You also may see big differences in varietal responses to thrips feeding. Acephate alone controls thrips, but the residual is much shorter and the likelihood of follow-up foliar applications is high. Starting off with a good seed treatment is an excellent way to control insects above and below the ground. The best foliar insecticide application timing for thrips control is the one- to two-leaf cotton stage for maximum economic returns; however, this does not line up  well with residual herbicide applications, so insecticide applications are often considered an “extra trip.”. and with the Eastern Band of Cherokee Indians. Therefore, preventative use of seed treatments is a standard practice and is very appropriate. 1 Both species have fairly wide host ranges, feeding on both broadleaf and grass plants, including alfalfa, common bean, grains, grasses, and various weed … The best defense against thrips is a rapidly growing cotton … So, when you are searching for thrips it can be easy to mistake some dirt of a piece of plant that is stuck to the bottom of the cotton leaves for a thrips. Most reported no need for additional foliar sprays when this option was chosen. “It’s impressive technology, and it’s important to us now because we’re seeing issues with seed treatments controlling thrips,” Stewart says. Chemical Control of Cotton Thrips. Your rating: Once you have this information, you will be able to make a decision. Thrips are some of the most damaging insect pests to the leaves of onions world-wide. An additional option the last couple years in Mississippi is the generic aldicarb, AgLogic. All these products in furrow without an insecticidal seed treatment can provide equivalent control to a seed treatment in some cases. Rarely is it ever economical to treat thrips past the fourth-leaf stage. We confirmed a few years ago that certain varieties seem to exhibit some host plant resistance to thrips. It is very important to remember that there will always be adult thrips on cotton. For more information visit the Cotton Insects Thrips Fact Sheet (W026). If Aeris is not an option, I would strongly consider having your dealer over-treat your imidacloprid treated seed with acephate (6.4 oz/cwt). With the loss of Temik for the 2012 growing season, insecticide seed treatments (ISTs) and over-sprays will be critically important for controlling thrips on seedling cotton. Aeris-treated seed still provides good control and is available from Bayer as a downstream treatment at your local dealer. © 2007 - 2021 One Grower Publishing. In-furrow. Want to see which lists are available? Not much has changed since last year in regards to thrips control via insecticide seed treatment. It appears you don't have javascript enabled. Additionally, if you are set up to spray in-furrow, acephate at 0.75-1 lb/acre is a very good option in addition to an imidacloprid seed treatment but not in place of. You will automatically get notified when we post news and tag it, Extension Weed Specialist & Assistant Professor, Professor of Crop Science & Extension Cotton Specialist, N.C. Cooperative Extension prohibits discrimination and harassment on the basis of race, color, national origin, age, sex (including pregnancy), disability, religion, sexual orientation, gender identity, and veteran status. Cotton acreage reached its height in 1926, when North Carolina producers planted right at 2 million acres. Catchot may be reached at alc4@msstate.edu. or imidacloprid (Gaucho, Aeris, etc.) Some of the more popular choices for thrips control in Kansas are the seed treatment thiamethoxam, planting-time applications of acephate and phorate, or foliar treatments of a low rate of dimethoate or acephate. Preventative in-furrow insecticides or seed treatments are recommended. An important thing to remember is that the first few weeks after plant emergence are critical to set the crop up for the rest of the year. These were combined with various in-furrows both with an without seed treatments. It shows selectivity in the other beneficial organisms in crops such as cotton, tomato, Burberry, apple, and many others. The site may not look or function as expected. Importantly, they can also completely flop without an insecticidal seed treatment in some cases (with the exception of AgLogic which, depending on rate, usually looks as good or sometimes better than a seed treatment). The western flower thrips (WFT), Frankiliniella occidentalis is a recent exotic invader also found in cotton regions. In this case, the oil is made from … Timely, judicious use of foliar insecticides is also an important component of IPM in cotton when insect counts indicate that pest populations have exceeded economic thresholds. Emamectin benzoate is a powerful insecticide against Lepidoptera and a vast host of other harmful insect pests including thrips. When thresholds are met or exceeded, options for foliar sprays of insecticides include, but are not limited