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Tar Spot Showing Early this Year: a Note on Diagnosis

Tar Spot Showing Early this Year: a Note on Diagnosis

By Pierce Paul

I have so far only received one confirmed report of Tar Spot in the state, but the fact that the disease has been reported in a few neighboring states has some stakeholders asking questions about diagnosis and management. Tar Spot is a relatively easy disease to diagnose. As the name suggests, it usually shows up as raised, black spots, primarily on the leaf blast. The size of the spots may vary, but they all have a very similar appearance – raised, circular-to-irregularly shaped, black spots. However, is you do have trouble with diagnosis, please feel free to send me images and samples (1680 Madison Ave, Wooster, OH 44691).

This is the earliest we have seen Tar Spot in the state since it was first reported in 2018. Results from studies out west suggest that yield losses due to Tar Spot tends to be highest when it develops and spreads before tasseling (VT) on susceptible hybrids. Warm, wet, and humid conditions seem to favor the development and spread of Tar Spot, so keep your eyes on the weather, and watch the progress of the disease. If it continues to spread, a fungicide application may be warranted, but efficacy of fungicides against Tar Spot is still being investigated.

Source : osu.edu

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Agricultural Market Update: Grain Prices, Crop Conditions, and Weather Impacts

Welcome back to our channel where we provide comprehensive updates on the latest trends and changes in the agricultural sector. This week, we're looking at significant movements in grain prices, crop conditions, and the effects of weather patterns. Let's dive into the details:

Grain Price Decline Grain prices have fallen to their lowest levels since 2020, with December corn down 4.3% and November soybeans losing 3.1%. This decline is partly due to the beneficial moisture brought by Hurricane Beryl to the Midwest, which has improved crop conditions significantly. The USDA reported that corn and soybean crops are in their best condition in four years, contributing to the downward pressure on prices.

Record Short Positions and Market Sentiment Fund traders have increased their net short positions in the corn market to a record level, with a net short of 347,000 contracts of corn. This reflects a bearish sentiment in the market, further influencing grain price dynamics. Similar selling trends were observed in soybeans and SRW wheat, indicating broad market caution.

Weather Impact and Forecast Hurricane Beryl has brought significant rainfall across Arkansas, Missouri, western Tennessee, western Kentucky, and southern Illinois, with more expected over Missouri, Illinois, and Indiana in the coming days. Despite this, the market is currently more focused on the moisture benefits rather than potential heat risks forecasted in the 6-10 and 8-14 day periods.

US Crop Conditions Corn and soybean conditions have shown slight improvements last week, with corn rated 68% good to excellent and soybeans at 68%. These are among the best ratings for this time of year since 2020, suggesting robust crop health that could continue to influence grain prices.

Winter Wheat Harvest and Spring Wheat Conditions The US winter wheat harvest is progressing well, ahead of schedule with significant portions already harvested in Kansas and Texas. Spring wheat conditions are also favorable, with 75% rated good to excellent, although there have been some declines in states like Idaho, South Dakota, and Washington. Brazil's Corn Harvest and US Exports Brazil's second corn crop harvest is advancing rapidly due to favorable hot and dry conditions, with 63% of the crop already harvested. Meanwhile, US corn shipments saw a substantial increase last week, indicating strong export demand, which contrasts with the recent drop in domestic grain prices.

Ongoing Developments Lastly, the USDA reported a flash sale of corn, with significant quantities sold to unknown destinations, scheduled for delivery over the next two marketing years. This could signal ongoing international demand for US corn despite lower prices.

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