marijuana horticulture book

Ryania

Marijuana Horticulture

by Jorge Cervantes

Ingredients – This contact alkaloid stomach poison is made from stems and roots f the tropical shrub, Ryania speciosa.

Controls – Toxic to aphids, thrips, European corn borers, hemp borers, flea beetles, leaf rollers, and many caterpillars.

Caution – Somewhat toxic to beneficials and mammals!

Mixing – Follow directions on package.

Application – Follow directions on package. Apply as dust.

Persistence – Two weeks or longer.

Forms – Powder, wettable powder.

Toxicity – Toxic to mammals, birds, fish, and beneficials.

Safety – Wear a mask, gloves, and safety glasses, and cover exposed skin and hair. Avoid skin contact.

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