Cover crop could solve weed problems for edamame growers

Cover crops such as cereal rye reduce weed competition in grain soybean, but most vegetable legume growers have yet to adopt the practice due to the potential for reduced germination and yield in thick cover crop residue. However, a new study from the University of Illinois and USDA Agricultural Research Service (USDA-ARS) shows early-terminated rye could be a promising part of an integrated weed management program for some vegetable legumes, including edamame.

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Nanocrystals could drive explosive volcanic eruptions

The formation of nanometre-sized crystals can even in low concentrations temporarily change the viscosity of magma and lead to violent volcanic eruptions. That is the conclusion of geophysicists in the UK, Germany and France, who say that their research helps to explain how otherwise calm and predictable volcanoes can turn unexpectedly explosive.

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Planting parasites: Unveiling common molecular mechanisms of parasitism and grafting

β-1,4-glucanase, a cell wall degrading enzyme, is integral for plant parasitism and cross-species grafting in the plant family Orobanchaceae. Using the model Orobanchaceae parasitic plant Phtheirospermum japonicum, scientists from Nagoya University and other research institutes from Japan have discerned the molecular mechanisms underlying plant parasitism and cross-species grafting, pinpointing enzyme β-1,4-glucanase (GH9B3) as an important contributor to both phenomena.

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