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	<title>Walter Tennyson Swingle - Revision history</title>
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	<updated>2026-05-01T21:28:39Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wikimd.org/index.php?title=Walter_Tennyson_Swingle&amp;diff=6309104&amp;oldid=prev</id>
		<title>Prab: CSV import</title>
		<link rel="alternate" type="text/html" href="https://wikimd.org/index.php?title=Walter_Tennyson_Swingle&amp;diff=6309104&amp;oldid=prev"/>
		<updated>2025-02-18T00:44:44Z</updated>

		<summary type="html">&lt;p&gt;CSV import&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 00:44, 18 February 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l29&quot;&gt;Line 29:&lt;/td&gt;
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&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;File:Walter_T._Swingle,_1952.jpg|Walter Tennyson Swingle in 1952&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;File:Limequat.jpg|Limequat fruit&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;/table&gt;</summary>
		<author><name>Prab</name></author>
	</entry>
	<entry>
		<id>https://wikimd.org/index.php?title=Walter_Tennyson_Swingle&amp;diff=5312186&amp;oldid=prev</id>
		<title>Prab: CSV import</title>
		<link rel="alternate" type="text/html" href="https://wikimd.org/index.php?title=Walter_Tennyson_Swingle&amp;diff=5312186&amp;oldid=prev"/>
		<updated>2024-02-26T17:27:49Z</updated>

		<summary type="html">&lt;p&gt;CSV import&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Walter Tennyson Swingle&amp;#039;&amp;#039;&amp;#039; (1871–1952) was an eminent American [[botanist]] known for his significant contributions to the field of [[plant pathology]] and [[agriculture]]. He was a pioneer in the study of [[citrus]] diseases and played a crucial role in the development of new citrus varieties.&lt;br /&gt;
&lt;br /&gt;
== Early Life and Education ==&lt;br /&gt;
Swingle was born on January 8, 1871, in [[Pennsylvania]]. He developed an interest in botany at a young age and pursued his passion by studying at [[Kansas State Agricultural College]], where he earned his Bachelor&amp;#039;s degree in 1890. He later attended the [[University of Bonn]] in Germany for his doctoral studies.&lt;br /&gt;
&lt;br /&gt;
== Career ==&lt;br /&gt;
Swingle started his career at the [[United States Department of Agriculture]] (USDA) in 1891. He worked in the Division of Vegetable Pathology, where he focused on the study of diseases affecting citrus plants. His work led to the development of new, disease-resistant citrus varieties, which significantly improved citrus farming in the United States.&lt;br /&gt;
&lt;br /&gt;
In 1904, Swingle was appointed as the head of the newly established Office of Crop Physiology and Breeding Investigations. He held this position until 1923, when he was appointed as a plant explorer for the USDA. In this role, he traveled extensively, collecting plant specimens from around the world.&lt;br /&gt;
&lt;br /&gt;
Swingle&amp;#039;s most notable work was his research on the [[citrus greening disease]], also known as Huanglongbing (HLB). He was the first to identify the disease in the United States and developed methods to control its spread.&lt;br /&gt;
&lt;br /&gt;
== Legacy ==&lt;br /&gt;
Swingle&amp;#039;s contributions to botany and agriculture have had a lasting impact. His research on citrus diseases has been instrumental in the development of disease-resistant citrus varieties. His work has also influenced the practices of citrus farming, leading to increased productivity and sustainability.&lt;br /&gt;
&lt;br /&gt;
Swingle was honored for his contributions to science with several awards, including the [[Mary Soper Pope Memorial Award]] in botany in 1929. The [[Swingle Plant Anatomy Reference Collection]], housed at the [[Smithsonian Institution]], is named in his honor.&lt;br /&gt;
&lt;br /&gt;
== See Also ==&lt;br /&gt;
* [[Citrus greening disease]]&lt;br /&gt;
* [[United States Department of Agriculture]]&lt;br /&gt;
* [[Smithsonian Institution]]&lt;br /&gt;
&lt;br /&gt;
== References ==&lt;br /&gt;
&amp;lt;references /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Category:Botanists]]&lt;br /&gt;
[[Category:American scientists]]&lt;br /&gt;
[[Category:Plant pathology]]&lt;br /&gt;
[[Category:Agriculture]]&lt;br /&gt;
{{food-stub}}&lt;/div&gt;</summary>
		<author><name>Prab</name></author>
	</entry>
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