Unlocking the Science

How to Reverse Male Cannabis Plants

Can Male Cannabis Plants Be Reversed?


Absolutely! In the world of breeding hackers, nothing’s impossible.


With our Ethephon exploit, we unlock the power of ethylene, that plant hormone key to switching up cannabis sexual development.

This technique doesn’t just let us play with sex expression; it takes us deep into the unexplored depths of the cannabis genome.

By applying Ethephon to a male plant, we’re not just bending the rules, we’re rewriting them. Let’s go beyond the usual XX female flowers in reversals.

Open your mind to the full spectrum: XX, XY, and maybe even the mysterious SuperMale YY all from a single plant.

SuperMale

The hack
The Science of Sexual plasticity in Cannabis Breeding


Mutant XY female flowers with 5 pistils.

Resin production comparable to female plants, ideal for advanced phenotype hunting.

Self-pollinated seeds in both XX and XY formats, as the original male flowers are XY and the new mutant female flowers also exhibit XY genetics.

The intriguing possibility of discovering a SuperMale YY.

This approach transforms a single high-quality male into the cornerstone of a full line of regular plants, enabling multiple rounds of selection and redefinition based on that original male’s genes.

Today, an exceptional male is worth more than ever.


Materials List

The materials needed for sex reversal are basic and accessible, all available for purchase online.

It’s important to remember that flowers treated with Ethephon should be used exclusively for breeding, not for consumption. However, flowers grown from seeds of the hacked plant can be consumed safely.

We’ll use a minimal amount—just 1 ml is enough to treat multiple plants.
Ethephon is a widely used product in agriculture for fruit ripening and is readily available through online retailers.

Any basic sprayer with a capacity of ½ liter or more will work perfectly.

We'll use 1 liter of water—tap water works just fine.

A small syringe or a graduated pipette that measures as precisely as 0.05 ml is recommended for accurate dosing.

To protect your skin while handling Ethephon.

How It Works

When Ethephon is sprayed on a plant, it gradually breaks down upon contact with the plant's acidic tissues, releasing ethylene, a natural gaseous hormone. This ethylene is absorbed by the plant’s cells and acts as a signal for various processes, including sex modulation in dioecious plants like cannabis.

Ethylene's ability to induce varied responses depends on its concentration and the type of tissue it’s applied to.

In the context of sex determination in cannabis, ethylene and its regulation are fundamental.

With high ethylene levels promoted by Ethephon, plants can develop female-like flowers even in male genotypes, encouraging mutant female flowers and facilitating self-pollination.

Conversely, silver thiosulfate (STS) blocks ethylene action by inhibiting its signaling, encouraging the development of male traits in female plants. This process leads to the formation of male flowers on female plants—a common technique used to create feminized plants by blocking ethylene.

Ethylene modulates the expression of specific genes related to flower feminization.

In dioecious plants like cannabis, treatments with ethylene or ethylene-releasing compounds can promote female flower appearance in male plants. This occurs due to genetic pathway regulation in the Yang cycle involved in ethylene production and signaling.

In reversal, ethylene promotes female stigma formation in male flowers, creating a male plant that can self-pollinate and produce feminized seeds.

How to Do It

Ethephon Application Protocol
This protocol is designed to apply a low dose (0.05 ml) and observe the initial effect before adjusting the dosage.

Solution Preparation

In the sprayer, mix 0.05 ml of Ethephon with 1 liter of water. This low concentration allows observation of the effect without overwhelming the plant.

Solution Application

Use gloves to protect your hands.
Spray the solution evenly on the male plant flowers, ensuring all flowering areas are covered.
Apply the solution every 5 days for about 2 to 3 weeks.
Observe the flower response, and if needed, adjust the dosage in the next application.

MALE PLANTS HACK


Tracking Progress and Results

Record any changes in flower development in our application, especially any stigma or female trait development.

Take photos to document each stage to analyze the effects of the dosage used.

REPORTING TUTORIAL

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SuperMale