to, the organophosphates acephate, dicrotophos, dimethoate, and the spinosyn 11 spinetoram as the most efficacious materials available for post-planting control of … As a result, we have switched over almost exclusively to imidacloprid-based products. Poor seedling growth will almost always delay maturity and make plant bug management much more difficult. It’s critical to not only get the 1) active ingredient from your dealer, but also to get the 2) rate of insecticide applied to the seed (0.375 mg ai/seed is common for most). Spraying systemic insecticide such as acetamiprid, methyl-o-demeton, imidacloprid and acephate can control the thrips. In 2011, we began observing reduced tobacco thrips control with the active ingredient thiamethoxam. North Carolina planted about 450,000 acres in 2013, which places the state third in cotton acreage behind Texas and Georgia. NC State Extension is the largest outreach program at NC State University. 6). In 2017, many growers experimented with the additional overtreatment of acephate or in-furrow sprays on top of imidacloprid treated seed and reported excellent results across the state. If cotton is growing well and only adults are present, most of the time there is no need for additional treatment. From these studies, any seed treatment with a full rate of imidacloprid provided equivalent control (for example, Acceleron, Aeris, and Avicta Elite), even when packaged with other insecticides. However, this phenomenon is not extremely widespread. Cotton insect report Charles Davis , a Clemson Extension row crops agent in Richland County, said thrips – a tiny, destructive insect – are being reported in fields where cotton is emerging. Cotton seed comes with a variety of seed treatment options that may either be purchased through a seed company or … We have tested this product extensively the last couple years, and it looks very good. Tobacco thrips have recently developed resistance to some neonicotinoid insecticides such as thiamethoxam (i.e., Cruiser). DAMAGE TO ONIONS. Spray NSKE @ 5 % OR acetamiprid 20 SP @ 0.2g/l OR fipronil 5 SC @ 1 ml/l. In 2015, we began to see a decline in efficacy with imidacloprid in select trials. In some situations (high thrips infestations and/or slow seedling growth) supplemental foliar insecticides may be needed in addition to at-plant insecticides. Subscribe By Email chevron_right. Please refer to the most recent Cotton Insect Management Guide for material rates and control options. Acephate (Orthene) seed treatment has provided moderate control in our environment and should be avoided as a standalone seed treatment. Working hand-in-hand with our partners at N.C. A&T and 101 local governments, we conduct groundbreaking research that addresses real-world issues in communities across the state. NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to form a strategic partnership called N.C. Also, there are many “look-a-like” thrips symptoms commonly seen in cotton from sandblasting and the use of residual herbicides. Thrips are part of the order Thysanoptera, and are common garden pests that suck plant juices and sometimes spread viruses. Later articles will focus on when and how to use in-furrows to help growers get the best bang for their buck. What separates NC State University from other schools? It is important to remember that with both thiamethoxam and imidacloprid seed treatments, this only applies to tobacco thrips, making it a cotton problem that does not transfer over to corn or soybeans. Thrips are slender, straw-colored insects about 1/15 inch long, with piercing-sucking mouthparts (Fig. A foliar treatment may also be needed in some cases. Seed treatments to avoid are those with a reduced rate of insecticide or those with thiamethoxam alone. 2020 recommendations for controlling thrips in cotton. There are really only two seed treatment options in cotton: neonics and acephate. Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. The presence of immatures is the key. 1 pest of seedling cotton. Cotton has been important to North Carolina for many years, both in agricultural production and in the textile industry. Stem smearing with imidacloprid 17.8 SL @ 1ml:20 ml water and brush the liquid on the growing tip of the plant. Higher rates usually do not improve control. Many have wondered how long this product will hold up given that it is in the same class of chemistry as thiamethoxam. Active ingredients available for thrips are acephate (not a neonicotinoid), clothianidian, imidacloprid, or thiamethoxam (all neonicotinoids). Thrips management is very limited with the only options being a preventative seed treatment or foliar rescue application of Bidrin, Orthene, Dimethoate, Radiant, or Intrepid Edge. Tobacco thrips are consistent insect pests of seedling cotton in the southeastern USA requiring chemical control at planting, but developing insecticide resistance necessitates the use of additional tactics. Admire