Laurence from Lansing, Illinois writes
Can the Bonide Captan Fungicide control apple scab on crab apple trees?
My 25 year old crab apple tree has a serious case of apple scab. Can your product help?
Answer:
Yes the Bonide Captan will control scab on apples. Here are the insructions per the Product Lable on how to treat for scab on your crab apples.
Primary scab, black rot (frogeye), botrytis blossom-
end-rot
– Use 1½ Tbs. per gal. of water. Apply in
prebloom, bloom, petal fall and first cover sprays at 10
to 14 day intervals.
Brooks fruit spot, sooty blotch, fly
speck, black rot, black pox, botryosphaeria rot, bitter
rot
– Use 1½ Tbs. per gal. of water. Apply in second
and late cover sprays at 10 to 14 day intervals. May be
applied up to harvest.
Note:
Do not apply this product
with or closely following, or in alternation with wettable
sulfur products on sulfur-sensitive varieties of apples
such as Baldwin, King, Red Delicious, Staymen, etc.
as severe injury and defoliation may occur.
Answer last updated on: 08/09/2013
