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  • Nutrient requirements differ in two sympatric hemiparasitic species
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    Nutrient requirements differ in two sympatric hemiparasitic species

    The reasons for marked differences in growth performance of hemiparasites when attached to different hosts are not fully understood. Li et al. study the responses to inorganic solutes in the absence of a host plant of two facultative root hemiparasitic Pedicularis species, P. rex and P. tricolor, that have different host dependency and preference. They […] More

  • Image: Wikimedia Commons.
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    Spotlight on macronutrients: Phosphorus… and Potassium

    It’s a little naughty to consider these two elements together, I know, because this may unintentionally add to the confusion that often ensues in class when you ask students to tell you the full chemical names for elements with the symbol P – phosphorus – and K – potassium. Oh, the near-Pavlovian, knee-jerk temptation for […] More