Plant Sciences & Plant Pathology
Permanent URI for this communityhttps://scholarworks.montana.edu/handle/1/12
The Department of Plant Sciences and Plant Pathology is part of the College of Agriculture at Montana State University in Bozeman. An exciting feature of this department is the diversity of programs in Plant Biology, Crop Science, Plant Pathology, Horticulture, Mycology, Plant Genetics and Entomology. The department offers BS, MS, and Ph.D. degree program
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Item Registration of ‘Lustre’ durum wheat(Wiley, 2022-08) Hogg, Andrew C.; Carr, Patrick; Eberly, Jed; Chen, Chengci; Kowatch‐Carlson, Calla; Crutcher, Frankie; Lamb, Peggy F.; McNamara, Kyla; Haney, Eleri; Kephart, Ken D.‘Lustre’ (Reg. no. CV-1193, PI 695072) is a spring durum wheat [Triticum turgidum L. ssp. durum (Desf.)] developed by the Montana Agricultural Experiment Station and released in 2020. Lustre was bred using the single seed descent method and was selected for its yield performance under dryland conditions across Montana, low grain Cd accumulation, good pasta firmness, high grain protein, high yellow semolina color, and low semolina ash. Lustre performs well in both the north central and northeast regions of Montana, where most Montana durum is produced and intended for pasta production. Lustre has similar stripe rust tolerance and susceptibility as top-grown durum cultivars in the state with susceptibility at the seedling stage and high-temperature adult-plant resistance. Lustre is moderately susceptible to Fusarium head blight like other durum cultivars. Lustre is resistant to the predominant races of stem and leaf rust and is moderately tolerant to fungal leaf spot complex. Lustre is approximately 89 cm tall, with a yellow green color and a heading date 1 d later than the cultivar ‘Mountrail’. Lustre has an erect flag leaf and an erect tapering head having white glumes and awns.Item Registration of ‘StandClear CLP’ hard red winter wheat(2020-06) Berg, Jim E.; Kephart, Ken D.; Lamb, Peggy F.; Davis, Edward S.; Eberly, Jed O.; Miller, John H.; Chen, Chengci; Pradhan, G. P.; Torrion, Jessica A.; Ramsfield, Ron; Smith, Vincent H.; Nash, Deanna L.; Holen, Doug L.; Cook, Jason P.; Gale, Sam; Jin, Yue; Chen, X.; Bruckner, Phil L.‘StandClear CLP’ (Reg. no. CV-1162, PI 693236) hard red winter (HRW) wheat (Triticum aestivum L.) was developed and released by the Montana Agricultural Experiment Station and exclusively licensed to Loveland Products, Inc., in 2020. StandClear CLP is a two-gene Clearfield, semisolid-stem wheat intended for use with the selective imidazolinone (IMI) herbicide imazamox. StandClear CLP resulted from a cross of MTS0531 to an IMI herbicide tolerant F1 plant from a population segregating for two acetohydroxyacid synthase (AHAS) genes [TaAHAS1D and TaAHAS1B]. Original herbicide tolerance donors were IMI ‘Fidel’ (TX12588*4/FS2, BASF) for allele TaAHAS1D via descended experimental lines MTCL0309 and MTCL0510, and proprietary hard red spring wheat line CDC Teal 11A (BASF Corporation) for allele TaAHAS1B. StandClear CLP was selected as a F6:7 headrow in 2014 following multiple cycles of phenotypic mass selection for IMI herbicide tolerance and stem solidness. StandClear CLP was tested under the experimental number MTCS1601 from 2016 to 2019 in Montana for field performance, herbicide tolerance, and end-use quality. StandClear CLP is a high-yielding, Clearfield HRW wheat cultivar with intermediate stem solidness, moderate host plant resistance to wheat stem sawfly, and acceptable milling and baking quality.Item Warm-Season Forage Options in Northern Dryland Regions(2020-06) Carr, Patrick M.; Boss, Darrin L.; Chen, Chengci; Dafoe, Julia M.; Eberly, Jed O.; Fordyce, Simon; Hydner, Roger M.; Fryer, Heather K.; Lachowiec, Jennifer A.; Lamb, Peggy F.; McVay, Kent A.; Khan, Qasim A.; Miller, Perry R.; Miller, Zachariah J.; Torrion, Jessica A.Rotating summer fallow with wheat (Triticum spp.) is done in dryland grain farming at upper latitudes to stabilize yields over time and to prevent crop failure. However, summer fallow is costly since weeds must be controlled and crops are not grown. Replacing summer fallow with grain crops can generate low economic returns. Previous research indicated that annual cool‐season forages can be substituted for summer fallow in dryland cropping systems. Our objective was to determine if annual warm‐season species were suited for forage production in monocultures and polycultures in the U.S. northern Great Plains. Dry matter (DM) production by 20 warm‐ and cool‐season crop monocultures and 4 polycultures was determined across six environments during 2016, and by 25 warm‐ and cool‐season crop monocultures and polycultures across four environments from 2016 through 2018. Maize (Zea mays L.) monoculture produced forage DM in amounts equal to, or greater than, those produced by other warm‐ and cool‐season crop treatments (P < 0.05). Maize DM production averaged 2.5 to 5.7 Mg ha−1, depending on the study and environment. Sorghum (Sorghum bicolor L.), foxtail millet [Setaria italica (L.) P. Beauv.] and sunflower (Helianthus annuus L.) also produced relatively large amounts of forage DM. Polycultures failed to produce more DM than monocultures consistently (P > 0.40). These results indicate that maize and other warm‐season crops are adapted for dryland forage production in cool regions at upper latitudes. Additional research is needed to determine the impacts of annual warm‐season forages on grain yield in a forage‐wheat crop sequence.Item Registration of ‘Dagmar’ hard red spring wheat(2020-02) Heo, Hwa-Young; Lanning, Susan P.; Lamb, Peggy F.; Nash, Deanna L.; Wichman, David M.; Eberly, Jed O.; Carr, P.; Kephart, Ken D.; Stougaard, Robert N.; Torrion, Jessica A.; Miller, J.; Chen, Chengci; Holen, Doug L.; Blake, Nancy K.; Talbert, Luther E.‘Dagmar’ hard red spring wheat (Triticum aestivum L.) (Reg. no. CV‐1158, PI 690450) was released by the Montana Agricultural Experiment Station because of its excellent yield potential in dryland areas of Montana, solid stems, and superior end‐use quality. Dagmar was a selection from the cross MT1133/MT1148 and was tested as experimental line MT1621. Dagmar has similar grain yield potential to ‘Vida’, the most widely grown cultivar in Montana. Stems of Dagmar are more solid than those of Vida, suggesting increased resistance to the wheat stem sawfly (Cephus cinctus Norton). Dagmar has higher grain protein and stronger gluten than Vida. Thus, Dagmar should be useful in Montana and adjoining states facing drought and wheat stem sawfly pressure.