Agronomy Department

Hettinger Research Extension Center

Work Completed in 1998

Drill Strips, HRSW - 40 cultivars, Durum - 40 cultivars, Barley - 19 cultivars, Oats - 19 cultivars, Flax - 1 cultivar, Proso millet - 3 cultivars.

Drill strips are grown to increase seed for future use at the research center. Harvested seed is also sent to Fargo for grain quality analysis. These strips are also used for demonstration during the annual summer field tours. Status: Ongoing.

Hard Red Winter Wheat Variety Trial, 36 cultivars

This trial is composed of established and experimental varieties and is used to determine agronomic and quality parameters of individual varieties. The information is used by growers to assist them with variety selection and by plant breeders to determine adaptation of elite experimental lines for release to the general public. Status: Ongoing.

Hard Red Winter Wheat Northern Regional Performance Nursery, 28 cultivars

This trial is composed of experimental cultivars developed by plant breeders located throughout the great plain states. The information is used to assist plant breeders in determining cultivar adaptation and performance of agronomic traits (plant height, insect resistance, etc.) used in variety development. Status: Ongoing.

Hard Red Winter Wheat Advanced Yield Trial, 45 cultivars

This trial is composed of experimental cultivars from the North and South Dakota winter wheat breeding programs. The information is used by plant breeders to assist them in selecting elite cultivars for further development and for selection and adaptation of specific agronomic and genetic traits. Status: ?.

Dormant Seeding Trial, 8 treatments

This trial is composed of three winter wheat varieties and one variety each of spring wheat, field pea, canola, mustard and canaryseed. Information is being collected on late Fall seeding methods, crops and varieties. Status: Ongoing.

Winter Rye Variety Trial, 4 cultivars

Durum Variety Trial, 41 cultivars

Hard Red Spring Wheat Variety Trial, 51 cultivars

Barley Variety Trial, 19 cultivars

Western Regional Dryland Spring Barley Nursery, 31 cultivars

This trial is composed of experimental cultivars developed by plant breeders located throughout the western United States and Canada. The information is used to assist plant breeders in determining cultivar adaptation and performance of agronomic traits (plant height, insect resistance, etc.) used in variety development. Status: Ongoing.

Low Protein Barley Nursery, 20 cultivars

This trial is composed of experimental cultivars that produce low grain protein and were developed by the NDSU barley breeding program. The information is used to assist the NDSU barley breeding program in the development of low protein barley varieties (malting varieties) adapted to the Western Dakotas. Status: To be continued in 2000.

Oat Variety Trial, 29 cultivars

Naked Oat Nursery, 36 cultivars

This trial is composed of experimental cultivars that have been developed throughout the United Stated and Canada and that produce a naked or hulless kernel. The information is used to assist the NDSU oat breeding program in the development of varieties adapted to the Western Dakotas. Status: Ongoing.

Canary Seed Variety Trial, 3 varieties

Spring Triticale Variety Trial, 4 varieties

Canola Varity Trial, 36 varieties

This trial is composed of established varieties submitted by seed companies and tested for a fee. The information is used by growers to assist them with variety selection and by seed companies to assist them in determining adaptation. Status: Ongoing.

Canola Seeding Date Trial, 7 planting dates

This trial was established to determine optimum planting dates for canola in southern and western North Dakota and to provide information to the USDA Risk Management Agency (Federal Crop Insurance). The trial was a cooperative effort between and was duplicated at the research stations at Williston, Minot and Carrington. The project was funded by the ND Oilseed Council. Status: Completed.

Mustard Variety Trial, 6 varieties

This trial is composed of established varieties and is used to determine adaptation and agronomic parameters of individual varieties. The information is used by growers to assist them with variety selection. Four of the varieties were yellow types, the remaining two were oriental. Status: Ongoing.

Crambe Variety Trial, 21 cultivars

Flax Variety Trial, 22 cultivars

Safflower Variety Trial, 13 cultivars

Lentil Variety Trial, 7 varieties

This trial is composed of established varieties and is used to determine adaptation and agronomic parameters of individual varieties. The information is used by growers to assist them with variety selection. Chilean, red and Persian types were represented in this trial. Status: Ongoing.

Field Pea Variety Trial, 10 varieties

Chickpea Variety Trial, 4 varieties

This trial is composed of established varieties and is used to determine adaptation and agronomic parameters of individual varieties. The information is used by growers to assist them with variety selection. Desi and Kaboli types were represented in this trial. Status: Ongoing.

Dry Edible Bean Variety Trials, Pinto bean, Navy bean, Soybean and other bean types

Pearl Millet Variety Demonstration, 8 varieties

This unreplicated demonstration was composed of established varieties and was used to determine adaptation and agronomic parameters of individual varieties. The information is used by growers to assist them with variety selection. Status: ?.

Buckwheat Variety Trial, 5 varieties

This trial is composed of established varieties and is used to determine adaptation and agronomic parameters of individual varieties. The information is used by growers to assist them with variety selection. This trial froze out in June and was abandoned. Status: Ongoing.