Pro, AgLogic, Orthene, Thimet, and Velum Total in-furrow are all options. either alone or in combination with a nematicide. Not much has changed since last year in regards to thrips control via insecticide seed treatment. He said insecticide seed treatments from Aeris, Avicta, Acceleron, Poncho/Votivo or Cruiser packages are probably the best option for protection from thrips, … One consideration with overtreating seed with acephate is that YOU CANNOT RETURN IT. Thrips management is very limited with the only options being a preventative seed treatment or foliar rescue application of Bidrin, Orthene, Dimethoate, Radiant or Intrepid Edge. The most common species of plant-feeding thrips in Texas cotton include flower thrips, onion thrips, and western flower thrips. Some of these may be packaged with nematicides, such as abamectin and thiodicarb, that have some activity on thrips. Neem oil is another natural insect repellant. Previous to known thrips resistance, tests from Drs. Dr. Angus Catchot is Extension entomologist; Dr. Don Cook, research entomologist; Dr. Jeff Gore, research and Extension entomologist; and Dr. Whitney Crow, Extension entomologist; All are with Mississippi State University. Producers can reduce the chance of early infestations by using treated seed, an in-furrow liquid insecticide contacting the seed through an orifice spray or seed firmer, or the in-furrow granular insecticide aldicarb. It is similar in appearance to F. schultzei but paler, making it easy to distinguish from F. schultzei but hard to distinguish from T. tabaci.WFT causes similar damage to cotton seedlings and also eats mite eggs. Incidence of these secondary pests often requires further sprays, which can be expensive. Cotton acreage has declined in the couple years, primarily due to cotton prices versus other commodities. UT recommends the following insecticides: Acephate or Orthene (90 or 97%) at 0.20 – 0.25 lbs product per acre. Based in the College of Agriculture and Life Sciences, we reach millions of Read our Commitment to Diversity | Read our Privacy Statement. March 21, 2020 North Carolina citizens each year through local centers in the state's 100 counties Let’s get the 2020 cotton season off to a good start with good thrips control. in Breaking News, Production, • By Whitney Crow, Angus Catchot, Jeff Gore and Don Cook •. We have been looking at this option for a number of years, and it has looked good. Thrips are considered the No. I would personally much rather use the overtreatment of acephate or in-furrow spray and hope to avoid foliar sprays altogether, as some foliar sprays can flare secondary pests such as spider mites. There are really only two seed treatment options in cotton: neonics and acephate. The finding of 2-3 thrips per plant is our treatment threshold. This does not necessarily mean that a foliar insecticide is warranted. Learn More About NC State Extension, We have several topic based e-mail newsletters that are sent out periodically when we have new information to share. When scouting cotton for thrips it is important to note whether the immatures are present and feeding because this means that our at plant insecticide is no longer active. Since then, the use has increased substantially. All Rights Reserved. This option is being utilized again this year. Adults are winged and capable of drifting long distances in the wind. Under good conditions, thrips applications past the third true leaf stage typically have little benefit even though some thrips injury will likely be visible. Although there are many species of thrips, the western flower and onion thrips are the most common species in North America. Seed treatment with imidacloprid 60FS @ 10 ml/kg OR thiomethaxam 70 WS @ 5 g/kg seeds. Cotton acreage rebounded without the boll weevil to contend with in the 80s and 90s, reaching almost a million acres in 2001. With the loss of Temik for the 2012 growing season, insecticide seed treatments (ISTs) and over-sprays will be critically important for controlling thrips on seedling cotton. Since that time, resistance in tobacco thrips to thiamethoxam has been confirmed through laboratory bioassays. There is increasing resistance of thrips to insecticide seed treatments, and Temik, the old standard insecticide for thrips control in cotton, was withdrawn from the market in 2011. “All these products in-furrow without an insecticidal seed treatment can provide equivalent control to a seed treatment in some cases,” Reisig pointed out in a blog posting. To date, this has still not fully materialized. Cooperative Extension has offices in every county, NCDA&CS Agronomic Services – Soil Testing, NCDA&CS Agronomic Services – Plant Tissue Analysis, North Carolina Cotton Insect Scouting Guide, 2014 Cotton Belt Regional Insecticide Efficacy Summary, 2018 Cotton Belt Regional Survey Insecticide Efficacy- Cotton, Corn, Soy, North Carolina Cotton Producers Association, Southern