Crops on Which Dessicants Are Used Before Harvest

Remember glyphosate is much better than a desiccant on perennials so if you have a field with lots of quackgrass Canada thistle etc then using glyphosate is your best route to go. Desiccants are typically contact herbicides consequently adequate coverage of the spray on the target plant is essential for control.

Use Caution With Pre Harvest Applications The Western Producer

This results in mature pods at the bottom of the plant and greener material at the top.

. Advertisement Ed Thiessen of Syngenta Canada says that herbicide application before harvest can often bring increased profitability by providing several. The herbicide paraquat has been used as a desiccant but increasing restrictions regarding pesticide residues make the labeling of this product very difficult. These products may also assist in pre-harvest weed control.

Material and improving harvest efficiency by reducing the amount of. In Roundup Ready canola glyphosate will aid in perennial weed control but not crop dry down. A desiccant only dries down the crop to reduce the time to harvest.

Their use kills the remaining. Use of low nozzle pressure 20-30 psi is recommended for ground equipment. Most lentil producers in Western Canada use pre-harvest desiccants in lentil for two reasons.

Typically that is going to be for a broadleaf crop and pulse crops tend to be the most commonly desiccated In indeterminate plants such as pulses flowers are produced at the bottom and continue to be produced all the way up as the plant grows. Desiccants are not designed to speed up crop maturity. Green vegetation in the crop and most green weeds thus enhancing dry down of the plant.

The potential yield advantage with early-planted grain or tuber crops has been documented Hu and Wiatrak 2012. As a true desiccant sodium chlorate will physically draw moisture out of plant tissue and seed and should be applied 7-10 days before harvest. In pulse crops desiccant use can be a critical component of harvest management to dry down any remaining green material in the field as well as deal with actively growing weeds.

To speed up crop dry down which helps with ease and efficiency of harvest and to achieve perennial weed control going into the next growing season. Monitor the crop and typically when pulse crops such as lentils peas and chickpeas are showing a general color turn and the leaves. Refer to the product label for the preferred application conditions for each desiccant.

Apply Ginstar when all harvestable bolls are mature but at least 5-days before harvestMay be applied with air 2-10 GPA or ground 10-25 GPA spray equipment. Desiccants are commonly used harvest aids to remedy problems that may interfere with efficient soybean harvest. Gramoxone Inteon 2SL paraquat was one of the first products registered as a harvest aid in dry beans.

Purposeful desiccation prior to soybean harvest is an option to consider. Consider the following points when selecting a product for use as a harvest aid and applying that product. In Canada products such as diquat Reglone and glyphosate Roundup have been used as desiccants in pulse crops Consumer advocates have grown alarmed at this practice of spraying right before harvest fearing that such use leaves less time for residues to dissipate before the crop reaches consumers.

Make sure the crop is at the right stage before applying a desiccant because the application will not advance seed maturity. Select an area of the field representative of the crop. Dont tank mix but if you want to get the best of both worlds use glyphosate first and then Reglone three days later to get dry down and good perennial weed control.

Sunflowers may also be treated pre-harvest with glyphosate according to the National Sunflower Association. Reglone is registered as a desiccant on some pulse and oilseed crops while glyphosate is registered for preharvest perennial weed control on cereals oilseeds and pulses. Notes on Vine Desiccation - Topkillers.

Along with wheat and oats glyphosate is used to desiccate a wide range of other crops including lentils peas non-GMO soybeans corn flax rye triticale buckwheat millet canola sugar beets and potatoes. The primary use of Gramoxone Inteon is to desiccate uncontrolled weeds that may interfere with harvest. Dale Risula Saskatchewans provincial special crops specialist starts almost every conversation with the same comment.

Glufosinate or diquat tank mixed with glyphosate had no effect on yield or seed weight. In ESPS plantings in the midsouthern USA where an earlier open canopy. At the very least the use of Roundup.

CARFENTRAZONE-ETHYL Aim is applied as a harvest aid when the crop is mature. However Gramoxone Inteon will also help desiccate dry beans that may have some green leaves or stems. A new generation of harvest aids is being applied to other crops but no information regarding their use or impacts in Kentucky bluegrass seed fields is available.

Desiccants are commonly used during grain soybean canola or carinata and tuber potato crop production and have several benefits. The world by growers who are producing crops that require drying down to create uniformity of plant material at harvest. For 2017 glyphosate paraquat Gramoxone or Parazone carfentrazone-ethyl Aim saflufencil Sharpen and flumioxazin Valor are labeled for preharvest applications for both soybeans and dry beans.

Do not allow spray drift to contact trees or crops other than cotton. Desiccants are important harvest aids in sorghum production. Pick 20 pods from the part of the canopy bearing the bulk of the yield.

Sodium Chlorate at 6 lb aiacre Sodium chlorate will provide desiccation of weeds and soybean plants but activity level from this application will depend on environmental conditions. If at least two-thirds of the seeds have changed from green to brown. Desiccants or pre-harvest glyphosate products can help with timely defoliation and reduce yield losses caused by harvest delays as well as dockage due to green seeds or weeds.

Desiccants can kill green tissue leaves stems pods on soybean plants and green weeds. Facilitation of timely harvest and increased harvest efficiency. In Canada products such as diquat Reglone and glyphosate Roundup have been used as desiccants in pulse crops in the past and there are new products on.

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