PHYSAN 20 - 8oz (236ml)

ORNAMENTAL PLANT APPLICATIONS PHYSAN 20™ is effective in controlling a wide variety of bacterial, viral, and fungal plant pathogens that can cause disease on many types of ornamental plants.

PHYSAN 20™ is one of the few general purpose disinfectant products which is EPA approved in all 50 states for use on hard surfaces and directly on plants! Specific instructions for applying PHYSAN on plants are noted below:

SPECIFIC PLANT APPLICATIONS

African Violets – See Saintpaulia

Aucuba, Dahlia, Fuchsia, Geranium, Gladiolus, Peony, Pieris - Botrytis, Downy Mildew, Gray Mold, and Rusts
Downy mildew primarily affects new growth with symptoms of soft decay of flowers, leaves or stems followed by a covering of downy gray mold. Control of the disease consists of quick removal of dead plant parts and application of PHYSAN 20 at the first signs of disease. For Botrytis, spray buds and blooms lightly 2 to 3 times a week using a fine mist. For Rust, apply at 7 -14 day intervals during wet periods starting in early Summer.
USE: 2 teaspoons of PHYSAN 20 concentrate in 1 gallon of water.

Begonias, Ferns and Gesneria (corytholoma, isoloma, allopiectus, episcia, trichosporum)- Bud Rot, Gray Mold, Leaf Spots, and Shoot Rot.
All phaUSE: 1 teaspoon of PHYSAN concentrate in 1 gallon of water.ses of culture. Remove all plant refuse or dead leaves. Garden cleanup is important in control. Spray PHYSAN 20 solution before the buds open. Then spray when blossom petals have fallen. Spray when 3/4 of the blossom petals have fallen. Spray again two weeks after petal fall.


Bulbs - Daffodil, Easter Lilies, Gladioli, Hyacinth, Iris, Narcissus, and Tulips
Pre-storage and pre-planting treatments: Treat the corms and bulbs immediately after they are “cleaned” and treat again immediately before planting by soaking them 10 minutes in PHYSAN 20 solution to control fusarium basal rot. Air dry.
USE: 1 tablespoon PHYSAN 20 concentrate in 1 gallon of water.

Cactus - Bacterial Leaf Spot, Root Rot and Top Rot
For rotting of underground parts by fungi and bacterial leaf spot or rot of the tops, sterilize seeds and disease-free cuttings by dipping in PHYSAN 20 solution for 5 minutes before planting. Spray at 10-14 day intervals.
USE: 2 tablespoons of PHYSAN 20 concentrate in 3 gallons of water.

Cactus - Slimy Collar Rot
Just before planting, dip entire plant in PHYSAN 20 solution.
USE: 2 teaspoons PHYSAN 20 concentrate in 1 gallon of water.

Calendulas, China Asters, Chrysanthemums, Crape Myrtle, Dahlias, Lilac, Live Oak - Powdery Mildew
Spray with PHYSAN 20 solution when symptoms appear. Spray upper and lower surface of leaves and branches with PHYSAN 20 solution until thoroughly wet. Spray when buds burst in Spring and repeat in 2 weeks. Spray with PHYSAN 20 solution every two weeks during mildew season. Also, spray Live Oaks at bud break and again in April.
USE: 2 tablespoons PHYSAN 20 concentrate in 3 gallons of water.

Carnations - Canker Rot, Carnation Rust, Crown Rot, Gray Mold Rot, Leaf Spots, Root Rot, and Stem Rot.
For Rust, completely immerse cuttings in PHYSAN 20 solution before planting. For Gray Mold, apply PHYSAN 20 solution 1-2 times just before bud bloom. Apply a light mist spray as the flowers are opening. Carefully collect and burn infected buds, blossoms, and stems.
USE: 2 teaspoons of PHYSAN 20 concentrate in 1 gallon of water.

Crassula, Kalanchoe, and Sedum - Crown Gall, Crown Rot, and Root Rot.
Destroy infected plants or plant parts and drench the remainder with PHYSAN 20 solution. Spray plants weekly to assure solution getting around and in the base of leaves.
USE: 2 teaspoons of PHYSAN 20 concentrate in 1 gallon of water.

Fuchsia, Gardenia, Geranium, Heliotrope - Bud Rot, Gray Mold and Stem Rot.
At the first sign of disease, pick off and burn infected leaves and blossoms; spray, mist, or fog weekly as needed.
USE: 2 teaspoons of PHYSAN 20 concentrate in 1 gallon of water.

Hawthorn (crataegus) - Leaf Blights
After a very wet Spring, small reddish brown spots appear on the upper surfaces of leaves. When spots are numerous, leaves drop. Make 3 spray applications: First, as soon as the leaves emerge from the buds; then when leaves are half grown; and again when fully grown.
USE: 2 tablespoons of PHYSAN 20 concentrate in 3 gallons of water.