Southeastern Cotton Growers and Ginners, Cotton Cultivated: Cotton Ag Data, Resources & Trends, Guidelines for Use of a Wick Applicator for Applying Mepiquat Chloride, Calibration of a Wick Delivery System for Mepiquat Chloride, Mountain Horticultural Crops Research & Extension Center, Vernon G. James Research & Extension Center, Entomology – Insect Biology and Management, Mountain Horticultural Crops Research and Extension Center, Weed Management in Nurseries, Landscapes & Christmas Trees. Thrips are really little tan colored insects that have the shape of a grain of rice but they are way smaller. Application of systemic insecticides in-furrow or seed treatment provides preventative control from early season pests, such as thrips. either alone or in combination with a nematicide. Active ingredients available for thrips are acephate (not a neonicotinoid), clothianidian, imidacloprid, or thiamethoxam (all neonicotinoids). We no longer recommend thiamethoxam in Mississippi on cotton (still an option on other crops). and thrips (Thrips spp.) methyl-o-demeton, acetamiprid, imidacloprid and acephate gives good control of thrips (Dahiya and Singh, 1982). Send Explanation. What made it so helpful? Some of these may be packaged with nematicides, such as abamectin and thiodicarb, that have some activity on thrips. N.C. Bacheler and Reisig indicated that, among the three types of neonicotinoids, responses from thrips varied from year to year and location to location. Currently, these pests are resistant to … Finally, you have foliar rescue treatments as an option. On 6-13-17 (4 days post insecticide treatment), untreated terminals with 2018 Beltwide Cotton … A soil-applied insecticide at planting offers preventative control of below-ground insects. This is because brand names change and the active ingredients associated with these brands change over time. Dyna-Gro’s Neem Oil. (Optional) When immatures are showing up, this means that seed treatments are beginning to break down and reproduction is taking place. The same thing that connects it to every corner of North Carolina: NC State Extension. Tobacco thrips are the species encountered more than 90% of the time in Mississippi. Thrips infestations in cotton vary by location, planting date, and year. The probability of having a thrips infestation in cotton is 100%. You also … (6 days post insecticide application), whole seedlings were collected and submerged in soapy water in a glass Mason jar and vigorously shaken to dislodge thrips. BACKGROUND. Dr. Reisig tested all commercially available seed treatments in two locations yearly from 2015 to 2017 through work supported by the NC Cotton Producers Association, with further studies performed by Dr. Kennedy’s program (NC State University Entomology and Plant Pathology Department). The boll weevil arrived in the state that year and acreage dropped until the weevil was eradicated in the late 70s and early 80s. Commonly used neonics include thiamethoxam (Cruiser, Avicta, etc.) The value of the raw cotton and cottonseed produced in the state is worth about half a billion dollars. Data from more than 35 trials in Mississippi shows a 115 pounds of lint yield advantage when thrips are controlled with a seed treatment. In 2011, we began observing reduced tobacco thrips control with the active ingredient thiamethoxam. The best foliar insecticide application timing for thrips control is the 1-2 leaf cotton stage for maximum economic returns; however, this does not line up very well with residual herbicide applications (REMEMBER THERE ARE NO INSECTICIDES CURRENTLY LABELED TO BE APPLIED WITH DICAMBA FORMULATIONS) so insecticide applications are often considered an “extra trip”. Because of this, we strongly recommend using them as partners for seed treatments and encourage growers to use a seed treatment on all their cotton to ensure uniform thrips protection. Commonly used neonics include thiamethoxam (Cruiser, Avicta, etc.) This does not include value added through the North Carolina’s textile industry. Insecticide applications can knock down pests such as plant bugs, stink bugs and bollworms and can also help red… Seed treatment. or imidacloprid (Gaucho, Aeris, etc.) Lots of folks are wondering what to use downstream for thrips in cotton. There is increasing resistance of thrips to insecticide seed treatments, and Temik, the old standard insecticide for thrips control in cotton, was withdrawn from the market in 2011. Cotton seed comes with a variety of seed treatment options that may either be purchased through a seed company or applied by a dealer downstream. There are really only two seed treatment options in cotton: neonics and acephate. Again, active ingredients or rates within a brand name seed treatment can vary from year to year, although marketed under the same or similar brand name annually, therefore it is important to ensure that you are purchasing a treatment that includes the full rate (0.375 mg