Posts Tagged: application

Preliminary pendimethalin chemigation experiment report

This article was originally prepared for the CWSS Research Update and News (December 2019 edition).  You can see it and several other articles at the CWSS website. You can also get information on the annual California Weed Science Society Conference which will be held in Monterey during...

Meeting announcement: spray application short course

Its not too late to register for the San Joaquin Valley Spray Application Short Course (November 12-14). Here's a link to the webpage: https://ucanr.edu/sites/SJVSprayApplication/Home/ Here's a link to the full  agenda: https://ucanr.edu/sites/SJVSprayApplication/Agenda/

Drip-applied Kerb (Pronamide) in lettuce

Over the years of Kerb use in lettuce (more like decades) there has been a lot of work on application methods. Our transplanted lettuce in southern California is usually grown on drip and when possible, we like to apply all things through it. Our fields are surrounded by four cities and folks there...

Weed control under a changing climate

Maor Matzrafi is a post-doctoral researcher with Marie Jasieniuk's lab at UC Davis. It is well known that herbicide efficacy is strongly associated with environmental conditions (Kudsk and Kristensen, 1992), and this is why applicators are required (by law) to spray under specific environmental...

2017 Automated Thinner/Weeder Spray Materials Evaluation

Lettuce in the Salinas Valley is direct seeded by planting 3–4 times the amount of seed need and then thinning the stand to the desired spacing. Lettuce is one of the few crops that is still thinned because seed is still cheap enough and high yield potential is dependent on having maximum...

Table 1. Weed counts (no/2 ft2) on Sept. 26 (4 days after application)

Table 1. Weed counts (no/2 ft2) on Sept. 26 (4 days after application)

Table 2. Weed counts (no/2 ft2) on Sept. 29 (7 days after application)

Table 2. Weed counts (no/2 ft2) on Sept. 29 (7 days after application)

Figure 2. Sharpen at 1.0 oz/A

Figure 2. Sharpen at 1.0 oz/A

Figure 3. Shark at 9.7 mls/A

Figure 3. Shark at 9.7 mls/A

Figure 4. Suppress (+Oroboost & oil)

Figure 4. Suppress (+Oroboost & oil)

Figure 5. Raptor at 4.0 oz/A

Figure 5. Raptor at 4.0 oz/A

Figure 6. Rely 29 oz/A (Sept 26)

Figure 6. Rely 29 oz/A (Sept 26)

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