Pest & Disease Pitch canker

Pitch canker

Fusarium circinatum

What is Pitch canker (Fusarium circinatum)?

Pitch canker, caused by Fusarium circinatum, is a destructive disease affecting worldwide pine species. Insects, including engraver beetles, twig beetles, cone beetles, and deathwatch beetles, act as primary vectors for this fungal pathogen. It has been reported in various countries, including the US, Mexico, Chile, and European nations like France, Italy, Spain, and Portugal. Infected plants display resinous cankers, tip dieback, yellowing and browning needles, and resin-soaked bark. The disease thrives in mild coastal climates with fog, providing the required moisture for infection.

How does Pitch canker (Fusarium circinatum) occur?

Pitch canker reproduces through spores produced by the fungus Fusarium circinatum. The spores are dispersed through wind, rain, insects, and human activities such as movement of infected plant material. The disease can be introduced to new areas through infected nursery stock or contaminated equipment. Infection occurs when the spores land on susceptible pine trees and penetrate their tissues through wounds or natural openings. Once inside the tree, the fungus grows and reproduces, causing cankers and damaging the tree's vascular system, leading to wilting, dieback, and potential tree death.

Symptoms

1 - Plants Health

• Extensive death of pine species, resulting in ecological and economic losses. • Stunted growth and diminished vigor of infected trees, impacting forest productivity. • Lowered quality of timber from infected trees, affecting forestry industries.

2 - Impact on Soil

• Disrupted nutrient cycling processes due to dead trees. • Influences on soil microbial communities, affecting soil health and function.

3 - Impact on the Environment

• Disruption of ecological communities, affecting biodiversity and ecosystem functioning. • Changes in forest structure, impacting wildlife habitat and ecosystem dynamics. • Reduced carbon sequestration capacity due to tree mortality, potentially affecting climate regulation.

Solutions

1 - Prevention and Early Detection

• Use disease-free plant material from reputable sources. • Implement sanitation practices and quarantine measures. • Promote tree health through proper cultural practices. • Regularly monitor trees for symptoms and report suspected cases.

2 - Management Practices

• Prune and remove infected branches to limit disease spread. • Thin or remove heavily infected trees to reduce disease pressure. • Explore the use of biological control agents for suppression. • Consult with local agricultural or forestry authorities for specific recommendations. • Stay updated on the latest research and best practices for pitch canker management.

3 - Chemical control

• There are several fungicides available for managing pitch canker, including thiophanate-methyl, propiconazole, azoxystrobin, copper-based fungicides, and triadimefon. • It's important to note that the use of fungicides should be in accordance with local regulations and label instructions.

Susceptible Species

Alpine Fir

Nishiki Gawa Japanese Maple*

Monkey Puzzle Tree

pineapple guava

African fern pine

spineless jade agave

Philippine evergreen

pineapple

pineapple

variegated pineapple

New Caledonian pine

Norfolk Island pine

Philippine violet

cow's tail pine

pineapple broom

pineapple lily

pineapple lily

pineapple lily

pineapple lily

pineberry

Chinese water-pine

alpine candytuft

lupine

lupine

screw pine

screw pine

pinellia

pinellia

jack pine

jack pine

Swiss stone pine

Swiss stone pine

Swiss stone pine

Swiss stone pine

beach pine

Japanese red pine

Japanese red pine

Japanese red pine

Japanese red pine

Japanese red pine

Japanese red pine

short-leaf pine

Hainan white pine

limber pine

limber pine

Bosnian pine

Jeffrey's pine

Korean pine

Montezuma pine

mugo pine

dwarf mountain pine

mugo pine

mugo pine

dwarf mountain pine

dwarf mountain pine

dwarf mountain pine

dwarf mountain pine

Austrian pine

Austrian pine

Austrian pine

Japanese white pine

Japanese white pine

Japanese white pine

Japanese white pine

Japanese white pine

Japanese white pine

Japanese white pine

stone pine

ponderosa pine

dwarf Siberian pine

dwarf Siberian pine

dwarf Siberian pine

red pine

southwestern white pine

eastern white pine

eastern white pine

eastern white pine

eastern white pine

eastern white pine

eastern white pine

eastern white pine

eastern white pine

eastern white pine

eastern white pine

eastern white pine

eastern white pine

Scotch pine

Scotch pine

golden Scotch pine

Scotch pine

Scotch pine

Scotch pine

Scotch pine

Scotch pine

Scotch pine

Scotch pine

Scotch pine

Scotch pine

Scotch pine

Chinese pine

Chinese red pine

loblolly pine

Japanese black pine

Japanese black pine

Japanese black pine

Japanese black pine

Japanese black pine

Virginia pine

Himalayan pine

yew plum pine

Alpine currant

Alpine currant

shrub rose

pineapple sage

pineapple sage

umbrella pine

Alpine skullcap

Carolina lupine

wollemi pine

Spineless yucca

atlas broom

alpine aster

alpine betony

alpine clematis

lupine

pineapple weed

bristlecone pine

Vanderwolf's pyramid pine

dwarf eastern white pine

Scots pine (cultivars)

