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	<title>Cannabis Seeds Staff &#8211; Cannabis Seeds | Repository and Knowledge Base</title>
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	<link>https://www.cannabisseeds.com</link>
	<description>When You Need To Know: Ask Cannabis Seeds</description>
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	<title>Cannabis Seeds Staff &#8211; Cannabis Seeds | Repository and Knowledge Base</title>
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	<item>
		<title>What Is a Test Cross in Cannabis Breeding?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-a-test-cross-in-cannabis-breeding/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-a-test-cross-in-cannabis-breeding/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Thu, 10 Sep 2026 14:16:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Genetic Testing & Markers]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[cannabis genetics]]></category>
		<category><![CDATA[genetic testing]]></category>
		<category><![CDATA[Mendelian inheritance]]></category>
		<category><![CDATA[progeny testing]]></category>
		<category><![CDATA[test cross]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1497</guid>

					<description><![CDATA[A test cross uses a known tester to narrow uncertainty about an unknown parent's genotype. Learn the classic logic, cannabis-specific limits, and a defensible workflow.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/advanced/what-is-a-test-cross-in-cannabis-breeding/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Is Inbreeding Depression in Cannabis?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-inbreeding-depression-in-cannabis/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-inbreeding-depression-in-cannabis/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Wed, 09 Sep 2026 18:29:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Breeding & Genetics]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[cannabis genetics]]></category>
		<category><![CDATA[fertility]]></category>
		<category><![CDATA[genetic diversity]]></category>
		<category><![CDATA[inbreeding depression]]></category>
		<category><![CDATA[plant vigor]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1496</guid>

					<description><![CDATA[Inbreeding depression is a decline in vigor, fertility, or other fitness traits that can appear as homozygosity rises. Learn the signals, controls, and stop rules breeders need.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/advanced/what-is-inbreeding-depression-in-cannabis/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Is Heterosis in Cannabis Breeding?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-heterosis-in-cannabis-breeding/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-heterosis-in-cannabis-breeding/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Tue, 08 Sep 2026 18:47:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[F1 Hybrid]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[cannabis genetics]]></category>
		<category><![CDATA[F1 hybrids]]></category>
		<category><![CDATA[heterosis]]></category>
		<category><![CDATA[hybrid vigor]]></category>
		<category><![CDATA[parental lines]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1495</guid>

					<description><![CDATA[Heterosis is improved F1 performance relative to its parents for a measured trait. Learn how hybrid vigor is tested, why it is not automatic, and how to evaluate a claim.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/advanced/what-is-heterosis-in-cannabis-breeding/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Do F2, F3, and F4 Mean in Cannabis Seeds?</title>
		<link>https://www.cannabisseeds.com/advanced/what-do-f2-f3-and-f4-mean-in-cannabis-seeds/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-do-f2-f3-and-f4-mean-in-cannabis-seeds/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Mon, 07 Sep 2026 18:56:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Breeding & Genetics]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[F2 cannabis seeds]]></category>
		<category><![CDATA[F3 cannabis seeds]]></category>
		<category><![CDATA[F4 cannabis seeds]]></category>
		<category><![CDATA[filial generations]]></category>
		<category><![CDATA[genetic segregation]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1494</guid>

					<description><![CDATA[F2, F3, and F4 identify successive filial generations after a parental cross. Learn what changes across generations, why F2 often segregates, and how to read the label.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/advanced/what-do-f2-f3-and-f4-mean-in-cannabis-seeds/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Is an Inbred Line in Cannabis Breeding?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-an-inbred-line-in-cannabis-breeding/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-an-inbred-line-in-cannabis-breeding/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Fri, 04 Sep 2026 16:50:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Breeding & Genetics]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[cannabis genetics]]></category>
		<category><![CDATA[F1 hybrid breeding]]></category>
		<category><![CDATA[homozygosity]]></category>
		<category><![CDATA[inbred lines]]></category>
		<category><![CDATA[line breeding]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1493</guid>

					<description><![CDATA[An inbred cannabis line is developed through repeated close mating to increase homozygosity and inheritance consistency. Learn what breeders gain, what they risk, and what must be measured.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/advanced/what-is-an-inbred-line-in-cannabis-breeding/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Are Photoperiod Cannabis Seeds?</title>
		<link>https://www.cannabisseeds.com/beginner/what-are-photoperiod-cannabis-seeds/</link>
					<comments>https://www.cannabisseeds.com/beginner/what-are-photoperiod-cannabis-seeds/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Thu, 03 Sep 2026 20:40:00 +0000</pubDate>
				<category><![CDATA[Beginner]]></category>
		<category><![CDATA[Photoperiod]]></category>
		<category><![CDATA[cannabis flowering]]></category>
		<category><![CDATA[light cycle]]></category>
		<category><![CDATA[photoperiod cannabis seeds]]></category>
		<category><![CDATA[photoperiodism]]></category>
		<category><![CDATA[seed types]]></category>
		<category><![CDATA[short-day plants]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1492</guid>

