"head blight" meaning in English

{
  "forms": [
    {
      "form": "head blights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "head blight (plural head blights)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Plant diseases",
          "orig": "en:Plant diseases",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a blight afflicting the seed heads or inflorescences of cereal crops"
      ],
      "id": "en-head_blight-en-noun-uixjxO9i",
      "links": [
        [
          "phytopathology",
          "phytopathology"
        ],
        [
          "blight",
          "blight"
        ],
        [
          "seed head",
          "seed head"
        ],
        [
          "inflorescence",
          "inflorescence"
        ]
      ],
      "raw_glosses": [
        "(phytopathology) a blight afflicting the seed heads or inflorescences of cereal crops"
      ],
      "topics": [
        "biology",
        "botany",
        "medicine",
        "natural-sciences",
        "pathology",
        "phytopathology",
        "sciences"
      ]
    }
  ],
  "word": "head blight"
}

{
  "forms": [
    {
      "form": "head blights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "head blight (plural head blights)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Plant diseases"
      ],
      "glosses": [
        "a blight afflicting the seed heads or inflorescences of cereal crops"
      ],
      "links": [
        [
          "phytopathology",
          "phytopathology"
        ],
        [
          "blight",
          "blight"
        ],
        [
          "seed head",
          "seed head"
        ],
        [
          "inflorescence",
          "inflorescence"
        ]
      ],
      "raw_glosses": [
        "(phytopathology) a blight afflicting the seed heads or inflorescences of cereal crops"
      ],
      "topics": [
        "biology",
        "botany",
        "medicine",
        "natural-sciences",
        "pathology",
        "phytopathology",
        "sciences"
      ]
    }
  ],
  "word": "head blight"
}