Hawthorn, Hollyhock, Snapdragons - Rust
Spraying for protection should begin with the development of new leaves following Winter cleanup or dormancy. Spraying should begin before the onset of the rainy season. Be sure the undersides of infected leaves are covered by PHYSAN 20 spray solution. For hollyhocks, apply at weekly intervals. Start as soon as growth begins. Repeat applications in late Summer. For snapdragons, collect and burn the tops in the Fall. Avoid sprinkling the foliage while indoors. Apply PHYSAN 20 solution at 7-10 day intervals. Start when plants are set in the garden.
USE: 2 teaspoons of PHYSAN 20 concentrate in 1 gallon of water.

Iris - Botrytis, Crown Rot of Iris, Gray Mold and Rot on Rhizomatous Iris
Treat all new rhizomes before planting with PHYSAN 20 solution. Submerge rhizomes and 3 to 4 inches of leaves for 30 minutes. Plant at once (while still wet with PHYSAN 20 solution)
USE: 2 tablespoons of PHYSAN 20 concentrate in 3 gallons of water.

Iris - Botrytis Leaf Spots
Circular spots, yellowish, then light brown with red border. Spray weekly while plants are growing.
USE: 2 teaspoons PHYSAN 20 concentrate in 1 gallon of water.

Orchids - Adult Plants
Spray anytime disease other than rot (see below) is evident. Spray once per month as preventive maintenance. Soak compost when fungus is evident.
USE: 2 teaspoons PHYSAN 20 per gallon of water.

Orchids - Botrytis
During cool damp weather, spray plants, flowers and under benches at first sign of the spotting on flowers. Normally weekly spray will greatly reduce or eliminate the botrytis spotting.
USE: 1 teaspoon PHYSAN 20 per 3 gallons of water.

Orchids - Crown Rot - Phaelenopsis
Spray plants weekly to assure solution getting around and in base of leaves.
USE: 1 teaspoon PHYSAN 20 per gallon of water.

Orchids - Dividing Plants
Remove compost, then soak plant for 2-5 minutes in PHYSAN 20 solution. Operate with wet hands and cutting tools. After division and root trip, soak divisions in PHYSAN 20 solution 2-5 minutes. Pot in compost dampened with PHYSAN 20 solution.
USE: 1 Tablespoon PHYSAN 20 per gallon of water.

Orchids - Rot (such as Erwinia)
Remove compost from plant, then soak entire plant 10 minutes or more. Cut away all rot with treated tool. Soak plant wounds again for 10 minutes. Repot in PHYSAN 20 soaked compost.
USE: 1 Tablespoon PHYSAN 20 per gallon of water.

Palms - Heart Rot and Penicillium Leaf Base Rot
At the first sign of rot, completely fill cup, or "heart” formed by palm branches at top center of plant. Repeat every 7 days until controlled.
USE: 2 tablespoons PHYSAN 20 concentrate in 3 gallons of water.

Roses - Brown Canker
Use regular spraying. Application should begin in early Spring as soon as new growth starts and should be made often enough to provide protection throughout the rainy periods and to keep the new growth covered. On the average, an application once a week will be needed from early Spring until plants are dormant.
USE: 2 teaspoons of PHYSAN 20 concentrate in 1 gallon of water.

Roses - Black Spot, Powdery Mildew, Rusts and Stem Gall
Spray with PHYSAN 20 solution when symptoms appear. Spray upper and lower surface of leaves and branches with PHYSAN 20 solution until thoroughly wet. Spray with PHYSAN 20 solution several times, 7 to 10 days apart.
USE: 2 teaspoons of PHYSAN 20 concentrate in 1 gallon of water.

Rubber Plant - Anthracnose on Leaves and Stems, Crown Gall on Stems
At the first sign of disease, pick off and burn infected leaves, spray, mist or fog weekly with PHYSAN 20 solution as needed.
USE: 1 teaspoon of PHYSAN 20 concentrate in 1 gallon of water.

Saintpaulia (African Violets) - Bud Rot , Crown Rot, Downy Mildew, Gray Mold Rot (Botrytis), Powdery Mildew and Root Rot.
Dip plant and pot in PHYSAN 20 solution. Spraying is okay, but complete coverage of all surfaces is important. Spray every 10 days until controlled.
USE: 1 tablespoon PHYSAN 20 concentrate in 4 gallons of water.

Snapdragons - Anthracnose, Downy Mildew, Phyllosticta Blight, Powdery Mildew, Rusts, Stem Rot, and Wilts.
Spray with PHYSAN 20 solution when symptoms appear. Spray upper and lower sides of leaves until thoroughly wet, every 7-10 days. Collect and burn the tops in the Fall.
USE: 2 teaspoons of PHYSAN 20 concentrate in 1 gallon of water.