Category: Indigenous knowledge systems

• Large-scale genome-wide association study reveals that drought-induced lodging in grain sorghum is associated with plant height and traits linked to carbon remobilisation. To reduce lodging, better to select for stay-green (delayed leaf senescence) than for short stature and lodging resistance per se. Here’s a Twitter thread by one of the authors summarizing the findings.
• Green revolution ‘stumbles’ in a dry environment: Dwarf wheat with Rht genes fails to produce higher grain yield than taller plants under drought. At least it doesn’t lodge, though, right?
• A Core Subset of the ex situ Collection of S. demissum at the US Potato Genebank. From 149 to 38, keeping 96% of all marker diversity.
• Migration through a major Andean ecogeographic disruption as a driver of genotypic and phenotypic diversity in a wild tomato species. I guess if you were going to make a core collection for this you could do worse than sample ecogeographically diverse and isolated spots. Tricky to conserve in situ though.
• DNA barcoding of Oryza: conventional, specific, and super barcodes. 6 hypervariable regions in the chloroplast genome can serve as rice-specific DNA barcodes. Assuming you agree on species concepts in the first place.
• A “Global Safety Net” to reverse biodiversity loss and stabilize Earth’s climate. The 50% of the Earth to save to save the Earth.
• Three Key considerations for biodiversity conservation in multilateral agreements. Plan, model, assign responsibility.
• Mashes to Mashes, Crust to Crust. Presenting a novel microstructural marker for malting in the archaeological record. Aleurone cell breakdown in archaeobotanical remains is a robust indicator of beer-making. I bet they find it everywhere now.
• The agroecology of an early state: new results from Hattusha. Huge underground grain silos, with each container holding grain from multiple sites, which could be evidence of tax-paying. But no word on beer.
• Informal Seed Traders: The Backbone of Seed Business and African Smallholder Seed Supply. Lots of room for engagement, and considerable upside. If I were to pick out just one high-potential intervention, it would be providing training in seed testing.
• Restoring cultivated agrobiodiversity: The political ecology of knowledge networks between local peasant seed groups in France. I’m sure they’re testing their seeds.
• A Protective Role for Accumulated Dry Matter Reserves in Seeds During Desiccation: Implications for Conservation. Cells must have >35% dry matter to be able to withstand desiccation.
• Multiple lines of evidence for the origin of domesticated chili pepper, Capsicum annuum, in Mexico. It looks like we — inexplicably — missed this the first time around. Chilli, maize and beans originated in different parts of Mexico.
• Ecological intensification and diversification approaches to maintain biodiversity, ecosystem services and food production in a changing world. Though you can change one thing at a time, it’s better to redesign the whole system. But is the better the enemy of the good?
• Refining the genetic structure and relationships of European cattle breeds through meta-analysis of worldwide genomic SNP data, focusing on Italian cattle. 2 groups among Italian breeds: North-Central breeds linked to Alpine and Iberian breeds, and Podolian-Sicilian breeds with links to the Balkans.
• The Archaeology of Pig Domestication in Eurasia. Independent domestication in northern Mesopotamia by 7500 BC (extensive management) and China by 6000 BC (maybe intensive); failed to take off in Japan, for interesting reasons.
• Vegetative States: Potatoes, Affordances, and Survival Ecologies. The potato has both helped to underpin and resist state coercion. The Hittites would have worked something out, though, I feel.
• Holocene coastal evolution preceded the expansion of paddy field rice farming. Rice only moved south from the lower Yangtze 2-3000 years ago, once costal land opened up. No word on affordances.