- Big new project on farm animal genomics. Gene-jockeys lick lips.
- Big new push to raise money for the Moringa Fund. Agroforesters lick lips.
- Big new hardiness zone map unleashed by USDA on unsuspecting world. American GIS people and gardeners lick lips.
- Bill Gates mentions cassava. CIAT licks lips.
Brainfood: Conservation policy, Grasspea breeding, Modeling rice diseases, Maize roots, Literature on new oil crops, Native vs non-native trees in Indonesian city parks, Cherimoya maps, Darwin Core, Seed dispersal and conservation, Oxalis variation, Polyploidy and variation, Pollinators, Microsymbionts, Plant migration, Culture and agriculture
As ever, we have added most of these references to our public group on Mendeley, for ease of finding. “Most?” we hear you say. “What gives?” Well, Mendeley and some academic publishers still don’t play nicely. There’s nothing to stop you adding the paper in question by hand, if you’re so inclined, but we don’t really have the time. And if you do, please do it right.
- Why are some biodiversity policies implemented and others ignored? Lessons from the uptake of the Global Strategy for Plant Conservation by botanic gardens. Because there are no feedback mechanisms?
- Genetic improvement of grass pea (Lathyrus sativus) in Ethiopia: an unfulfilled promise. Conventional breeding for low ODAP hasn’t worked, so forget about solving that problem through conventional breeding, and move on to other problems, or use genetic transformation.
- Modeling and mapping potential epidemics of rice diseases globally. It is not particularly well done, but one is surprised to see it done at all. NiM 1
- Morphological and physiological characteristics of corn (Zea mays L.) roots from cultivars with different yield potentials. More roots means more yield. Among some modern varieties anyway. Under some conditions. NiM
- Trends in literature on new oilseed crops and related species: Seeking evidence of increasing or waning interest. And finding it, alas. Sort of. NiM
- The green colonial heritage: Woody plants in parks of Bandung, Indonesia. Native species used to be used more, and should be used more again. NiM
- Mapping Genetic Diversity of Cherimoya (Annona cherimola Mill.): Application of Spatial Analysis for Conservation and Use of Plant Genetic Resources. Cool maps of microsat hotspots.
- Darwin Core: An Evolving Community-Developed Biodiversity Data Standard. The way out of Genebank Database Hell? Well, maybe the match that will light the torch that will show the way out.
- Seed dispersal in changing landscapes. Fragmentation, harvesting, invasions and climate change affect seed dispersal in ways that need to be understood by conservationists. NiM. And the BBC’s more verbose take on it.
- Distribution models and a dated phylogeny for Chilean Oxalis species reveal occupation of new habitats by different lineages, not rapid adaptive radiation. Title says it all, really. It’s not that a single lineage exploded as new habitats became available. Old lineages were pre-adapted to the new habitats. 2
- Extensive chromosomal variation in a recently formed natural allopolyploid species, Tragopogon miscellus (Asteraceae). Polyploidy leads to all hell breaking lose in the genome for generations.
- Overplaying the role of honey bees as pollinators: A comment on Aebi and Neumann (2011). It’s the wild bees, hoverflies and other native pollinators, stupid! But still.
- Arbuscular Mycorrhizas Reduce Nitrogen Loss via Leaching. 40 times less, no less.
- Distributional migrations, expansions, and contractions of tropical plant species as revealed in dated herbarium records. Eppur si muovono. And more on the paper. And more on herbarium digitization in general. what can I tell you, I’ve got apophenia.
- Ecological and socio-cultural factors influencing in situ conservation of crop diversity by traditional Andean households in Peru. There are influences; and why wouldn’t there be?
Nibbles: FIGS, Wassailing, Rice breeding, Mobile apps, GI, Coffee, Art, Symposium
- Probably way more than you ever need to know about FIGS. In one handy PowerPoint.
- The British love affair with the apple comes to a head. And goes over the top.
- 100 years of the Paddy Breeding Station. No, nothing to do with the Irish.
