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Paul Houle<p>In a flash of nationalism, Mexico bans the planting of genetically modified corn</p><p><a href="https://www.latimes.com/world-nation/story/2025-03-13/mexico-bans-planting-of-gmo-american-corn" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">latimes.com/world-nation/story</span><span class="invisible">/2025-03-13/mexico-bans-planting-of-gmo-american-corn</span></a></p><p>🆓 <a href="https://archive.ph/3q2zE" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">archive.ph/3q2zE</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/mexico" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mexico</span></a> <a href="https://mastodon.social/tags/corn" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>corn</span></a> <a href="https://mastodon.social/tags/maize" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>maize</span></a> <a href="https://mastodon.social/tags/globalsouth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>globalsouth</span></a> <a href="https://mastodon.social/tags/gmo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gmo</span></a> <a href="https://mastodon.social/tags/agriculture" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>agriculture</span></a> <a href="https://mastodon.social/tags/politics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>politics</span></a></p>
Bruce MacDonald<p>I call it maize.</p><p>"Even before the constitutional reform, it was mostly illegal to plant modified corn in Mexico thanks to a 2013 lawsuit brought by farmer activists. But experts say it still happens. And they say the presence of engineered seeds and corn in Mexico threatens the vast diversity of maize crops here, which span from burnt orange to purple and pink and which have been adapted over centuries to be grown at different altitudes and climates."<br><a href="https://www.latimes.com/world-nation/story/2025-03-13/mexico-bans-planting-of-gmo-american-corn" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">latimes.com/world-nation/story</span><span class="invisible">/2025-03-13/mexico-bans-planting-of-gmo-american-corn</span></a></p><p><a href="https://hachyderm.io/tags/corn" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>corn</span></a> <a href="https://hachyderm.io/tags/maize" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>maize</span></a> <a href="https://hachyderm.io/tags/PlantGenetics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PlantGenetics</span></a></p>
Peter Riley<p><span class="h-card" translate="no"><a href="https://mastodon.social/@ViaCampesina" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>ViaCampesina</span></a></span> </p><p><a href="https://www.worldphoto.org/sony-world-photography-awards/winners-galleries/2025/professional/whisper-maize-florence-goupil" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">worldphoto.org/sony-world-phot</span><span class="invisible">ography-awards/winners-galleries/2025/professional/whisper-maize-florence-goupil</span></a></p><p><a href="https://mastodon.social/tags/Corn" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Corn</span></a> <a href="https://mastodon.social/tags/Maize" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Maize</span></a> <a href="https://mastodon.social/tags/firstnations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>firstnations</span></a> <a href="https://mastodon.social/tags/Indigenous" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Indigenous</span></a> <a href="https://mastodon.social/tags/Quechua" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Quechua</span></a>, <a href="https://mastodon.social/tags/Wari" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Wari</span></a>, <a href="https://mastodon.social/tags/Nahua" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nahua</span></a>, <a href="https://mastodon.social/tags/Otomi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Otomi</span></a> and <a href="https://mastodon.social/tags/Wanka" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Wanka</span></a> <a href="https://mastodon.social/tags/agroecology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>agroecology</span></a> <a href="https://mastodon.social/tags/Photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Photography</span></a> <a href="https://mastodon.social/tags/FlorenceGoupil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FlorenceGoupil</span></a> <a href="https://mastodon.social/tags/Peru" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Peru</span></a> <a href="https://mastodon.social/tags/Mexico" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mexico</span></a></p>
Alexander J. Stein<p><a class="hashtag" href="https://bsky.app/search?q=%23SouthAfrica" rel="nofollow noopener noreferrer" target="_blank">#SouthAfrica</a> is a key food producer in Southern <a class="hashtag" href="https://bsky.app/search?q=%23Africa" rel="nofollow noopener noreferrer" target="_blank">#Africa</a>. Models predict <a class="hashtag" href="https://bsky.app/search?q=%23climatechange" rel="nofollow noopener noreferrer" target="_blank">#climatechange</a> will severely decrease <a class="hashtag" href="https://bsky.app/search?q=%23yields" rel="nofollow noopener noreferrer" target="_blank">#yields</a> for key crops, e.g. <a class="hashtag" href="https://bsky.app/search?q=%23maize" rel="nofollow noopener noreferrer" target="_blank">#maize</a> &amp; <a class="hashtag" href="https://bsky.app/search?q=%23wheat" rel="nofollow noopener noreferrer" target="_blank">#wheat</a>, and reduce arable land, posing challenges for <a class="hashtag" href="https://bsky.app/search?q=%23foodsecurity" rel="nofollow noopener noreferrer" target="_blank">#foodsecurity</a>, employment, rural-urban migration &amp; land reform: <a href="https://doi.org/10.1007/978-3-031-71164-0_56-1" rel="nofollow noopener noreferrer" target="_blank">doi.org/10.1007/978-...</a> <a class="hashtag" href="https://bsky.app/search?q=%23landuse" rel="nofollow noopener noreferrer" target="_blank">#landuse</a><br><br><a href="https://doi.org/10.1007/978-3-031-71164-0_56-1" rel="nofollow noopener noreferrer" target="_blank">The Impact of Climate Change o...</a></p>
Alexander J. Stein<p><a href="https://mastodon.world/tags/Malawi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Malawi</span></a>: Consumption of whole <a href="https://mastodon.world/tags/maize" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>maize</span></a> flour could boost <a href="https://mastodon.world/tags/foodsecurity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>foodsecurity</span></a>. Dehulling causes losses of 10% for <a href="https://mastodon.world/tags/protein" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>protein</span></a>, 60% for <a href="https://mastodon.world/tags/zinc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>zinc</span></a> &amp; 50% for iron. Local preferences are for refined <a href="https://mastodon.world/tags/flour" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>flour</span></a> due to convenience &amp; cultural norms, despite the <a href="https://mastodon.world/tags/nutrition" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nutrition</span></a> benefits of whole grain flour: <a href="https://doi.org/10.1007/s44187-025-00311-y" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">doi.org/10.1007/s44187-025-003</span><span class="invisible">11-y</span></a></p>
Alexander J. Stein<p>China's policy to increase <a href="https://mastodon.world/tags/soybean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>soybean</span></a> &amp; corn production and decrease <a href="https://mastodon.world/tags/meat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>meat</span></a> consumption can diminish 3rd country's <a href="https://mastodon.world/tags/exports" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exports</span></a> to China. (Due to the rise of obesity-related <a href="https://mastodon.world/tags/health" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>health</span></a> problems, the government plans to reduce meat consumption by half): <a href="https://doi.org/10.1002/aepp.13462" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1002/aepp.13462</span><span class="invisible"></span></a> <a href="https://mastodon.world/tags/China" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>China</span></a> <a href="https://mastodon.world/tags/trade" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>trade</span></a> <a href="https://mastodon.world/tags/maize" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>maize</span></a> <a href="https://mastodon.world/tags/corn" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>corn</span></a></p>
Alexander J. Stein<p>A Mexican <a href="https://mastodon.world/tags/import" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>import</span></a> ban of GM <a href="https://mastodon.world/tags/corn" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>corn</span></a> causes considerable <a href="https://mastodon.world/tags/trade" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>trade</span></a> reallocations: <a href="https://mastodon.world/tags/Mexico" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mexico</span></a> imports from more expensive sources, the <a href="https://mastodon.world/tags/USA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>USA</span></a> export to more distant countries, and <a href="https://mastodon.world/tags/welfare" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>welfare</span></a> decreases in many countries, with Mexico incurring large losses: <a href="http://doi.org/10.22004/ag.econ.348482" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">http://</span><span class="ellipsis">doi.org/10.22004/ag.econ.34848</span><span class="invisible">2</span></a> <a href="https://mastodon.world/tags/GMO" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GMO</span></a> <a href="https://mastodon.world/tags/maize" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>maize</span></a> <a href="https://mastodon.world/tags/consumers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>consumers</span></a> <a href="https://mastodon.world/tags/prices" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>prices</span></a></p>