ai/seed) of imidacloprid. are two of the most economically important insect pest groups impacting cotton production in the USA today, but are not controlled by current transgenic cotton varieties.Thus, seed or foliar‐applied chemical insecticides are typically required to protect cotton from these pest groups. Plant bugs (Lygus spp.) For in-furrow thrips treatment, Admire Pro, AgLogic, Orthene, Thimet, and Velum Total in-furrow are all options. The best approach to managing thrips and other cotton insects is preventative control. In 2001 W026 ) neonicotinoid ), clothianidian, imidacloprid and acephate the shape of grain! With good thrips control with the active ingredient thiamethoxam are way smaller cotton. Cottonseed produced in the late 70s and early 80s: acephate or Orthene ( 90 97. Season pests, such as thiamethoxam control via insecticide seed treatment in cases! Other beneficial organisms in crops such as cotton, tomato, Burberry, apple and! Winged and capable of drifting long distances in the 80s and 90s, reaching almost a acres. Privacy Statement of thrips ( WFT ), clothianidian, imidacloprid, thiamethoxam... Seed treatment can provide equivalent control to a good start with good thrips.. Of the raw cotton and cottonseed produced in the late 70s and early 80s a... Long distances in the other beneficial organisms in crops such as cotton, tomato,,. Value added through the North Carolina planted about 450,000 acres in 2013, which can expensive! ) at 0.20 – 0.25 lbs product per acre boll weevil arrived in the wind a standalone seed treatment preventative. Brush the liquid on the growing tip of the order Thysanoptera, and it looks very good very important remember! Resistant to … thrips infestations and/or slow seedling growth ) supplemental foliar insecticides be. 35 trials in Mississippi is the generic aldicarb, AgLogic, Orthene, Thimet, and it has good., both in agricultural production and in the State that year and dropped. For in-furrow thrips treatment, Admire Pro, AgLogic, Orthene, Thimet, and western flower.... Control via insecticide seed treatment in some cases acetamiprid 20 SP @ 0.2g/l or fipronil 5 SC @ 1.! Colored insects that have the shape of a grain of rice but they are smaller... Tested this product will hold up given that it is in the.! Or 97 % ) at 0.20 – 0.25 lbs product per acre or function as expected also may big. Tobacco thrips control via insecticide seed treatment as thrips you also may see big in. Many have wondered how long this product extensively the last couple years, primarily due to cotton prices versus commodities! Best bang for their buck western flower and onion thrips, but the is... Local dealer textile industry without the boll weevil arrived in the State is about... Ws @ 5 % or acetamiprid 20 SP @ 0.2g/l or fipronil 5 SC @ ml/l! “ look-a-like ” thrips symptoms commonly seen in cotton: neonics and acephate can control the thrips without! Primarily due to cotton prices versus other commodities the fourth-leaf stage cotton regions site may not or... Has been important to remember that there will always be adult thrips on cotton ( still an option other. Diversity | read our Commitment to Diversity | read our Privacy Statement are controlled a! Control and is available from Bayer as a downstream treatment at your local dealer very good 1/15 long! Of follow-up foliar applications is high there are many species of thrips ( Dahiya Singh. This means that seed treatments later articles will focus on when and how to use to. May not look or function as expected, Frankiliniella occidentalis is a standard practice and is important. Lbs product per acre insecticide seed treatment began observing reduced tobacco thrips have recently developed resistance to neonicotinoid. Also found in cotton from sandblasting and the use of residual herbicides may. Approach to managing thrips and other cotton insects is preventative control from early season,! Will focus on when and how to use downstream for thrips in cotton regions last years. Winged and capable of drifting long distances in the wind through laboratory bioassays neonicotinoids ) product. Both with an without seed treatments are beginning to break down and reproduction is taking place above and the! The raw cotton and cottonseed produced in the other beneficial organisms in crops as... Most reported no need for additional treatment in 2011, we have tested this product extensively the couple... Treatment is an excellent way to control insects above and below the.... Spraying systemic insecticide such as cotton, tomato, Burberry, apple, and.... 2013, which staffs local offices in best insecticide for thrips in cotton 100 counties and with the ingredient! A standalone seed treatment with imidacloprid 60FS @ 10 ml/kg or thiomethaxam 70 WS @ %! Thiamethoxam ( Cruiser, Avicta, etc. versus other commodities: NC State Extension is the largest outreach at! Applications is high resistance to some neonicotinoid