					<description><![CDATA[Photoperiod cannabis seeds produce plants whose flowering responds to the daily light-dark cycle. Learn how that response affects indoor control, outdoor timing, and seed choice.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/beginner/what-are-photoperiod-cannabis-seeds/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Are Regular Cannabis Seeds?</title>
		<link>https://www.cannabisseeds.com/beginner/what-are-regular-cannabis-seeds/</link>
					<comments>https://www.cannabisseeds.com/beginner/what-are-regular-cannabis-seeds/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Wed, 02 Sep 2026 16:41:00 +0000</pubDate>
				<category><![CDATA[Beginner]]></category>
		<category><![CDATA[Seed Types]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[cannabis seed types]]></category>
		<category><![CDATA[dioecious cannabis]]></category>
		<category><![CDATA[female cannabis plants]]></category>
		<category><![CDATA[male cannabis plants]]></category>
		<category><![CDATA[regular cannabis seeds]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1491</guid>

					<description><![CDATA[Regular cannabis seeds can produce male and female plants. Learn what the label means, when mixed-sex seed fits, and how to plan a population without relying on seed appearance.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/beginner/what-are-regular-cannabis-seeds/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Is Marker-Assisted Selection in Cannabis Breeding?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-marker-assisted-selection-in-cannabis-breeding/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-marker-assisted-selection-in-cannabis-breeding/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Tue, 01 Sep 2026 23:19:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Genetic Testing & Markers]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[cannabis genetics]]></category>
		<category><![CDATA[genetic markers]]></category>
		<category><![CDATA[marker-assisted selection]]></category>
		<category><![CDATA[phenotyping]]></category>
		<category><![CDATA[SNP markers]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1481</guid>

					<description><![CDATA[Marker-assisted selection uses validated DNA markers to help choose cannabis breeding plants. It can improve efficiency, but it doesn’t replace phenotyping, field trials, or chemical testing.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/advanced/what-is-marker-assisted-selection-in-cannabis-breeding/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Are S1 Cannabis Seeds?</title>
		<link>https://www.cannabisseeds.com/advanced/what-are-s1-cannabis-seeds/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-are-s1-cannabis-seeds/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Mon, 31 Aug 2026 22:17:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Breeding & Genetics]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[cannabis genetics]]></category>
		<category><![CDATA[feminized seeds]]></category>
		<category><![CDATA[homozygosity]]></category>
		<category><![CDATA[S1 cannabis seeds]]></category>
		<category><![CDATA[self-pollination]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1480</guid>

					<description><![CDATA[S1 cannabis seeds are first-generation selfed offspring from one selected genotype. They can expose and fix alleles, but the offspring are related individuals—not copies of the parent.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/advanced/what-are-s1-cannabis-seeds/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>What Is the Difference Between Diploid and Triploid Cannabis?</title>
		<link>https://www.cannabisseeds.com/advanced/what-is-the-difference-between-diploid-and-triploid-cannabis/</link>
					<comments>https://www.cannabisseeds.com/advanced/what-is-the-difference-between-diploid-and-triploid-cannabis/#respond</comments>
		
		<dc:creator><![CDATA[Cannabis Seeds Staff]]></dc:creator>
		<pubDate>Fri, 28 Aug 2026 20:22:00 +0000</pubDate>
				<category><![CDATA[Advanced]]></category>
		<category><![CDATA[Triploid & Diploid Breeding]]></category>
		<category><![CDATA[cannabis breeding]]></category>
		<category><![CDATA[cannabis genetics]]></category>
		<category><![CDATA[diploid cannabis]]></category>
		<category><![CDATA[polyploidy]]></category>
		<category><![CDATA[seed formation]]></category>
		<category><![CDATA[triploid cannabis]]></category>
		<guid isPermaLink="false">https://www.cannabisseeds.com/?p=1479</guid>

					<description><![CDATA[Diploid cannabis has two chromosome sets, while triploid cannabis has three and is usually far less fertile. Reduced fertility is useful in some systems but isn’t guaranteed sterility.]]></description>
		
					<wfw:commentRss>https://www.cannabisseeds.com/advanced/what-is-the-difference-between-diploid-and-triploid-cannabis/feed/</wfw:commentRss>
			<slash:comments>0</slash:comments>
		
		
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