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What Is an Outcross in Cannabis Breeding?
An outcross introduces less-related cannabis genetics into a breeding population. Learn when it helps, what variation it creates,…
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What Is a Test Cross in Cannabis Breeding?
A test cross uses a known tester to narrow uncertainty about an unknown parent's genotype. Learn the classic…
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What Is Inbreeding Depression in Cannabis?
Inbreeding depression is a decline in vigor, fertility, or other fitness traits that can appear as homozygosity rises.…
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What Is Heterosis in Cannabis Breeding?
Heterosis is improved F1 performance relative to its parents for a measured trait. Learn how hybrid vigor is…
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What Do F2, F3, and F4 Mean in Cannabis Seeds?
F2, F3, and F4 identify successive filial generations after a parental cross. Learn what changes across generations, why…
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What Is an Inbred Line in Cannabis Breeding?
An inbred cannabis line is developed through repeated close mating to increase homozygosity and inheritance consistency. Learn what…
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What Are Photoperiod Cannabis Seeds?
Photoperiod cannabis seeds produce plants whose flowering responds to the daily light-dark cycle. Learn how that response affects…
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Beginner
What Are Regular Cannabis Seeds?
Regular cannabis seeds can produce male and female plants. Learn what the label means, when mixed-sex seed fits,…
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What Is Marker-Assisted Selection in Cannabis Breeding?
Marker-assisted selection uses validated DNA markers to help choose cannabis breeding plants. It can improve efficiency, but it…
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What Are S1 Cannabis Seeds?
S1 cannabis seeds are first-generation selfed offspring from one selected genotype. They can expose and fix alleles, but…
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