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bud rot

Today, let’s talk about the topic of Bud Rot, what cause the Bud Rot and how to prevent Bud Rot. Cannabis grow is an extensive process that requires farmers to overlook several steps before the final product is ready for sale. With so much time, money, and labor spent to grow healthy crops, it can be devastating to find bud rot in your plants.

What does Bud Rot look like

Worried about bud rot ruining your cannabis yield yet again this year? Read this passage to understand what cause the bud rot, and all the factors to consider in order to prevent bud rot for your crops safe and healthy.

Bud rot, also called Botrytis or mold, can be challenging to detect in its early stages. Soon enough, it will start to proliferate and spread out to the rest of your plants, ruining the buds and damaging your entire yield.

Most large-scale weed farmers set aside a certain percentage of loss per yield due to bud rot. They believe it to be an unpreventable part of growing weed. However, you don’t have to be one of them. By nipping bud mold in the bud, you can not only stop it from spreading to your crops but also possibly reverse the damage. This will save your yield and ensure your months of hard work don’t get wasted away.

Today, we will discuss everything you should know about bud rot to help you detect it in the early stages. This article also covers how Botrytis cinerea affects different strains in various ways, followed by all the factors you need to consider to save your yield.

What is bud Rot?

Before we go over the technical stuff, we first need to understand what bud rot is. Only then will you succeed in battling out and preventing them to keep your yield healthy.

Bud rot, or bud mold, is a botanical fungal disease common in cool, humid climates. It comes from a fungus known as Botrytis cinerea, which rots your buds from the inside out. The rotting starts from the stem inside the buds, so detection in the early stages is quite tricky.

How did bud rot appear?

Bud rot isn’t specific to any particular geographic locations. Moreover, it can attack cannabis plants at any stage of life, making it quite risky for your overall yield’s health.

For bud rot to occur, gray mold needs to make contact with your plants first. It may seem like an unlikely occurrence, but the dusty spores of the mold are quite easily transported, reaching your plants through air or water.

Once the spores get to your yield, they form a wound or tear in the external tissue and enter the buds. The Botrytis cinerea then continues to break down the surrounding bud and spread out to other areas of the plant.

What did bud rot do with your crops?

Bud rot spreads quickly and dangerously. As it starts to spread, the Botrytis cinerea will attack your plant’s stem, making it first turn white and wispy, and then become a pale grey color and turn into slimy mass. The stems start losing their rigidness and can no longer stand straight. The infection will keep progressing, and you will notice your plants lose their color and start looking wilted and yellow with burnt leaves. This is because the fungus is smothering your plant and inhibiting chlorophyll production.

Bud rot
Bud rot

Once it’s done with the stems, Botrytis cinerea will make its way to the female marijuana plant’s moist buds. The leaves will wither into a brown shade, and the pistils will soon follow. Eventually, the buds will be covered entirely in the gray mycelium, turning them into a gray-brown slime. Remember that bud rot will attack your plant in different ways. It might just attack the biggest and fattest buds first, or it could form mold spots all over your marijuana plant. Additionally, you might be able to observe the cola turning into a darker color and getting dried out.

Keep in mind that you will need to cut down your entire plant if the infection becomes widespread. Therefore, it is crucial for you to act quickly to prevent bud rot from destroying your entire harvest.

What cause bud rot?

Now that we understand what cause bud rot essentially is, let’s consider all the reasons why your plants could be suffering from it. This mold can be a result of moisture buildup, so if you’ve experienced heavy rainfall or high humidity, these are the most common culprits.

Below, we have summarized some major factors that could be promoting bud rot in your cannabis plants;

Cool temperatures.
Poorly ventilated greenhouse.
Extremely dense foliage.
Fat or dense buds.
High levels of relative humidity.
Weak immune system in the harvest.

Remember to Consider Different Strains

Another critical component to consider is the strain of your plant. Some plants are more susceptible to developing bud rot than others. Therefore, it is best to avoid planting those strains and instead opt for a mold-resistant cannabis plant. It will allow you to maximize profits from your yield and ensure a healthy harvest all year round.

We have compiled a list of various mold-resistant plants, categorized by indoor and outdoor strains, which you can look into for your subsequent yield.

Outdoor Strains

Holland’s Hope

Best to harvest in mid-September up to early October.

Jamaican Pearl

Should be harvested before its trichomes turn amber-colored.

