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pollination

Pumpkin Fields: The Good and Bad News This Season

September 17, 2021kgyoung

Jerry Brust, IPM Vegetable Specialist, University of Maryland, jbrust@umd.edu After visiting pumpkin fields over the last few weeks it seems that in some of the fields there could be a reduction in yields of around 15-30%. I reached this very… Continue Reading →

Vegetable Crops 29:26, heat stress, pollination, pumpkin

July Temperatures and Corn Pollination

July 16, 2021kgyoung

Jarrod O. Miller, Extension Agronomist, jarrod@udel.edu   According to data from the last two years, silking and pollination (R1) has occurred between 1320 and 1594 growing degree days, while VT (tasseling) occurs between 1200-1300 (Table 1). In many of our… Continue Reading →

Agronomic Crops 29:17, field corn, pollination, weather

Pollination in Watermelons

May 14, 2021kgyoung

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Honeybees A female watermelon flower will need around 500-1000 pollen grains to be fertilized effectively. This will require a minimum of 8 visits by a honeybee for seeded watermelons. In seedless watermelon… Continue Reading →

Vegetable Crops 29:8, bumble bee, honeybee, pollination, pollinators, watermelon

Strawberry and Blueberry Pollination

April 30, 2021kgyoung

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Strawberry Strawberries are aggregate fruits. They have multiple ovules per receptacle where the fruit is formed. The strawberry receptacle may have up to 500 ovules per berry. You will see these as… Continue Reading →

Fruit Crops 29:6, blueberry, bumble bee, honeybee, pollination, pollinators, strawberry

Problems with Pollination in High Tunnel Tomatoes

July 2, 2020Emmalea Garver Ernest

Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu Over the last month I have received reports from high tunnel (HT) growers that were seeing flower abscission due to poor pollination in their tomatoes (Fig. 1). Some of these reports… Continue Reading →

Vegetable Crops 28:16, abiotic stress, cold damage, heat stress, high tunnel, pollination, pollinators, tomato

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