When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Papaya lethal yellowing virus - Wikipedia

    en.wikipedia.org/wiki/Papaya_lethal_yellowing_virus

    The signs of the virus begin to become visible when the leaves at the top of the plant begin turning yellow and eventually fall off. [6] This usually occurs in the upper third of the canopy and death of the plant usually occurs soon after the leaves wilt and die. [ 3 ]

  3. Maize lethal necrosis disease - Wikipedia

    en.wikipedia.org/wiki/Maize_lethal_necrosis_disease

    In the early stages, MLND causes long yellow stripes on leaves. Unlike maize streak virus disease though, the streaks of MLND are wider. As the disease advances, the maize leaves become yellow and dry out from the outside edges towards the midrib. MLND can also cause dwarfing and premature aging of the plants. Finally, the entire plant dries ...

  4. List of maize diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_maize_diseases

    Rust, common corn Puccinia sorghi: Rust, southern corn Puccinia polysora: Rust, tropical corn Physopella pallescens. Physopella zeae = Angiopsora zeae. Sclerotium ear rot Southern blight Athelia rolfsii: Seed rot-seedling blight Athelia rolfsii. Bipolaris sorokiniana Bipolaris zeicola = Helminthosporium carbonum Diplodia maydis Exserohilum ...

  5. Maize dwarf mosaic virus - Wikipedia

    en.wikipedia.org/wiki/Maize_dwarf_mosaic_virus

    Young leaves, may experience chlorotic spotting which may eventually turn into a mosaic or mottle pattern (“Maize Dwarf Mosaic Virus,” n.d.). Later in the growing season, the mosaic pattern may bleed into a general yellowing of the leaf and eventually areas of red streaks or blotches may appear if night time temperatures are consistently ...

  6. Corn grey leaf spot - Wikipedia

    en.wikipedia.org/wiki/Corn_grey_leaf_spot

    Corn grey leaf spot can be an extremely devastating disease as potential yield losses range from 5 to 40 US bushels per acre (440 to 3,480 L/ha). At higher disease levels, even greater losses can result. When a corn plant's ability to store and produce carbohydrates (glucose) in the grain is diminished, yield losses take place.

  7. Leaf spot - Wikipedia

    en.wikipedia.org/wiki/Leaf_spot

    Leaf spots can vary in size, shape, and color depending on the age and type of the cause or pathogen. Plants, shrubs and trees are weakened by the spots on the leaves as they reduce available foliar space for photosynthesis. Other forms of leaf spot diseases include leaf rust, downy mildew and blights. [4]

  8. 7 Reasons Your Peace Lily Leaves Are Turning Yellow ... - AOL

    www.aol.com/lifestyle/7-reasons-peace-lily...

    The solution: You can remove old, yellow peace lily leaves with scissors or by pinching them off the plant with your fingers. This improves the look of your peace lily and redirects the plant’s ...

  9. Cochliobolus carbonum - Wikipedia

    en.wikipedia.org/wiki/Cochliobolus_carbonum

    As one of the most devastating pathogens of sweet corn, C. carbonum causes Northern leaf spot and ear rot disease [1] while the asexual stage causes Helminthosporium corn leaf spot. [2] Cochliobolus carbonum is pathogenic to all organs of the corn plant including root, stalk, ear, kernel, and sheath. [ 3 ]