Oak Valley
Growing greener Grannies. By Anna Mouton. “Granny Smith is a very high value apple,” says Graeme Krige, technical adviser at Fruitmax Agri, “but it has to be perfectly green or it’s out. It’s not the case that mild sunburn is…
Graymead
Innovation adds value. By Anna Mouton. “M.9 has been used successfully as a rootstock all over the world,” says Keith Bradley, general manager of agri-services at Fruitways Farming, “but there was always the perception that M.9 wouldn’t work in South…
Low-flow drip irrigation in apples
A new Hortgro-funded study compares tree performance and root development in low- and ultra-low-flow drip-irrigated apples. By Engela Duvenage. Continuous low-flow drip irrigation is being used with great success by the South African citrus industry. A Hortgro-funded project launched in…
Be realistic about water savings under nets
Nets protect apples from sun, hail, sleet, and wind. But do they reduce water use? Preliminary data suggests yes, but less than elsewhere in the world. By Engela Duvenage. Hortgro is co-funding a project with the Water Research Commission to…
Orchard water use relates to leaf area
Control vegetative growth to improve the water-use efficiency of apple orchards. By Engela Duvenage. This is one of the conclusions in a recent report by a team of researchers from the Council for Scientific and Industrial Research, the Agricultural Research…
How much water do orchards use?
The analysis of water use commissioned by Hortgro provides an interesting perspective on evapotranspiration data for pome and stone fruit. By Anna Mouton. The lead researcher on the project, agrometeorologist Dr Caren Jarmain, collaborated with Dr Nicky Taylor, senior lecturer…
Climate-change guidelines for growers
A recent Hortgro-funded project focused on how climate change will impact growers in key production regions. By Jorisna Bonthuys. Climate change poses a significant threat to the sustainability of the pome- and stone-fruit industries, according to Prof. Stephanie Midgley, Climate…
A tool to decode climate data
TerraClim is a climate and terrain tool for the Western Cape that offers powerful decision-making support to pome-fruit growers. By Anna Mouton. We are all aware that environmental variables such as temperature are decisive for pome-fruit production and quality. This…