Do need to deal with Phosphites this year?

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northeastlawn
Posts: 1259
Joined: June 1st, 2015, 3:10 pm
Location: S.E. Mass.
Grass Type: KBG
Lawn Size: 1000-3000
Level: Experienced

Do need to deal with Phosphites this year?

Post by northeastlawn » June 6th, 2018, 8:57 pm

I have always had a PR/KBG/FF mix, so my biggest issue was always PR fungus issues like rust and red thread. This is going to be my first year with an all KBG backyard, and its a new lawn to boot.

I started spraying serenade in May at 3oz every other week. I am also dropping a lot of BSF weekly. I have a small lawn about 1,500sf and haven't even been able to find Phosphites in small quantities, but have read going into June I maybe should start preventively spraying Phosphites.

I have no idea if I have had problems with Pythium before. I realize its early June and might be a little late for adding Companion or Phosphites, should I be proactively spraying anything other than Serenade at this point?

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andy10917
Posts: 29739
Joined: February 23rd, 2009, 10:48 pm
Location: NY (Lower Hudson Valley)
Grass Type: Emblem KBG (Front); Blueberry KBG Monostand (Back)
Lawn Size: 1 acre-2 acre
Level: Advanced

Re: Do need to deal with Phosphites this year?

Post by andy10917 » June 6th, 2018, 11:57 pm

If you don't know that Pythium is a challenge, I wouldn't search out Phosphites.

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