peanut tolerance to kih-485 in georgia
DESCRIPTION
Peanut Tolerance to KIH-485 in Georgia. E. P. Prostko and T.L Grey Department of Crop & Soil Sciences The University of Georgia. APRES-2008. KIH-485. Pyroxasulfone Kumiai Developed for corn and soybeans PRE Herbicide Family Sulfonylioxazoline (?) Herbicide Mode of Action (?) - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/1.jpg)
Peanut Tolerance to KIH-485 in Georgia
E. P. Prostko and T.L GreyDepartment of Crop & Soil Sciences
The University of Georgia
APRES-2008
![Page 2: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/2.jpg)
KIH-485
• Pyroxasulfone• Kumiai• Developed for corn and soybeans• PRE• Herbicide Family
– Sulfonylioxazoline (?)Sulfonylioxazoline (?)• Herbicide Mode of Action (?)
– plant growth inhibitor that affects apical plant growth inhibitor that affects apical meristem and coleoptile development of meristem and coleoptile development of plants after seed germinationplants after seed germination
• Low use rates
![Page 3: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/3.jpg)
KIH-485Literature Review• Steele et al., Weed Technology. 2005. 19:866-869. (TX)
– Texas panicum (66-90% control)– Palmer amaranth (97-98% control)– Velvetleaf (90-97% control)
• Geier et al., Weed Technology. 2006. 20:622-626. (KS)– Longspine sandbur (64-75% control)– Green foxtail (78-100% control)– Palmer amaranth (80-99% control)– Puncturevine (86-100% control)
• King et al., Weed Technology. 2007. 21:578-582. (VA)– Shattercane (64-93% control)
![Page 4: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/4.jpg)
Texas Panicum Control in Georgia Field Corn with KIH-485 Applied PRE (Photo @ 53 DAT) - 2007
NTC KIH-485 85WG @ 4.2 oz/A(0.223 lb ai/A)
![Page 5: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/5.jpg)
Wild Radish Control in Georgia Field Corn with KIH-485 Applied PRE (Photo @ 43 DAT) - 2007
NTC KIH-485 85WG @ 1.67 oz/A(0.089 lb ai/A)
![Page 6: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/6.jpg)
Tropical Spiderwort Control in Georgia Peanuts with KIH-485 (15 DAT) - 2007
NTC Gramoxone Inteon @ 12 oz/AKIH-485 @ 4.2 oz/A
Storm @ 12 oz/A80/20 @ 0.25% v/vPE-10-07
NTC
![Page 7: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/7.jpg)
Objective
• Evaluate the response of peanut to PRE and POST applications of KIH-485.
![Page 8: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/8.jpg)
Materials and Methods
• 2 locations (2007)– Tifton– Plains
• Weed-free• factorial design
– Timing (2)• PRE or POST
– Rate (5)• KIH-485 85WG• 0,2,4,6,8 oz/A
– 80/20 @ 0.25% v/v added to POST
• Small-plot techniques
![Page 9: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/9.jpg)
Materials and MethodsLocations
* *
![Page 10: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/10.jpg)
Materials and Methods
Tifton Plains
Planting Date May 8 May 8
Variety AP-3 Georgia Green
PRE May 10 May 8
POST June 21 (44 DAP)
R2 Stage
June 28 (51 DAP) R1 Stage
Digging Date September 17 September 17
Harvest Date September 26 September 25
![Page 11: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/11.jpg)
Materials and Methods
Tifton Plains
pH 6.0 6.5
OM (%) 0.97 < 0.8
Sand (%) 94 69
Silt (%) 4 15
Clay (%) 2 16
![Page 12: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/12.jpg)
Results
• No interaction between timing or rate at either location.
• No significant crop injury was observed.
– (≤ 10% stunting)
• No effect on TSWV.
![Page 13: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/13.jpg)
The influence of KIH-485 85WG timing on peanut yield.
4729 46684660 4662
0
1000
2000
3000
4000
5000
Tifton Plains
Location
lbs/
A .
PRE POST
(P = 0.398) (P = 0.965)
Averaged over 5 rates (0, 2, 4, 6, 8 oz/A)
![Page 14: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/14.jpg)
The influence of KIH-485 85WG rate (oz/A) on peanut yield.
4789 49314665 46534730 4715
4564 461147264415
0
1000
2000
3000
4000
5000
Tifton Plains
Location
lbs/
A .
0 2 4 6 8
(P = 0.171) (P = 0.174)
Averaged over 2 timings (PRE and POST)
![Page 15: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/15.jpg)
Peanut Response to KIH-485 (2007)
NTC KIH-485 85WG @8.0 oz/A
PRE
KIH-485 85WG @8.0 oz/A + 80/20 @
0.25% v/vPOST
PD = May 8PRE = May 10POST = June 21PHOTO = June 29Ponder Farm
![Page 16: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/16.jpg)
Summary• Peanut had acceptable
tolerance to PRE and POST applications of KIH-485 in 2007.
• Similar studies are being repeated in 2008.– Injury at Plains
• Moisture may be major a factor that influences peanut tolerance to KIH-485.
• POST treatments only??
![Page 17: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/17.jpg)
Peanut Response to KIH-485 (2008)
NTC KIH-485 85WG @8.0 oz/A
PREPD = May 12PRE = May 13PHOTO = May 28Ponder Farm
![Page 18: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/18.jpg)
Peanut Response to KIH-485 (2008)
NTC KIH-485 85WG @8.0 oz/A
PRE
KIH-485 85WG @8.0 oz/A + 80/20 @
0.25% v/vPOST
PD = May 12PRE = May 13POST = June 25PHOTO = July 8Ponder Farm
![Page 19: Peanut Tolerance to KIH-485 in Georgia](https://reader036.vdocuments.us/reader036/viewer/2022081603/56813fef550346895daaf925/html5/thumbnails/19.jpg)
www.gaweed.com