Tag: rothamsted research

Sweet way to greater yields

Three years ago, biotechnologists demonstrated in field trials that they could increase the productivity of maize by introducing a rice gene into the plant that regulated the accumulation of sucrose in kernels and led to more kernels per maize plant.

They knew that the rice gene affected the performance of a natural chemical in maize, trehalose 6-phosphate (T6P), which influences the distribution of sucrose in the plant. But they were keen to discover more intimate details of the relationships governing the increased productivity.

“Now we know far more about how this yield effect has been achieved,” says Matthew Paul, who led the Anglo-American team from Rothamsted Research and Syngenta, a biotechnology company that also funded the work. The team’s findings are published today in Plant Physiology.

Diamondback moths discovered overwintering in Somerset

Scientists have found diamondback moth (DBM) caterpillars surviving in UK Brassica crops this winter and are recommending growers check their own crops for the pest now.

Previously considered a migratory pest, recent research from AHDB indicated that diamondback moths could be surviving UK winters.

AHDB’s Dawn Teverson, and Rosemary Collier from Warwick Crop Centre have been out in the field hunting for the caterpillars and found the pest on the underside of leaves in un-netted swede crops, located in the south west of England.

Less chewing the cud, more greening the fuel

Making grasses more digestible promises improved feed for ruminants and better biomass for biofuel production, with economic and environmental benefits for both.

Plant biomass contains considerable calorific value but most of it makes up robust cell walls, an unappetising evolutionary advantage that helped grasses to survive foragers and prosper for more than 60 million years.

The trouble is that this robustness still makes them less digestible in the rumen of cows and sheep and difficult to process in bioenergy refineries for ethanol fuel.

Back to the future

Modern farming owes much to long-standing research that continues to pump out results and to provide valuable perspectives to guide the future of agricultural science, achievements that will be celebrated at a three-day international conference in May.

The Future of Long-Term Experiments in Agricultural Science, from 21–23 May, is being organised by the Association of Applied Biologists at Rothamsted Conference Centre to mark the 175th anniversary of the start of scientific investigations at Rothamsted.

Hidden threat to health

The Gates Foundation programme brings together teams in Ethiopia, Malawi, Kenya and the UK © Rothamsted Research

One of the most ambitious programmes to provide lasting improvements in nutrition in sub-Saharan Africa begins today when a diverse multinational team of experts from agriculture to ethics start looking for ways to end dietary deficiencies in essential micronutrients.

Rothamsted Research is contributing soil and crop expertise to the programme, known as GeoNutrition, which has received a grant of £4.4 million from the Bill & Melinda Gates Foundation to cover 43 months’ work in Ethiopia and Malawi, principally.

Double dose for bees

In a paper published today in the Proceedings of the Royal Society B: Biological Sciences, a team of researchers from Italy and the US record their study of the effects on honey bees of agriculture that exposes the insects to both poor nutrition (low quality nectar) and pesticides (neonicotinoids).

“Our results provide the first demonstration that these stressors can synergistically interact and cause significant harm to animal survival,” report the researchers. “These findings have implications for pesticide risk-assessment and pollinator protection, and emphasise the importance of nutrition.”