There could be many reasons why your tomato plant (Solanum lycopersicum) is turning brown, but let's hope it is not a bacterial infection! If it is, know what to look for so you can catch it early. It ...
A photo of a cyst nematode's head viewed through a high-power microscope shows its esophageal glands, which produce effectors it uses to infect host plants. The image was digitally edited to highlight ...
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