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The sex of your plants is genetically determined but is also influenced by the environment. The cannabis plant has two pairs of sex chromosomes, one of which carries the genes that determine sex. As with humans, these are either X or Y. Male plants have the XY chromosome while females are XX. In nature, each grouping has a roughly 50:50 chance of occurring per seed, but in your garden you can control male to female ratios once you learn to recognize what each gender looks like.

Identifying Females

Female marijuana flowers, which start to appear later than those of the males, look more like sacks. As they develop, two upraised feather-like stigmas will shoot out of each sack. They are usually white or cream-colored and are generally found on the main stalk at a node region. A node region is the area on a plant where a branch grows from the stem or where a branch grows on a branch. These stalks are designed to trap the pollen released by the male plant and carried along by the wind. Download my free marijuana grow bible to learn more tips and tricks for growing marijuana.

A word about Pollination If a female plant should receive pollen, it will no longer focus its energy on growing flowers, but will instead start to produce seeds. A healthy female plant can produce a lot of seeds, but unless you are trying to breed a particular type of marijuana, seed production will offer you no benefits. For this reason, growers remove male plants as soon as they identify them.

Another reason to remove the males is that this will give your remaining female plants more sun and light, and will also reduce the number of plants you are tending. Male plants are not very good to smoke, but leaving them in the ground (away from your females) is fine, because you can still use the leaves to make potent pot butter.

Identifying Males

Male marijuana plants usually start to flower one to four reeks sooner than females. They develop fewer flowers and tend to grow straight up, with flowers developing near the top. The immature first flowers (preflowers), appear at the tips of the main stem and branches. These flowers are usually closed, green, and develop in tight clusters. The main parts of the male flower are five petal-shaped objects that enclose the sex organs. They look like a tiny bunch of bananas. As it matures, each one of these clusters opens to reveal a stamen. Stamens allow the plants to produce pollen that is used for reproduction in the wild.

The best way to identify a male is by looking at the preflowers, the calyx, during the early stages of growth. If the calyx is raised on a small stalk or stem then it is generally a male. lf the calyx is not raised then it is generally a female. Watch these areas closely as they develop to learn the difference.

Removing males from your Growing Site

Uprooting male plants from the ground is one extremely reliable way to eliminate the males from your crop. Simply remove the plant and the problem is solved. The disadvantage to waiting until the males show flowers at your site is that you may not notice them until they have already released their pollen. Although a female plant can continue to flower while it is producing seeds, only the healthiest ones will succeed at doing both. Download my free marijuana grow bible to learn more tips and tricks for growing marijuana.

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