- Using remote sensing to assess the effect of trees on millet yield in complex parklands of Central Senegal. Tree cover in the landscape of up to 35% increases pearl millet yields.
- Genetic and genomic resources for improving proso millet (Panicum miliaceum L.): a potential crop for food and nutritional security. All that’s missing is the investment. And, possibly, the trees.
- A high-quality genome of taro (Colocasia esculenta (L.) Schott), one of the world’s oldest crops. Has benefitted from two whole-genome duplications. Now that this investment has been made, I expect to see the crop take off. And here’s a blast from the past on this subject.
- Key traits and genes associate with salinity tolerance independent from vigor in cultivated sunflower. There is a way to increase yield under salinity stress without affecting yield under more benign conditions. Millets and taro should take note.
- Sustainable Cucurbit Breeding and Production in Asia Using Public–Private Partnerships by the World Vegetable Center. WorldVeg presents improved lines and F1 hybrids of bitter gourd (Momordica charantia), tropical pumpkin (Cucurbita moschata), ridge gourd (Luffa acutangula) and sponge gourd (Luffa cylindrica) to private sector breeders at Crop Field Days. Everybody wins. But are there any private sector breeders of millets and taro to take note?
- Crop Wild Phylorelatives (CWPs): phylogenetic distance, cytogenetic compatibility and breeding system data enable estimation of crop wild relative gene pool classification. Predicting crossability of a crop with its wild relatives from whatever data is on hand.
- Evolution and domestication of the Bovini species. They’ve been very promiscuous, and the results can be summarized in one illustration.
- Defining diet quality: a synthesis of dietary quality metrics and their validity for the double burden of malnutrition. Seven dietary metrics out there, none of them perfect.
- Assessing nutritional, health, and environmental sustainability dimensions of agri-food production. Here’s how to make nutrition and health metrics better. Maybe these guys should get together with the above?
- Aztec diets at the residential site of San Cristobal Ecatepec through stable carbon and nitrogen isotope analysis of bone collagen. The men drank more pulque than the women. I wonder if 500 years from now they’ll be judging us like this.
- The unique role of seed banking and cryobiotechnologies in plant conservation. Good summary of the different ex situ approaches available for plants, none of them perfect. The existence of an Exceptional Plant Conservation Network and a Project Baseline for seed genebanks was news to me.
- Making the post-2020 global biodiversity framework a successful tool for building biodiverse, inclusive, resilient and safe food systems for all. The CBD needs to learn to love mixed, diverse agricultural landscapes. And genebanks, natch. Maybe it should invest in dietary metrics.
- The Role of Genetic Resources in Breeding for Climate Change: The Case of Public Breeding Programmes in Eighteen Developing Countries. Business as usual, except more intense. Oh, and perhaps more use of landraces. No word on dietary metrics.
Biodiversity loss in experiments and in real life
A large body of research shows that biodiversity loss can reduce ecosystem functioning.
You don’t say. Several years ago we half-heartedly attempted to summarize the literature here a couple of times. We’ve sort of given up on that of late: there’s just too much of it. But there is a fundamental problem with this literature…
…much of the evidence for this relationship is drawn from biodiversity–ecosystem functioning experiments in which biodiversity loss is simulated by randomly assembling communities of varying species diversity, and ecosystem functions are measured.
Fear not, though, help is at hand. The two quotes above are from the abstract of a paper bearing the following title.
The results of biodiversity–ecosystem functioning experiments are realistic.
Phew.
Erasing Native fires
You might remember a couple of entries in a Brainfood from back in February.
- Conservation implications of limited Native American impacts in pre-contact New England. Native Americans didn’t manage woodland by controlled burning after all…
- Global change impacts on forest and fire dynamics using paleoecology and tree census data for eastern North America. …Sure they did. Interesting discussion on this on Twitter.
I only vaguely did, but enough to ring a bell when I happened across a full-throated take-down of that first article a few days ago. The question is to what extent Indigenous Peoples used fire to manage landscapes before European colonization of what is now New England.
If the answer is “not much” — as that first paper suggests, but the second denies — then conservation interventions involving “chainsaws, cattle and sheep grazing, and hay production, rather than fire” might be justified. So it’s not just an argument about the past, but also about what’s best today. The recent rebuttal suggests that the methods used to arrive at that “not much” conclusion were deeply flawed, and resulted in what amounts to “erasure” of Indigenous knowledge and Indigenous Peoples.
Most problematically, they ignore Indigenous sources that describe modifications of the environment, including but not limited to burning, in and near Native settlements and agricultural fields and along the interlaced trails and travel corridors where people sustained economic relationships and kinship networks.
I imagine the fiery debate will continue.
PGR Newsletter redux
Conceived to fill the gaps left by the discontinuation of the journals Plant Genetic Resources Newsletter and Animal Genetic Resources, it aims at serving the genetic resources community worldwide and across sectors.
That would be the new journal Genetic Resources, the first issue of which has just come out. I loved the old PGR Newsletter, and I’m really glad to see its baton passed on. The new journal’s website links to the archives of its predecessors.
Brainfood: Torres bananas, European Neolithic, Pleistocene dogs, Thai Neolithic, Amaranth domestication, Gluten trends, Perennial cereal, Resistant potatoes, Aridamerica, Ex situ mammals, AI, Zoonoses, Trade & diversity
- Multidisciplinary evidence for early banana (Musa cvs.) cultivation on Mabuyag Island, Torres Strait. Early as in 2000 years ago, which isn’t all that early compared to PNG. But opens possibility of mainland Aborigines being agriculturalists too, at least in the wet tropical NE.
- Climate shaped how Neolithic farmers and European hunter-gatherers interacted after a major slowdown from 6,100 BCE to 4,500 BCE. There was the most interaction between the two groups where Middle Eastern crops came to the limit of their climatic adaptation.
- The first evidence for Late Pleistocene dogs in Italy. Those hunter gatherers had dogs.
- Three thousand years of farming strategies in central Thailand. Millet first, then rice, but initially still rainfed. No word on whether anyone had dogs.
- Parallel Seed Color Adaptation during Multiple Domestication Attempts of an Ancient New World Grain. 3 grain amaranth domesticated species from one wild ancestor, with selection for white seeds in common.
- Wheat (Triticum aestivum L.) Breeding from 1891 to 2010 Contributed to Increasing Yield and Glutenin Contents but Decreasing Protein and Gliadin Contents. No evidence of increasing immunostimulatory potential in German wheat varieties.
- ‘MN‐Clearwater’, the first food‐grade intermediate wheatgrass (Kernza perennial grain) cultivar. Perennial is good, sure, but is it low in gluten?
- Screening of wild potatoes identifies new sources of late blight resistance. All plants in about 10% of 384 wild potato accessions were resistant.
- An Aridamerican model for agriculture in a hotter, water scarce world. 17 genera have highest potential to be used in polyculture to improve agricultural resilience, human health, and community prosperity in the face of climate change.
- Ex situ management as insurance against extinction of mammalian megafauna in an uncertain world. Fancy maths can tell you were genebanks could do the most good.
- Machine learning: A powerful tool for gene function prediction in plants. Very fancy maths can help you predict phenotype from genotype, and much more besides.
- Zoonotic host diversity increases in human-dominated ecosystems. Oh we are in so much trouble.
- Global changes in crop diversity: Trade rather than production enriches supply. Well, actually, a bit of both.