Orchid doctor

BENLATE: A Systemic Fungicide

Ailments Orchid Doctor

by Robert M. Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 3 years ago.

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(Benomyl) Benlate 50WP can be sprayed 3 times at two-week intervals to control most fungal diseases; thereafter monthly. A77-905

Has an LD50 of 9590 and is safe for many species; controls botrytis, leaf spot and some rots. A73-811

Tested for 18 months on many genera and species without adverse effect; nine fungus diseases (8 of them Cercospora) controlled; 1 ttpg. plus wetting agent applied three times at two-week intervals. A71-325

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Benlate Comments
BENLATE AND TRUBAN: Can They Be Mixed? Use 8 oz. Benlate and 4 to 6 oz. Truban per 100 gals water; both lose effectiveness if kept in water solution; Benlate is unstable in alkaline solution. A79-1112 see also Benomyl 0
BENLATE: Characteristics Controls Ring-spot fungus; spray four times weekly with 1 ttpg. plus spreader; it kills red spider eggs; not useful for soft spot on phalaenopsis nor black rot on cattleya rhizomes. F70-182 0
BENLATE: For Cut Flowers Advantages and disadvantages listed about equal; refer to F72-79+ 0
BENLATE: Frequency of Application Recommended Monthly, at most. A72-1100 0
BENLATE: Mixed with Truban The two are freely compatible; use lttpg. of Benlate and only ltpg. of Truban; both are expensive. A82-1178 -- used in small doses with each watering = it does no good to the plants because it must be used in effective dosage amounts as prescribed on the container, that is, l-l/2 tpg.; don't use it too aften as it is potentially harmful ; it is also expensive. RMH 0
BENLATE: On Paphiopedilums Caused production of infertile pollen. A79-898 0
BENLATE: Risk of Damage Safe to use on cymbidiums, cattleyas, dendrobiums, stanhopeas, phaius, rhynchostylis, vandas, ascocendas, phalaenopsis and Angraecum Veitchii. OR76-98 0
BENOMYL 50W (BENLATE): Wide Spectrum Fungicide Controls most orchid pathogens but not Phythium ultimum, Phytophora cactorum, or bacteria. AH15 0

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