- Another damn app competition.
- Geographical Indications in Brazilian law deconstructed.
- Not too late for a cappuccino. But make mine a civet cat shit one.
- More rewriting of Amazon pre-history.
- Marianne North, botanical artist, in the Amazon and elsewhere, remembered.
- Starting now FAO Symposium: applying information on food and nutrition security to better decision making. There’s even a hashtag — #isfsi2012 — but nobody seems to be using it.
Brainfood: Cassava in Colombia, Tubers in Peru, Breadfruit diversity, Hominins and elephants, Evolution, Domestication, Mongolian sheep, Roads, Econutrition, South Asia food composition
- Informal “Seed” Systems and the Management of Gene Flow in Traditional Agroecosystems: The Case of Cassava in Cauca, Colombia. Farmers move cassava around a lot.
- Ecological and socio-cultural factors influencing in situ conservation of crop diversity by traditional Andean households in Peru. Farmers should be supported in moving tubers around more.
- Nutritional and morphological diversity of breadfruit (Artocarpus, Moraceae): Identification of elite cultivars for food security. There’s a lot of it.
- Man the Fat Hunter: The Demise of Homo erectus and the Emergence of a New Hominin Lineage in the Middle Pleistocene (ca. 400 kyr) Levant. Disappearance of elephant led to replacement of Homo erectus. Quite a difference from the more recent hominin-elephant dynamic.
- Fitness consequences of plants growing with siblings: reconciling kin selection, niche partitioning and competitive ability. All agriculture is about reconciling kin selection.
- Cultivation and domestication had multiple origins: arguments against the core area hypothesis for the origins of agriculture in the Near East. Revisionism rules.
- Tracing genetic differentiation of Chinese Mongolian sheep using microsatellites. Five populations clustered by fancy science into, ahem, five populations.
- Road connectivity, population, and crop production in Sub-Saharan Africa. Fancy science reveals better roads would be good for agriculture. Hell, my mother-in-law could have told them that.
- Econutrition: Preventing Malnutrition with Agrodiversity Interventions. Home gardening is the way to go.
- Carotenoid and retinol composition of South Asian foods commonly consumed in the UK. Palak paneer is not just good, it’s good for you.
Mining the minerals in cowpea
In the wake of recent news of successes in biofortifying root and tuber crops like sweet potato and cassava, it is as well to remind ourselves that grains also provide micronutrients, 3 and a paper in Plant Genetic Resources: Characterization and Utilization does a good job of just that for the somewhat neglected cowpea. 4
The authors assessed 1541 accessions from the IITA genebank for the crude protein, Fe, Zn, Ca, Mg, K and P content of the grains. They found fairly wide diversity, but recognized some 9 groups of accessions within which the nutrient profiles were relatively similar. The “best” 50 accessions belonged to only three of these groups, and seven of the best 10 accessions to just one group. While admitting that “increased mineral content in the grains does not guarantee increased nutrient status for the consumer,” they concluded that
…members of some groups such as G5 and G9, which included TVu-2723, TVu-3638 and TVu-2508, would be potential sources of genes for enhancing protein and mineral concentrations in improved cowpea varieties. These lines would therefore be selected and used in crossing for generating segregating populations from where selections can be made for newly developed nutrient-dense cowpea varieties.
It may be the subject of another paper, but what Ousmane Boukar and his co-authors do not do in this one is investigate whether groups G5 and G9, which as I say are based on mineral composition, also hang together morphologically or geographically. Here’s the geographical distribution of the IITA collection, based on data in Genesys (you’ll see it better if you click on it):
The top 10 accessions in fact come from Benin, India (2), Mali, Nigeria, Puerto Rico, the US (3) and Zaire, so the latter is probably unlikely. Unfortunately, only the Mali and Benin accessions are georeferenced, but look at the nighbourhood of one of them, TVu-8810 from Benin, shown here in red:
Worth collecting a bit more around the village of Borgou?