Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Winter Squash and Pumpkins > Fuzzy growth on fruit
Winter Squash and Pumpkins > Fruit > Fuzzy growth on fruit
1 of 4
Anthracnose
Colletotrichum obriculare
- Circular sunken dark spots on fruit up to ½” across
- Salmon colored spores form in the center of fruit spots when wet
- Irregular brown leaf spots
- Commonly appears mid to late season
- More information on Anthracnose
2 of 4
White Mold
Sclerotinia sclerotiorum
- White cottony mold on squash
- Small hard, black raisin like fungal structures embedded in cottony mold
- Fruit becomes rotted and watery
- Most common on pumpkin and some winter squash
- More information on White Mold
3 of 4
Phytophthora Blight
Phytophthora capsici
- Infected fruit are covered with white fungal growth
- Infected fruit are soft, easily punctured and often collapse
- Fruit develop soft, water-soaked lesions which expand to large sections of the fruit
- Large irregular brown spots on leaves
- Stem and leaf petiole lesions are light to dark brown, water soaked and irregular
- The entire plant may collapse if root and crown rot occurs
- More information on Phytophthora Blight
4 of 4
Choanephora Rot
Choanephora cucurbitarum
- Blossom end of squash is soft, rotted and covered in fluffy purplish black fungal growth
- Flowers are covered with first white then purplish black fungal growth
- Occurs after wet weather
- Most common in squash
- More information on Choanephora Rot
