Xishuangbanna gourd, a cucumber with carotene-rich fruits. Cucumis sativus L. var. xishuangbannanensis Qi & Yuan ex S.S.Renner, var. nov., if you must know.
Population genetic analysis of a global collection of Fragaria vesca using microsatellite markers. The Icelandic are different from the other European populatons.
Spatially explicit multi-threat assessment of food tree species in Burkina Faso: A fine-scale approach. All species threatened everywhere, but especially by climate change.
Use and Misuse of Material Transfer Agreements: Lessons in Proportionality from Research, Repositories, and Litigation. Horses for courses.
Temperature increase reduces global yields of major crops in four independent estimates. “Without CO2 fertilization, effective adaptation, and genetic improvement, each degree-Celsius increase in global mean temperature would, on average, reduce global yields of wheat by 6.0%, rice by 3.2%, maize by 7.4%, and soybean by 3.1%.”

September 11, 2017February 8, 2018

Brainfood: Eggplant germplasm, CC threat, Impact metrics, Drought & seeds, Burundi cattle, Wild chickpea, Banana collecting, Bambara groundnut diversity, CIP cryo, USA PGR policy, Australian forages, ILRI seed testing, Nepal intensification, Maize and CC

World Vegetable Center Eggplant Collection: Origin, Composition, Seed Dissemination and Utilization in Breeding. 3,200 accessions from 90 countries, covering all 3 cultivated species, but not enough wild relatives.
An integrated framework to identify wildlife populations under threat from climate change. Need to know about landscape connectivity, and genomic data would be useful too.
Research impact: a narrative review. There are lots of methods, and the indirect ones are sometimes the best.
Orthodox seeds and resurrection plants: two of a kind? Resurrection plants have reactivated the ancient seed drought tolerance program in vegetative tissues.
Effect of genetic European taurine ancestry on milk yield of Ankole-Holstein crossbred dairy cattle in mixed smallholders system of Burundi highlands. European ancestry good for milk yield.
First insights into the biochemical and molecular response to cold stress in Cicer microphyllum, a crop wild relative of chickpea (Cicer arietinum). High altitude Himalayan species found to have frost tolerance.
Banana Collecting Mission in the Autonomous Region Of Bougainville (AROB), Papua New Guinea. 13 days, 61 accessions. Hard work.
Morphological Characterisation of Selected African Accessions of Bambara Groundnut (Vigna subterranea (L.) Verdc.). 3 out of 300 out of 1973 have high yield potential. Hard work.
A large-scale viability assessment of the potato cryobank at the International Potato Center (CIP). They’re getting better at it. Hard work.
Deep Seeded Problems: A Look At Seed Bank Regulations. The USA should engage internationally on crop diversity conservation. Hard work.
Australian Pastures Genebank – Temperate Species Regeneration. Hard work.
Medium-term seed storage of 50 genera of forage legumes and evidence-based genebank monitoring intervals. Hard seeds are hard work.
Agricultural Land Use Intensity and Determinants in Different Agroecological Regions in Central Nepal Himalaya. Location, location, location.
Maize Diversity and Climate Change. To investigate the local adaptation of landraces, which you need for adaptation to climate change, you need the synergy that comes from genomics and phenomics in coordinated fashion.

1. The COUSIN project aims to conserve (trans situ, no less) and use crop wild relatives in Europe.
2. That “use” part can be tough.
3. But that doesn’t stop the fine people at Aardaia. At least where aardaker (Lathyrus tuberosus) is concerned.
4. From alternative potatoes in the Netherlands to alternative beans in Indonesia. All in the cause of diversification.
5. No need to find an alternative to amaranth in the American SW. Not with devoted chefs on the job.
6. The Iraqi Seed Collective is taking seeds from American genebanks to that country’s diaspora in the US, and eventually back to Iraq itself. Maybe chefs will help.
7. Good thing there are genebank backups, eh?
Published on July 9, 2025