Conservation and exploitation of crop wild relative species is an important component in ensuring food security and improving current agricultural output. By identifying agriculturally important characteristics that express favorable response to both biotic and abiotic stress currently unused by breeders, the incorporation of this new genetic material into genetic background stocks may help mitigate problems imposed by climate change, land degradation, and population pressure. This is particularly important in countries that will be more severely affected by the threat of reduced yields. The ability to effectively manage genetic resources collections and integrate unique and diverse data types is crucial in exploring, understanding, and exploiting the diversity contained within genebanks. Providing a common interface through which experimental and background data can be disseminated to both researchers and breeders will bring focus and facilitate community building into research communities. We have taken wild barley (Hordeum spp.) and potato (Solanum spp.) collections along with wheat (Triticum spp.) and maize (Zea mays subsp. mays) and their wild relatives and incorporated this data into web-based information resources built using the Germinate platform (https://ics.hutton.ac.uk/get-germinate, accessed 4 Apr. 2017). We have tailored these to better meet the demands of researchers by developing both new data visualization tools and integration with current software such as Helium, Flapjack, and CurlyWhirly (https://ics.hutton.ac.uk/software, accessed 4 Apr. 2017) and presented the data in a common platform. While the underlying species differ, the approach taken ensures that tools are compatible across all database instances. We will describe these database instances and show that Germinate offers a common platform that will aid in the exploration and wider use of these species.
Source: Crop Science v. 57, p.1-15
Rainfall simulator trials were conducted on sugar cane paddocks across dry-tropical and subtropical Queensland, Australia, to examine the potential for spot spraying to reduce herbicide losses in runoff. Recommended rates of the herbicides glyphosate, 2,4-D, fluoroxypyr, atrazine, and diuron were sprayed onto 0, 20, 40, 50, 70, or 100% of the area of runoff plots.
Simulated rainfall was applied 2 days after spraying to induce runoff at one plant cane and three ratoon crop sites. Over 50% of all herbicides were transported in the dissolved phase of runoff, regardless of the herbicide’s sediment−water partition coefficient.
For most sites and herbicides, runoff herbicide concentrations decreased with decreasing spray coverage and with decreasing herbicide load in the soil and cane residues. Importantly, sites with higher infiltration prior to runoff and lower total runoff had lower runoff herbicide concentrations.
Source: Spot Spraying Reduces Herbicide Concentrations in Runoff – Journal of Agricultural and Food Chemistry (ACS Publications)
Editor in Chief
Pervez H. Zaidi, Mohammad Azrai, and Kevin Pixley
Abstract: This is proceeding of the 10th Asian Regional Maize
Workshop held in Makassar, Indonesia during 20 – 23 October 2008, and co-organized by International Maize and Wheat Improvement Center (CIMMYT), Mexico and The Indonesian Agency for Agricultural Research and Development (IAARD), Indonesia.
The theme of the workshop was “Maize for Asia: Emerging Trends and Technologies”. The 10th ARMW brought together in Makassar, Indonesia, over 300 maize scientists, researchers and students from public and private sectors, including participants from China, Philippines, Thailand, Cambodia, Myanmar, Bangladesh, Nepal, Bhutan, India, Iran, Indonesia, Vietnam, Laos, Australia, Kenya and Mexico. The workshop had 65 oral and 108 poster presentations, and included invited lectures, research paper presentations, scientific deliberations and discussions on maize in Asia. Papers of the proceeding deals with molecular tools, for maize improvement, genetics and breeding, crop management, biotic and Abiotic stresses affecting maize, technology dissemination and country reports.