Frisian Dew

Best in Northern climates that offer plenty of sunshine with cooler temperatures at night.

Indoor Strains

Sweet Tooth

The Hawaiian roots give it excellent mold-resistant properties.

Moby Dick

Easy to grow with a bountiful yield.

Important Note

Before picking out a strain to grow, be sure to consider all of its requirements. These will help you create the perfect environment for optimal growth and plays a vital role in preventing bud rot.

Important Note – Before picking out a strain to grow, be sure to consider all of its requirements. These will help you create the perfect environment for optimal growth and plays a vital role in preventing bud rot.

How to prevent bud rot

How to stop bud rot? It is a common tactic to spray fungicides at the flowering stage of your plant. Weed farmers are also known to use Neem oil or sulfur on affected buds. But the fact is, these practices do more damage than good.

Fungicides or oils have zero effect on bud rot. All they do is make your yield look, smell and taste horrible. Every grower needs to know that fungicides can only be used as preventative measures before the buds have formed.

With bud rot, early detection can make all the difference for your cannabis plants. You should check your plants every day and perform a thorough assessment. Look between all the cracks and any crevices of suspect buds to find out if it have bud mold.

How to Control bud rot?

If the core is displaying the signs we mentioned above, isolate it by cutting it out and quarantine that area of your grow room. Sample and investigate all other plants nearby to determine if the Botrytis cinerea has had time to spread out.

Sometimes, a plant mold on bud will have grey-colored webbing or white, dusty spores. These spores can spread and travel to infect the rest of your plants too. Try to be vigilant when handling plants with bud rot by changing your clothes and wearing protective gear when moving from one grow room to the next.

If your plants are already victim to bud rot, it is best to cut your losses and take down that part of the plant. Hopefully, you should be able to salvage the rest of your crop. Cut down the infected part using trimmers and store it in a sealed container to prevent any spores from accidentally spreading. Dispose of this container and sanitize all gardening equipment used as well as your clothes. Before concluding your bud rot removal, do conduct a thorough assessment of the whole plant to ensure all the affected areas are removed quickly.

Moreover, it would help if you didn’t think your plants are safe from bud rot after harvesting your buds. They can still catch the spores and become moldy. Therefore, you need to be extra careful and ensure your buds don’t come in contact with the fungal spores. Make sure to leave space between hanging branches as your buds dry out or create an optimal environment for the drying process. You can even try out various speed-drying techniques to limit the time that your buds spend in conditions that could promote Botrytis cinerea.

Prevent Bud Rot: Start With Humidity Control

We have gone over what is bud rot, factors that cause it, and prevention control. Now, we will discuss the best ways to stop bud rot from damaging your crops in the first place.

Inspect the Humidity Levels for Your Grow Room

The most important thing you need to do is carefully monitor the humidity levels in your grow room. Humidity should always be kept at a relative humidity (RH) of 40% to 50% to prevent bud rot. Since Botrytis rarely exists in dry conditions, you should invest in an effective grow room hvac or dehumidifier to keep your crops healthy.

Let Your Air Circulate

Adequate air circulation will ensure your plants get cool, fresh air to breathe. It also reduces the chances of fungal spores existing in the air and settling on your crop. Creating good air circulation pathways in your grow room is a must-do for preventing bud rot.

A helpful tip for better air circulation to your plants is removing some of the lower leaves from your bushy plants. This will promote airflow underneath the canopy. You can also set up an oscillating fan or install proper air filtration systems for indoor grow rooms and greenhouses. Try to seal off any entry points from which unfiltered air can reach your plants. This includes under the doors and in any cracks on the window seals.

Determine the Dehumidification Size

Picking out the right dehumidifier will play an essential role in stopping bud rot. Your dehumidification size should be determined by how much moisture removal your grow room requires. Start by taking out an average reading of your humidity levels for a week, and then calculate how much moisture removal you need.

Your dehumidifier device capacity is usually measured in pints of moisture removal per 24-hours. Use this as a standard metric to pick out the right dehumidification size for your grow room.

At the end

Bud rot is often considered an inevitable phenomenon, a yield loss that every weed grower has to face. But, you can stop your plants from suffering the same fate. By growing the right strains of cannabis in the right environment, maintaining the relative humidity, ensuring sufficient airflow, and investing in a dehumidifier, you will be successful in preventing bud rot.

For further assistance on maintaining the correct humidity levels for your crop growth, reach out to our dehumidification system experts today.

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