- Genetic structure and internal gene flow in populations of Schinus molle (Anacardiaceae) in the Brazilian Pampa. Try to keep what forest patches remain. And link them up somehow.
- Genetic Diversity of Buckwheat Cultivars (Fagopyrum tartaricum Gaertn.) Assessed with SSR Markers Developed from Genome Survey Sequences. Two groups, overlapping in Qinghai, China.
- Increases in the longevity of desiccation-phase developing rice seeds: response to high-temperature drying depends on harvest moisture content. Genebanks may have it wrong for seeds of rice (and perhaps other tropical species) harvested while still metabolically active: these you can dry at higher temperatures than is the norm.
- Vitis International Variety Catalogue (VIVC): A cultivar database referenced by genetic profiles and morphology. Now with added microsatellites.
- Options for enhancing efficiency and effectiveness of research capacity for livestock genetics in, and for, sub-Saharan Africa. Embed in wider rural development, collaborate, and share data. Could apply to more than just livestock improvement.
- Mapping and validating predictions of bacterial biodiversity using European and national scale datasets. It’s the pH.
- Agricultural Extension Roles towards Adapting to the Effects of Taro Leaf Blight (Tlb) Disease in Nsukka Agricultural Zone, Enugu State. Basically, extensionists haven’t done a thing.
- Anthropogenic drivers of plant diversity: perspective on land use change in a dynamic cultural landscape. Abandoning farmland is not good for biodiversity.
- Agricultural landscapes and biodiversity conservation: a case study in Sicily (Italy). Ahem. Abandoning farmland is not good for biodiversity.
- Genetic diversity of Faidherbia albida (Del.) A. Chev accessions held at the World Agroforestry Centre. It’s not enough.
Nibbles: High science, Methane-friendly rice, Gender, Indian priestesses, Banana extinction, Inka legacy, Diversity in ag, Yerba genome, Cucumber chains, Tomato relative, Agrobiodiversity in art
- High-level agricultural scientists thinks high agricultural science will feed the world. Oh, and smart policies.
- This new rice would qualify, I suspect.
- Participatory varietal selection manual revised to take women into account. Someone mention high science?
- No such manual needed in India, it seems.
- The banana-is-doomed story sure has legs. Or hands.
- What did the Inkas ever do for us?
- Is agriculture diverse enough? That is the question.
- Yerba mate gets sequenced. Because it can be.
- Following an Indian cucumber down the value chain.
- Thank your lucky stars for this weedy-looking tomato wild relative.
- “We’re interested in the color, shape and sizes of the vegetables from 400 years ago, compared to modern cultivars of the same vegetables: the deep sutures on cantaloupe in Italian art of the Renaissance or the lack of pigmentation in pictures of watermelon compared to today.”
- Quite a bit of agrobiodiversity featured in Day of Archaeology. Nice idea.
Sequence everything — but not only
The contents of a potato genebank? Nope: “…a maximum of two alleles per locus contributed to this variation.” That’s because this tuberous cornucopia is what the authors of a recent essay in the American Journal of Botany 1 got when they selfed a diploid potato clone which was itself derived from a cross between a completely homozygous parent and one that was very nearly so.
What does this mean for genebanks? Basically, that they can’t rely on morphological variation, in even a whole set of traits, as a proxy for overall genetic diversity. So long, old-fashioned core collections. What you really need to do is sequence everything. Music to DivSeek ears, I’m sure. But that’s not all. You also have to make sure that the resulting better diversity information gets to farmers in a way that helps them support the processes that “create and maintain useful variation for functional traits and to develop strategies to identify and select valuable phenotypes.” Or on-farm conservation, to you and me.
Brainfood: Grassland diversity, Potato diversity, English CWR, Genetic rescue, Saffron diversity, Lac, Cereal domestication, Turkish pea, Pathogen genomes, Rose fragrance, African cheese
- Worldwide evidence of a unimodal relationship between productivity and plant species richness. Grassland richness maximal at intermediate productivity levels.
- Cytoplasmic genome types of European potatoes and their effects on complex agronomic traits. Interesting relationships between cytoplasmic type on one hand and tuber starch content and resistance to late blight on other.
- Enhancing the Conservation of Crop Wild Relatives in England. 148 priority species, half of them not in ex situ at all. But there’s no excuse for that now.
- Genetic rescue to the rescue. Meaning an increase in population fitness, especially of rare species, owing to new alleles. Genomics will help by choosing the new alleles better, and monitoring the results.
- Diversity and relationships of Crocus sativus and its relatives analysed by IRAPs. No variation in the allotriploid cultigen, lots in the closely related species. Let the resynthesis begin.
- Economic analysis of Kusmi lac production on Zizyphus mauritiana (Lamb.) under different fertilizer treatments. That would be the scarlet resin secreted by some insects. NPK needed. No word on genetic differences.
- Parallel Domestication of the Heading Date 1 Gene in Cereals. Same QTL in sorghum, foxtail millet and rice, but different alterations of it. Multiple domestication for sorghum, single for foxtail millet.
- DNA based iPBS-retrotransposon markers for investigating the population structure of pea (Pisum sativum) germplasm from Turkey. No geographic structure for the landraces.
- The two-speed genomes of filamentous pathogens: waltz with plants. Fungi and oomycetes quite different genetically, but both have regions of genome which change rapidly to make them good pathogens. Bastards.
- The flowering of a new scent pathway in rose. Can we have our nice-smelling roses back now, please?
- AFLP assessment of the genetic diversity of Calotropis procera (Apocynaceae) in the West Africa region (Benin). Not just a weed, used in cheese-making, of all things.
Nibbles: Fertile Crescent, Hawaii taro, Purple spud, Caribbean yams, UNESCO wine & rice, VIR rye, Diverse barley
- Video of Robin Allaby on that find of underwater Mesolithic wheat DNA off England. Well, that’s just the intro. Most of the rest is about the movement of flax north through Europe.
- There’s a great Facebook group on the taros (or kalos) of Hawaii.
- Weird coloured potato could be a hit Down Under.
- New yams for Guadeloupe. No news on their colour.
- Nice scenery and wine. Sign me up.
- Also on the UNESCO heritage list: China’s rice terraces.
- The Russian rye is coming! The Russian rye is coming!
- Learn about the Oregon Wolfe Barley population. Thanks to Trust Me, I Am a Seed “Scientist”, another Facebook group worth following.