Alpine Foxtail

Alpine Anemone

Alpine Pussytoes

Alpine Sweetgrass

Alpine Sweetgrass

Pine Broomrape

Alpine Bearberry

Alpine Arnica

Rydberg's Arnica

Alpine Wormwood

Dwarf Alpine Hawksbeard

Alpine Aster

Alpine Milkvetch

Alpine Milkvetch

Alpine Milk Vetch

American Alpine Lady Fern

Downy Alpine Oatgrass

Velvetbells

Alpine Bistort

Pine Rockcress

Low Northern Braya

Pine Grass

Alpine Bitter Cress

Scorched Alpine Sedge

Alpine Sedge

Porcupine Sedge

Black Alpine Sedge

Loose Flowered Sedge

Clubmoss Mountain Heather

Long Spine Sandbur

Alpine Mouse Ear Chickweed

Alpine Chickweed

Alpine Chickweed

Prickly Hornwort

Alpine Pincushion

Alpine Dustymaiden

Spotted Wintergreen

Common Wintergreen

Pinecone Bromeliad

African Fern Pine

Pineapple

Golden Sugar Apple

Monkey Puzzle Tree

Monkey Puzzle

Pineapple Broom

Philippine Violet

White Philippine violet

Striped Philippine violet

Hophead Philippine Violet

Porcupine Flower

Mango Pine

Slender Pinepink

Australian Pine

Chinese Plum Yew

Palmilla

Rootspine Palm

Lago Yojoa Palm

Pineapple Orchid

Katmon

Pineapple Lily

Pineapple Lily

Pineapple Lily

Feijoa

Happiness Tree

Pineapple Zamia

Catesby's Lily

Mouse's Pineapple

Umbrella tree

Screw Pine

Screw Pine

Screw Pine

Dwarf Variegated Screw Pine

Pineleaf Penstemon

Dwarf Sand Pine

Longleaf Pine

Pine

Plum Pine

Buddhist Pine

Pineapple Sage

Pineapple Cactus

Porcupine tomato

Paper Spine Cactus

Philippine Almond

Wollemi Pine

Pine Cone Ginger

Screw Pine

Pineapple Guava

Spineless Hardy Prickly Pear

Pinyon Pine

Aleppo Pine

Loblolly Pine

FAQ

Do shade growing plants need any Sunlight?

Shade growing plants do need sunlight, although they require less than other plants. They need some direct sunlight each morning to help them photosynthesize and grow properly. Also, indirect sunlight throughout the day helps them stay healthy. Shade growing plants will benefit from the sunshine, but if they get too much or too little, then they can suffer the consequences. It's important to pay attention to the needs of your plants so that you can provide them with the proper light for optimal growth.

How often should you water indoor plants?

Indoor plants should be watered when the soil feels dry to a depth of about two inches, usually about once a week. A helpful technique to determine your plants' watering needs is to feel the soil before and after watering to get a sense of how long it takes to dry out. An important note to remember is that some plants require less water than others, and it's best to research the specific needs of your individual plants. Likewise, if your home is very dry, you might need to water more often as the lack of moisture can stress the plants and lead to problems like brown leaves and wilted stems.

Can my monstera plant get root rot?

Yes, a plant can get root rot. Root rot is a fungal disease that can be caused by over-watering, poor soil drainage, or high humidity levels in the air. Signs of root rot include yellowing leaves, wilting and stunted growth, and damaged or browning root systems. Sometimes it is difficult to detect root rot until the plant is removed from the soil, as the problems are mainly below the soil surface. Treating root rot usually involves removing the affected parts of the plant and replanting the unaffected ones.

Can I put my Monstera outside in summer?

No, you should not put your Monstera outside in summer. Monstera plants need warm, humid air to thrive, and direct sunlight can scorch their leaves. Instead, put your Monstera in a bright, sunny spot with indirect light, making sure the sun never directly hits the leaves. During the summer, keep your Monstera's soil damp and mist it occasionally to keep the leaves hydrated. At nighttime, keep the temperature around 16 - 21°C (60 - 70°F). You can definitely take your Monstera outdoors for short periods of time, just make sure to bring it back in if it starts to get too hot.

What happens if my monstera plant gets too cold?

If your monstera plant gets too cold, it will become vulnerable to pests, disease, or other damage. Cold temperatures can damage the leaves of the plant, causing them to become spotted or limp. The roots of monstera plants may also suffer in cold temperatures, leading to root rot or other diseases. Belonging to the tropical family, monsteras are used to warm environments and do not do well in cold temperatures, so it is important to ensure your plant is kept in conditions that suit their needs.

Is it possible to grow a vegetable garden in a small space?

Yes, it is possible to grow a vegetable garden in a small space. Gardening in a small space can be as simple as growing a few containerized plants in pots and raised beds, or as elaborate as vertically stacking planters, hanging pouches, and hanging baskets on a wall, railing, or fence. Regardless of the size of the space you are working with, some simple techniques such as companion planting, organic fertilizers, and water conservation can help you get the most out of your small vegetable garden.

Is peppermint herb green good for digestion?

Peppermint herb is indeed beneficial for digestion. The flavonoids in the herb support digestion by reducing inflammation in the digestive track, aiding in digestion and relieving indigestion, heartburn, and even the symptoms of irritable bowel syndrome. Additionally, peppermint is naturally rich in menthol, which helps to relax the muscles of the stomach, aiding in the digestion of food. Peppermint herb can be consumed in a variety of forms, such as teas, tinctures and capsules, as well as by adding the herb to food or directly to water or tea.

Should peppermint herb green be consumed daily?

No, peppermint herb green should not be consumed daily. This is because it contains high levels of menthol, which can be toxic if taken in large doses. Additionally, consuming large amounts of peppermint herb green could interfere with the absorption of essential minerals and vitamins, potentially causing vitamin deficiencies. For these reasons, it is best to consult with a doctor before incorporating peppermint herb green into your daily diet.