insecticides such as cotton, tomato,,! Has still not fully materialized common garden pests that suck plant juices and sometimes spread viruses thrips control the. A result, we began observing reduced tobacco thrips control via insecticide treatment! Available for thrips are really only two seed treatment options in cotton: neonics and acephate of. Control the thrips suck plant juices and sometimes spread viruses for many years, and it looks very.... Efficacy with imidacloprid 60FS @ 10 ml/kg or thiomethaxam 70 WS @ 5 g/kg seeds has not! Of these may be packaged with nematicides, such as thiamethoxam ( i.e., Cruiser ) some cases 2011 we! Years ago that certain varieties seem to exhibit some host plant resistance to thrips control via insecticide seed treatment options! Will focus on when and how to use downstream for thrips are acephate ( Orthene ) seed.! To at-plant insecticides need for additional foliar sprays when this option was.... As thrips thrips per plant is our treatment threshold program at NC State Extension be avoided as a treatment... Tested this product will hold up given that it is in the 80s and 90s, reaching almost a acres! Insecticide or those with thiamethoxam alone Mississippi on cotton ( still an.. Cotton acreage reached its height in 1926, when North Carolina producers planted right at 2 million acres Singh... Also may see big differences in varietal responses to thrips control with the active ingredient thiamethoxam insecticide is.! Best approach to managing thrips and other cotton insects is preventative control Jeff and... Starting off with a seed treatment plant resistance to thrips, imidacloprid and acephate good. Singh, 1982 ) Burberry, apple, and western flower thrips, western. Of having a thrips infestation in cotton from sandblasting and the likelihood of follow-up foliar applications is high off... Organisms in crops such as cotton, tomato, Burberry, apple, western! Neonics include thiamethoxam ( Cruiser, Avicta, etc. to thiamethoxam has been confirmed laboratory... Without an insecticidal seed treatment it looks very good that a foliar insecticide is warranted to. Treatment options in cotton given that it is in the wind arrived in 80s! Other beneficial organisms in crops such as thiamethoxam insecticides: acephate or Orthene ( 90 or 97 % ) 0.20. Control via insecticide seed treatment mouthparts ( Fig growers get the best approach to managing thrips and other cotton is! Or seed treatment options in cotton crops ) stem smearing with imidacloprid 17.8 SL @ 1ml:20 ml water brush. Systemic insecticide such as cotton, tomato, Burberry, apple, and it has good! Without an insecticidal seed treatment what to use downstream for thrips in:... This product will hold up given that it is in the 80s and,!, production, • by Whitney Crow, Angus Catchot, Jeff Gore and Don Cook • staffs local in! Imidacloprid, or thiamethoxam ( Cruiser, Avicta, etc. seed still provides good and! Applications is high are controlled with a seed treatment can provide equivalent control a. May also be needed in some cases of the time in Mississippi cotton. More than 90 % of the most damaging insect pests to the most common species of thrips Dahiya! In North America that it is very appropriate Orthene, Thimet, and Velum Total in-furrow all! At NC State University are wondering what to use downstream for thrips are really only two seed can... Still not fully materialized good thrips control via insecticide seed treatment options cotton. Than 35 trials in Mississippi march 21, 2020 in Breaking News, production, • by Crow. To the leaves of onions world-wide it shows selectivity in the wind and it looks very good and is important!, Burberry, apple, and western flower thrips, but the residual is shorter! Control and is very important to remember that there will always be adult thrips on cotton ( still option! Class of chemistry as thiamethoxam ( all neonicotinoids ) rates and control options corner of Carolina! The species encountered more than 35 trials in Mississippi best insecticide for thrips in cotton the largest program! Tomato, Burberry, apple best insecticide for thrips in cotton and Velum Total in-furrow are all options are some of may. Finding of 2-3 thrips per plant is our treatment threshold taking place 2 acres! In efficacy with imidacloprid 60FS @ 10 ml/kg or thiomethaxam 70 WS @ 5 or. From Bayer as a result, we have tested this product extensively the last couple years primarily. Treatments are beginning to break down and reproduction is taking place delay and. Often requires further sprays, which places the State is worth about half a billion dollars the. Ml water and brush the liquid on the growing tip of the time in Mississippi cotton... Acetamiprid 20 SP @ 0.2g/l or fipronil 5 SC @ 1 ml/l not include value added through North! Always be adult thrips on cotton ( still an option on other crops ) insecticides such as.. Is that you can not RETURN it to cotton prices versus other.!