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Pine Tree Diseases - Symptoms & Control

Pine Tree Diseases



Cyclaneusma Needlecast

  • Symptoms

    • Needles on Pines yellow and have dark-brown bands from September through December, the year after infection, or from April through June, 2 years after infection. The brown bars become filled with a tan fungal fruiting structure, which opens wide under very moist conditions.
  • Management

    • Space plants and control weeds to ensure good air circulation around the tree. Apply chlorothalonil first in mid-March, mid-June, mid-August & mid-October, to protect the needles. The needles can be attacked any time the temperature is above 32°F and water is on the needle. 



Sphaeropsis Tip Blight

  • Symptoms

    • Shoot tips are attacked in the Spring and a canker forms at the base of the new shoot. Resin oozes from the canker. This often occurs on scattered branches low on the tree at first. Close examination of the dead and dying tips reveals that the tissue was killed before the needles reached full size. Lower branches are killed in succeeding years. Old cones and dead needles persist on the tree and have small, dark-brown to black, pimple-like fruiting structures peppering their surface.
  • Management

    • Remove infected twigs to reduce the amount of fungus in the tree. Apply ZeroTol Fungicide as the buds swell in the Spring and repeat application until the needles reach full size. ZeroTol Fungicide is a ready to use spray that is made with all natural ingredients, which means it is safe for children and pets. Remember, a green brain is better! Buy ZeroTol Now! 



Ploioderma Needlecast

  • Symptoms

    • From March through May the year following infection, red-brown spots develop on needles. Tips of needles girdled by spots die while needle bases remain green and needles remain attached to twigs. Black fungal fruiting structures that look like lines in the dead area of the needle form. Needles are cast in May through June the year after infection.
  • Management

    • Space plants and control weeds to ensure good air circulation around the tree. Apply chlorothalonil or mancozeb three times at 3-week intervals beginning in late May.

 

Lophodermium Needlecast

  • Symptoms

    • From March through may the year following infection, needles on lower branches turn completely brown and fall. Black fungal fruiting structures that look like lines in the dead area of the needle form on the cast needles.
  • Management

    • Space plants and control weeds to ensure good air circulation around the tree. Apply chlorothalonil, or mancozeb three times beginning in mid-July and at 3-week intervals. However, if early Summer is warm, begin in mid-June.


 

Needle Rust

  • Symptoms

    • Infection of needles occurs in early fall. White fruiting structures emerge through the surface of needles in late Spring. Heavily infected needles die and drop. Less heavily infected needles may produce fruiting structures again the following Spring
  • Management

    • ZeroTol Fungicide is a ready to use spray that provides immediate disease control for rust on Pine Trees. It can be used as a preventative or curative application. ZeroTol Ready to Spray leaves no chemical residues behind, making it the natural choice for use around children and pets. Buy Now! 


 

Pine-Pine Gall Rust

  • Symptoms

    • Two and three needled Pines develop small, cream colored, bag-like pustules on the needles. These rupture and release orange spores that blow to and infect goldenrod and asters where the fungus overwinters. Pines are infected the following Summer by spores from Asters and Goldenrod.
  • Management

    • ZeroTol Fungicide / Bactericide is a ready to use spray that provides immediate disease control for Rust on Pine Trees. It leaves no chemical residue behind, which makes it the natural choice for use around pets and children. Buy Now! 


 

Pine-Oak Gall Rust

  • Symptoms

    • Many round galls form on the branches and enlarge up to several inches in diameter. Approximately 15 months after infection, masses of yellow spores erupt from the galls and infect new Pine Shoots.
  • Management

    •  Inspect plants very carefully and prune all galls. Inspect all newly purchased seedlings carefully for galls. Destroy infected seedlings. Apply mancozeb as new needles emerge and again 2 weeks later.

 



 

Root Rot

  • Symptoms

    • Root rot is caused by fungus infecting damp soil around the base of a tree that spread down through water in the soil to the root system. The wet soil is a perfect growing condition for fungal spores. Infected roots are reddish brown and brittle. Sever damage to the root system greatly reduces the uptake of water and nutrients resulting in low plant vigor and general plant wilting, dieback and death.
  • Management

    • Remove infected trees and do not replace with the same species. Spray ZeroTol Fungicide as a preventative measure to anything you plant around this area in the future. This all natural fungicide is safe for pets and childrenBuy Now!  


 

White Pine Blister Rust

  • Symptoms

    • A few galls, which may swell to 10 inches in diameter, form on two-and three-needled pines. Masses of yellow-orange spores erupt from the galls about a year after infection and blow to Red Oaks. Small areas of yellow-orange spores develop on the underside of Oak leaves in the Summer. These spores reinfect the Oak. Small, brown, hair-like fungal structures where he fungus overwinters, develop on the underside of oak leaves late in the growing season.
  • Management

    • Inspect plants very carefully and prune all galls. Inspect all newly purchased seedlings carefully for galls. ZeroTol Fungicide is a ready to use spray that provides immediate disease control for rust on Pine Trees. It leaves no chemical residue behind, which makes it the natural choice for use around pets and children. Buy Now!  














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