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Davide Scaglione and colleagues have paper for anyone who needs to carry a genotyping experiment with cost-efficiency and reproducibility for population genetics and genome wide association studies. More
Understanding the spatial distribution of inorganic nutrients within edible parts of plant products helps biofortification efforts to identify and focus on specific uptake pathways and storage mechanisms. Cheah et al. harvested kernels of sweetcorn (Zea mays) variety ‘High zeaxanthin 103146’ and maize inbred line ‘Thai Floury 2’ at two different maturity stages. They then examined, […] More
The brassinosteroids hormones are involved in plant development and plant–environment interactions. In this work, Castorina et al. performed a detailed analysis of lilliputian1-1 (lil1-1), a mutant impaired in the last steps of the brassinosteroid pathway. Lack of brassinosteroid active molecules causes a drastic reduction in seedling elongation, affects root gravitropic curvature and alters cell density […] More
Failure to account for the variation of kernel growth may cause serious deviations in the simulation of crop yield. Ma et al. built a GREENLAB-Maize-Kernel model to incorporate source-sink limited allocation approach to simulate individual kernel filling process. Three basic traits characterizing individual kernel: (i) final kernel size, (ii) kernel growth rate, and (iii) kernel […] More
Maize and wheat are globally important food crops. The two species can be grown as an intercrop, with substantial land sparing in the order of 20%, as expressed by a land equivalent ratio of approximately 1.2. In a recent study published in AoB PLANTS, Gou et al. measured the nutrient uptake and photosynthesis rate of […] More
Studying the influence of soil strength on root growth dynamics, Popova et al. document the mechanical and tropic responses of primary roots of maize (Zea mays) seedlings further to penetration of a bilayered soil consisting of loose loamy sand on top and a coarser, denser layer beneath. Upon reaching the compacted soil in the lower […] More
Crops capable of improved nitrogen capture are in demand for the purposes of efficient global agricultural production. Dathe et al. employ functional-structural modelling to test the hypothesis that variation in the growth angles of maize roots is an important determinant of nitrogen uptake. They find that root growth angles are primary determinants of nitrogen acquisition […] More
![Set-up of split nitrate supply [0·5 mM for low nitrate (LN) and 4·0 mM for high nitrate (HN)] to roots of the maize inbred line B73.](https://www.botany.one/wp-content/uploads/2015/10/ZeaMays-364x205.jpg)
Shoot-borne roots contribute to most of the nutrient uptake throughout the life cycle of maize. Compared with numerous studies with embryonic roots, detailed information on the phenotypic plasticity of shoot-borne roots in response to a heterogeneous nitrogen supply is scarce. Yu et al. grow seedlings of maize (Zea mays) in a split-root system where nitrate […] More
Contractile roots require specific anatomical adaptation of the root base, with less-lignified & less-suberized tissues than in the subapical root. More
Results suggest that ethylene is perceived in all maize root tissues and cortical-cell-specific PCD is controlled downstream of ethylene perception. More
One cause of the yield advantage in the ‘three sisters’ polyculture is that the crops have different, possibly complementary, root foraging strategies. More
Kajala et al. describe regulation of asymmetric cell divisions for the embryo, including the first divisions of the zygote. More
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