annals-of-botany
QTLs for seed yield under different P supply
Low levels of phosphorous in soils seriously limit seed production of Brassica napus. Ding et al. investigate phenotypic variation of seed yield and yield-related traits
annals-of-botany
Acidic alpha-galactosidase in tobacco floral nectar
Most floral nectar proteins (nectarins) are reported to function in nectar defence, particularly for insect-pollinated outcrossing species. Zha et al. compare nectarin composition in selfing
annals-of-botany
Resistance to pathogens under variable temperatures
The biotic and abiotic environment of interacting hosts and parasites may vary considerably over small spatial and temporal scales. Jorgensen examines the effects of differing temperature
Plant Cuttings
Putative phytological pugilism (probably…) [or, One species – two genomes?]
In the genteel world of botany, one may be surprised to discover that – occasionally! – disagreements can arise, and that tempers can get just a little heated.
Uncategorized
Bullock Ploughing (plowing) in Ethiopia
I added a new skill to my CV last week. Most of the farmland of Ethiopia is ploughed with bullock ploughs (plows). One man and two
annals-of-botany
Post-harvest transcriptional changes in onion
During the transition from endo- to eco-dormancy and subsequent growth, the bulb of onion (Allium cepa) changes from a sink organ to a source, but
Ecosystems
Erosion control, Grevillea and the hills around Aksum, northern Ethiopia – videoblog
Erosion is the most environmentally destructive process. Our videoblog shows planting and watering of Grevillea on hillsides in Ethiopia to control soil loss.
Uncategorized
Ethiopian cereal and chilli mills: making flour in the market from corn, tef, wheat and chilli
See on Scoop.it – AnnBot Flour milling in the west happens out of view! Here we can see three different grains being milled in two larger
annals-of-botany
Seed banks on stems of wetland palms
Seeds can accumulate in the soil or elsewhere, and one potential site is on the stems of palms when these are covered by persistent sheaths. Corrêa
annals-of-botany
Annual increments of juniper as a climatic proxy
Dendroclimatology can play an important role in understanding past climatic changes, and where trees are not present it may be possible to utilize shrubs instead. Liang
annals-of-botany
Soil heterogeneity and intraspecific competition
Spatial heterogeneity in nutrients may increase the relative competitive ability of species that are more able to concentrate their roots where nutrient levels are high; if
Plant Cuttings
Proof of phytological principle
Sadly, we don’t have time machines that would permit us to go back and see ancient evolution in action. So we have to make do