Intensifying #droughts threaten future #foodsecurity: Soybeans, #maize & spring #wheat are most drought-sensitive & prone to severe #yields losses, esp. in US, #Argentina, #Australia & China. GHG #emissions intensify the risk of #drought significantly... (1/2) doi.org/10.3390/atmos16010034 #USA #China

MDPIIntensified Drought Threatens Future Food Security in Major Food-Producing CountriesDrought is one of the most severe natural disasters globally, with its frequency and intensity escalating due to climate change, posing significant threats to agricultural production. This is particularly critical in major food-producing regions, where drought profoundly impacts crop yields. Such impacts can trigger food crises in affected regions and disrupt global food trade patterns, thereby posing substantial risks to global food security. Based on historical data, this study examines the yield response characteristics of key crops—maize, rice, soybean, spring wheat, and winter wheat—under drought conditions during their growth cycles, highlighting variations in drought sensitivity among major food-producing countries. The findings reveal that maize and soybean yield in China, the United States, and Brazil are among the most sensitive and severely affected by drought. Furthermore, using precipitation simulation data from CMIP6 climate models, the study evaluates drought trends and associated crop yield risks under different future emission scenarios. Results indicate that under high-emission scenarios, crops face heightened drought risks during their growth cycles, with China and the United States particularly vulnerable to yield reductions. Additionally, employing copula functions, the study analyzes the probability of simultaneous drought occurrences across multiple countries, shedding light on the evolving trends of multicountry drought events in major food-producing regions. These findings provide a scientific basis for assessing global food security risks and offer policy recommendations to address uncertainties in food supply under climate change.

Exploring the Impact of Plant Traits on Nitrogen Use Efficiency in Maize

Researchers use a functional-structural plant model to analyze how architectural and physiological traits affect nitrogen uptake and physiological efficiency.

📰 Story: botany.fyi/q9vuay
🧪 Research: doi.org/nvrh

Botany One · Exploring the Impact of Plant Traits on Nitrogen Use Efficiency in MaizeResearchers use a functional-structural plant model to analyze how architectural and physiological traits affect nitrogen uptake and physiological efficiency.
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"Europe is grappling with a severe #cereal production crisis, exacerbated by adverse weather conditions, high production costs with stable prices, low quality of output, and stiff competition from Ukraine.

“This season was particularly challenging due to a series of adverse weather events for harvest,” he added, highlighting how droughts in Southeastern Europe and excessive autumn rainfall have negatively impacted both quantity and quality of harvests."

euronews.com/my-europe/2024/11
#wheat #maize

euronews · Europe faces growing crisis in cereal productionA series of factors are expected to reduce EU cereal production to its lowest level since 2007, setting off alarm bells in the sector. #EuropeNews

This year I planted a milpa-inspired bed with #squash #beans and #sorghum in place of #corn / #maize.

Everything grew great! The weird thing, however, was that the beans did not flower. At all. Until after the fall equinox when it was too late for them to mature pods. I planted Frijol Negro Santanero from Rancho Gordo that were grown in #Oaxaca. Turns out, much to my surprise, common beans can be day-length sensitive! I live too far north for this tropical variety.