between 10-15 degrees F from the lights on period
to the lights off period will reduce the likelihood
of condensation and unwanted humidity spikes. By
controlling temperature variances, a grower automat-
ically has more control over humidity and, therefore,
can more effectively prevent pathogens. A general
rule of thumb is to maintain a humidity level of 55%
or under in an indoor garden or greenhouse.
BOTRYTIS (FRUIT OR FLOWER ROT)
Botrytis is a necrotrophic fungus that can affect
many different plant species. In horticulture, it is
commonly referred to as bud rot, fruit rot, fl ower rot,
or gray mold.
THE ORIGINAL TWO-PART,
PH BALANCED HYDROPONIC
BASE NUTRIENT.
•
•
•
•
Ensures maximum growth and flowering
Highly concentrated
pH balanced for increased yields
Over 20 years of outstanding results
IDENTIFICATION
Botrytis mainly affects tender tissues, such as fl ow-
ers, fruits, and seedlings, but can enter the plant’s
tissue through pruning scars or other distressed or
wounded tissue. Lower, shaded sections of a plant
are usually the fi rst to show signs of a botrytis infec-
tion. The fi rst sign shown by a plant with a botrytis
infection is a water-soaked, browned area. The dis-
tinctive browning is universal, regardless of the type
of plant affected. After the initial browning, a silvery-
gray fuzzy mat develops on or around the browned
tissue. In extreme cases, or in cases where high
July 2019
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