{"id":1159,"date":"2017-08-17T19:57:05","date_gmt":"2017-08-17T19:57:05","guid":{"rendered":"http:\/\/agrilife.org\/texasrowcrops\/?p=1159"},"modified":"2017-09-08T19:53:02","modified_gmt":"2017-09-08T19:53:02","slug":"wheat-variety-grain-picks-for-the-texas-high-plains-2017-2018","status":"publish","type":"post","link":"https:\/\/agrilife.org\/texasrowcrops\/2017\/08\/17\/wheat-variety-grain-picks-for-the-texas-high-plains-2017-2018\/","title":{"rendered":"Wheat Variety Grain Picks for the Texas High Plains\u20142017-2018"},"content":{"rendered":"

by Dr. Calvin Trostle, Extension Agronomy, TAMU Soil & Crop Sciences, Lubbock, (806) 723-8432, ctrostle@ag.tamu.edu<\/a><\/p>\n

Dr. Jourdan Bell, Extension Agronomy, TAMU Soil & Crop Sciences, Amarillo, (806) 677-5600, jourdan.bell@ag.tamu.edu<\/a><\/p>\n

Texas A&M AgriLife Staff in Amarillo and Lubbock have designated our annual wheat grain variety \u201cPicks\u201d for the 2017-2018 Texas High Plains cropping season.\u00a0 Our ongoing Picks criteria include a minimum of three years of irrigated or dryland data in Texas A&M AgriLife High Plains wheat variety trials across numerous annual locations.<\/p>\n

Also, a \u201cPick\u201d variety means this: \u00a0\u201cGiven the data these are the varieties we would choose to include and emphasize on our farm for wheat grain production.\u201d<\/p>\n

Picks are not necessarily the numerical top yielders as important disease resistance traits (leaf or stripe rust, wheat streak mosaic virus), insect tolerance (greenbugs, Russian wheat aphid, wheat curl mite), or standability can also be important varietal traits that enable a producer to better manage potential risk.<\/p>\n

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Table 1.<\/strong>\u00a0 Texas A&M AgriLife wheat grain variety Picks for the Texas High Plains based on yield performance and consistency based on over 30 multi-year, multi-site irrigated and dryland trials harvested in 2014-2017.\u00a0 Leaf rust and stripe rust reactions are included (see footnote).<\/p>\n

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Wheat Variety “Picks”, Texas High Plains. 2017-2018<\/strong><\/p>\n<\/td>\n<\/tr>\n

Full Irrigation#<\/u><\/strong><\/td>\nLimited Irrigation<\/u><\/strong><\/td>\nDryland<\/u><\/strong><\/td>\n<\/tr>\n
<\/td>\nTAM 112 (S\/S)&<\/td>\nTAM 112<\/td>\n<\/tr>\n
TAM 113 (R\/R)<\/td>\nTAM 113<\/td>\nTAM 113<\/td>\n<\/tr>\n
TAM 114 (MR\/R)<\/td>\nTAM 114<\/td>\nTAM 114<\/td>\n<\/tr>\n
TAM 304 (R\/MR)<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
WB Grainfield (MR\/R)<\/td>\nWB Grainfield<\/td>\nWB Grainfield<\/td>\n<\/tr>\n
Iba (R\/MR)<\/td>\nIba<\/td>\nIba<\/td>\n<\/tr>\n
<\/td>\nT158 (MS\/MR)<\/td>\nT158<\/td>\n<\/tr>\n
Winterhawk (MS\/MR)<\/td>\nWinterhawk<\/td>\nWinterhawk<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

#Full irrigation in the Texas & eastern NM High Plains reflects a production system that also is oriented to ample nitrogen fertilizer applications and likely fungicide application, in particular for leaf rust and stripe rust even when infection is minimal or perhaps even not evident (preventive applications).<\/p>\n

&Leaf rust\/stripe rust resistance ratings:\u00a0 R, Resistant; MR, moderately resistant; MS, moderately susceptible; and S, susceptible<\/p>\n

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There is only one change to new High Plains pick list for the forthcoming wheat cropping season.<\/p>\n

Deletion in 2017<\/u><\/p>\n

\u00a0<\/strong>After a two-year debate, we removed TAM 111 as a limited irrigation and dryland Pick (removed as a full irrigation Pick for the 2015-2016 cropping season).\u00a0 It is important that producers understand the basis for our decision<\/u>.\u00a0 Yes, TAM 111 remains by far the most widely planted variety in the Texas High Plains, but we observe increased inconsistent performance.\u00a0 It is still outstanding in some cases, especially high-input systems with optimum fertility and fungicide management, but poor in others.\u00a0 TAM 111 underperformance in some irrigated trials is as much as 20% below trial averages. \u00a0The reduction in TAM 111 performance is in great part due to lack of any meaningful resistance or tolerance to leaf and especially stripe rust, the latter prevalent in the past three springs throughout much of the Texas High Plains.\u00a0 Our numbers no longer support TAM 111 as a Pick, especially when we have other Pick varieties less susceptible to the rusts (e.g., TAM 113, TAM 114, Iba, Grainfield).<\/p>\n

Is it OK to still plant TAM 111?<\/u><\/p>\n

Yes.\u00a0 There is a lot of saved seed and many producers will still purchase TAM 111 for the 2017-2018 cropping season.\u00a0 But be aware that TAM 111 success relative to other Pick varieties and wheat varieties in general may likely depend on drier conditions (less potential for rusts) and use of a fungicide even if infection levels are light or even simply as preventative (which we wouldn\u2019t recommend for a moderately resistant or resistant variety)\u2014we recommend you budget a fungicide application for TAM 111 on both irrigated and dryland.\u00a0 Given these concerns AgriLife urges producers to at least consider reducing any high percentage of your overall acres of this one variety.<\/p>\n

For Further Discussion<\/u><\/p>\n

Additional discussion of the wheat grain variety Picks is posted at http:\/\/lubbock.tamu.edu\/programs\/crops\/wheat\/<\/a>\u00a0 By mid-August we will have the supporting tables calculated that provide not only the annual results from the 2017 harvest but also all available two-, three-, and four-year regional averages for yield and test weight across both irrigated and dryland trials in the High Plains.\u00a0 In addition, the online information includes:<\/p>\n