Pollination under artificial lights

Navigating Energy Efficiency, Greenhouse Lighting & Pollination Success

Artificially lit crops pollination advice

artificial lighting but may struggle to orient themselves and return to the hives in an environment solely illuminated by artificial lights. Grow light impact [...] n Using grow lights, especially during winter to extend daytime for plants, can lead to issues for bumblebees. Grow lights emit the light spectrum relevant [...] turn off grow lights well before sunset to encourage their return to the hive. LED lights and pollination Based on experiences with LED lights in Dutch g

Natupol Excel

and sugar water. Downloads Bumblebee stings Checklist growing lights Manual growing lights Pollination checklist Tomato Plant Pollinator interactions in [...] flowers per m² (35-60 flowers) per week, and for crops grown under artificial light or in warmer environments. Crops Crops with >35 flowers/m 2 /week, such as [...] Bumblebee stings Pollination Checklist Outdoor Pollination checklist Growing lights Pollination Checklist Tomato Plant Pollinator interactions in high temperatures

Angular leaf spot

look when using different light sources: when reflected light is used, the lesions look dark green, but when transmitted light is used, they are translucent

Tomato moth

bordered at the top by a narrow gray stripe. Older larvae may vary from light green to light brown, or even a reddish colour with three dark grey dorsal stripes [...] adult tomato moths (Lacanobia oleracea) are a reddish-brown with a feint light brown, kidney-shaped marking, and a thin, toothed white line along the posterior [...] arranged in layers. The eggs are greenish at first, but gradually change to a light yellow or almost white. There are six larval stages. The head is a pale green

Pollination checklist Growing lights

Pollination checklist Placement High & horizonal Growing lights in tomato crops Light timetable Points of attention 19:00 Snow 18:00 Place hives [...] pollination, bumblebees need at least 28 Watt/m2 PAR light near the hive and the presence of Ultraviolet light. Automatic opening systems Automatic Opening Systems [...] plant rows longer than 100 meters. 01:00 Flowers open 1 hour after the lights are turned on 02:00 00:00 Daylight From week 47 until week 52 introduce

Manual Growing lights

time, when (UV)light levels are already low, growing lights (SON-T) are often used. These lights spread a lot of light in the yellow/red light spectrum, which [...] but do not see in the red light spectrum. Conversely, humans do see in the red light spectrum but also in the green and blue light spectrum (see figure 1 [...] Natupol Excel hive. 4 2 Placement of hives when using growing lights When using growing lights, we advise to place the hives high in the greenhouse (above

Bacterial spot

(underside of) leaf surfaces and may enlarge into dark brown lesions with a light brown centre. As with powdery mildew infection, pepper plants shed the leaves [...] expansion. On the stems, long, narrow cankers appear, which become rough and light brown. On fruits the spots are first small, circular and green but they turn

Glume blotch

itself as brown, elongated lesions with a light halo on leaves, stems and glumes. In the centre of the lesions, light-coloured translucent pycnidia (fruiting