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How to Sexify Cannabis Plants

January 29, 2024 by admin Category: How To

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If you want to grow cannabis plants for medical purposes, you need to learn how to distinguish between male and female cannabis plants. Most growers prefer female cannabis plants because only female plants produce many medically valuable flowers. Male cannabis plants have a lower quality and THC content compared to female plants, and are grown primarily for their seeds.

Table of Contents

  • Steps
    • Identifying male cannabis plants
    • Identify female cannabis plants
  • Advice

Steps

Identifying male cannabis plants

Image titled Identify Female and Male Marijuana Plants Step 1

Image titled Identify Female and Male Marijuana Plants Step 1

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Male plants have thick, stiff stems and fewer leaves. Compared to female plants of the same species, male cannabis plants have thicker stems. That’s because the male plant is taller than the female plant, so it needs a thick trunk to support the weight of the tree. Male plants also have fewer leaves than female plants. [1] X Research Source
Image titled Identify Female and Male Marijuana Plants Step 2

Image titled Identify Female and Male Marijuana Plants Step 2

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Regularly check plants from July to September for sex discrimination. If you let male plants pollinate, they will greatly reduce the yield of female plants. Because after pollination, the female plant will focus on raising seeds instead of producing THC, leading to a decrease in yield. If you are growing indoor plants and tend to them regularly, this check is easy to do.

  • You need to examine each plant to determine its sex, as just missing one male plant can ruin the whole harvest.
  • In general, male plants show sex before female plants are 7-10 days old (indoors) or 3 weeks old (outdoors).
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Image titled Identify Female and Male Marijuana Plants Step 3

Image titled Identify Female and Male Marijuana Plants Step 3

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Look for male flowers in the axils on the stems. The small round seeds that grow on the axillary of the stem (where the branches meet the main stem) are indicative of a male plant. Male flowers release pollen and need to be removed for a better harvest. [2] X Research Source

  • If you want to create new varieties or propagate, do not touch those round seeds.
  • Female plants also have these round seeds, but the seeds also have long, milky hairs. If you only see 1-2 seeds on the plant, wait to see if the plant produces more seeds before cutting it off.
Image titled Identify Female and Male Marijuana Plants Step 4

Image titled Identify Female and Male Marijuana Plants Step 4

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You should know that there is a hermaphrodite plant and should treat it as a male plant. Cannabis plants can develop both reproductive organs. If you see male flowers, you can cut them off like normal male plants. They will release pollen and spoil the harvest. [3] X Research Sources

  • In general, you should not leave hermaphrodites, as they can ruin the crop if you’re not careful.
Image titled Identify Female and Male Marijuana Plants Step 5

Image titled Identify Female and Male Marijuana Plants Step 5

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Throw away the male cannabis plant unless you want the seeds. After determining which plants are male, you need to remove them immediately. Don’t try to remove male flowers by hand as just missing a few flowers will result in a significant reduction in the yield of the crop. Although most people will cut off the male plant, some will keep it for breeding purposes. If you keep the male plants, isolate them to a separate room from the female plants, and make sure not to let pollen get into the female plant room through contact with your clothing or hands. [4] X Research Source www.theweedblog.com/sexing-your-outdoor-marijuana-plants/

Identify female cannabis plants

Image titled Identify Female and Male Marijuana Plants Step 6

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Image titled Identify Female and Male Marijuana Plants Step 6

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Let the plants grow for about six weeks before sexing. Male and female cannabis plants are identical for the first six weeks. Only after they have begun to develop reproductive organs can you tell them apart.

  • You can buy female plant seeds which can produce almost 100% female plants. However, there are occasional mistakes and you need to pay close attention to the plants to make sure no male plants are mixed in. [5] X Research Source www.theweedblog.com/sexing-your-outdoor-marijuana-plants/
Image titled Identify Female and Male Marijuana Plants Step 7

Image titled Identify Female and Male Marijuana Plants Step 7

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Note the thicker foliage on female cannabis plants when compared to male plants. If you are sexing mature cannabis plants, the most obvious sign is the denseness of the foliage. Male plants have thicker and stiffer stems, but fewer leaves. Female cannabis plants of the same strain will be shorter and denser, especially at the top.
Image titled Identify Female and Male Marijuana Plants Step 8

Image titled Identify Female and Male Marijuana Plants Step 8

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Check the armpits on the trunk for small, milky hairs. When mature enough, the female plant begins to produce flowers. In the axillary where the branch meets the main stem, you will see small milky hairs called pistils, which grow from the small teardrop-shaped flower in the armpit. Often new branches and groups of leaves will also develop from the axils.

  • Male plants will have small flowers (chalk sacs) but no hairs on the flowers.
  • Cannabis plants can develop both pollen sacs and pistils. If this is the case then it is hermaphroditic and should be treated as a male plant.
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  • Image titled Identify Female and Male Marijuana Plants Step 9

    Image titled Identify Female and Male Marijuana Plants Step 9

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    Separate the female plants from the male plants because only the female plants produce flowers. Only female cannabis plants produce enough THC for medicinal use, but will not produce much THC if the flowers are pollinated. The pistil has a tendency to attract pollen. If pollinated, it produces seeds, and all the energy and nutrients are put into the seeds instead of producing large flowers that are high in THC. Only female cannabis plants contribute to the yield of the crop, but only if they are kept separate from the male plants.
  • Advice

    • Regularly check plants that are 6 weeks old — you need to know the sex of the tree as soon as possible.
    X

    wikiHow is a “wiki” site, which means that many of the articles here are written by multiple authors. To create this article, 20 people, some of whom are anonymous, have edited and improved the article over time.

    This article has been viewed 18,822 times.

    If you want to grow cannabis plants for medical purposes, you need to learn how to distinguish between male and female cannabis plants. Most growers prefer female cannabis plants because only female plants produce many medically valuable flowers. Male cannabis plants have a lower quality and THC content compared to female plants, and are grown primarily for their seeds.

    Thank you for reading this post How to Sexify Cannabis Plants at Tnhelearning.edu.vn You can comment, see more related articles below and hope to help you with interesting information.

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