Buckwheat Breeder Nursery, 16 cultivars

This trial was composed of experimental cultivars and was used to determine adaptation, quality and agronomic parameters of individual lines. The information is used to assist plant breeders in determining cultivar adaptation and performance of agronomic and quality traits used in variety development. Status: ?.

Hybrid Corn Trial, 21 hybrids

This trial is composed of established varieties submitted by seed companies and tested for a fee. The trial was grown at Reeder. The information is used by growers to assist them with variety selection and by seed companies to assist them in determining adaptation. Status: Ongoing.

Corn Production Trial, 36 treatments

This trial was designed to determine optimum row spacing and plant populations for corn grown for grain. The trial has three row spacings (14", 28", 42"), four populations (12, 18, 24, 30K), and three hybrids with relative maturities of 79, 86 and 93 days. The information will be used by producers to assist them in optimizing production practices. Status: 1 or 2 more years.

Hybrid Sunflower Trial, 50 hybrids

Affect of Delayed Harvest on Sunflower Performance, 10 treatments

This trial was conducted to determine how delaying harvest influences agronomic and quality characteristics of sunflower. The trial was grown at Reeder and consisted of two different hybrids that were harvested at two week intervals beginning when seed moisture reached 20%. The trial was a cooperative trial with the NDSU Department of Plant Sciences and funded by the National Sunflower Association. Status: 1 more year.

Specialty Crops Trial, 26 crops

This trial was conducted to screen various specialty crops for adaptation. Crops included Quinoa, Echium, Sesame, Mung bean, Adzuki bean, Peanut, Tobacco, Feverfew, Amaranth, Borage, Fennel, Chia, Poppy, Dill, Anise, Cumin, Camolina, Radish, Fenugreek, Coriander, Spring rye, Echinacea, Black lovage, Caraway, Hyssop and Chickory. Status: Ongoing.

Cool Season Annual Forage Trial, 11 treatments

This trial was conducted to determine yield differences between various cool season forage crops. The trial included cool season grasses (triticale, barley and oats), cool season broadleaves (field peas, lentils, fenugreek and safflower) and grass/broadleaf mixtures (triticale/pea and oat/pea). The information is used by growers to assist them with crop and variety selection. Status: Terminated.

Warm Season Annual Forage Trial, 8 treatments

This trial was conducted to determine yield differences between various warm season forage crops. The trial consisted of corn, oats, sorghum, sudangrass, sorghum/sudan hybrid and millet. The information is used by growers to assist them with crop and variety selection. Status: Terminated.

Millet Hay Variety Trial, 12 varieties

This trial was conducted to determine yield differences between millet varieties. The information is used by growers to assist them with variety selection. Status: Terminated.

Oat Hay Variety Trial, 13 varieties

This trial was conducted to determine yield differences between oat varieties. The information is used by growers to assist them with variety selection. Status: Terminated.

Off Station Small Grain Variety Trials, Scranton, Regent, New Leipzig, Selfridge and Mandan

Twelve hard red spring wheat varieties, six durum varieties, five barley varieties and six oat varieties were tested for yield, agronomic and quality at five southwestern North Dakota locations. The trials are used for demonstration purposes during the annual field tours and to enhance the data base on varietal adaptation. The information is used by growers to assist them with variety selection. Status: Ongoing.

Maverik Herbicide Trial, 55 treatments

This trial was conducted to determine optimum application rates, application timing and methods of soil incorporation of Maverik herbicide. Maverik is a grassy weed herbicide intended for use on spring and winter wheat. The main weed that this herbicide is targeted for is cheatgrass although it also controls wildoats and foxtails. The information collected will be used by the manufacturer to develop guidelines for proper application methods. Status: Completed.

Peak Herbicide Carryover Trial, 42 treatments

This trial was conducted to determine crop rotational intervals for ground treated with Peak herbicide. Peak is a broadleaf weed herbicide used in small grain crops. It breaks down in the soil at a relatively slow rate and thus provides the grower with an extended period of weed control. This long residual can also affect the following rotational broadleaf crop. This trial looked at five different broadleaf crops established the year following Peak applications. The information will be used by the manufacturer to establish rotational restrictions. Status: Completed.

Varietal Tolerance to Far-Go Herbicide, 80 treatments

This trial was conducted to screen spring wheat and durum varieties for tolerance to Far-Go herbicide. Far-Go herbicide is a soil applied herbicide used in small grain crops to control wildoats. It is known that some varieties of spring wheat are susceptible to injury when treated with this herbicide. Because of our access to experimental varieties, we are able to screen varieties to determine their susceptibility prior to being released to the public. The information is used by the manufacturer to establish varietal restrictions. Status: Ongoing.

Control of Leafy Spurge with Plateau Herbicide, 15 treatments

This trial was conducted to determine the effectiveness of Plateau herbicide on leafy spurge control. Plateau herbicide is a new compound being developed for use on rangeland and non-crop land for the control of aggressive broadleaf weeds (leafy spurge, canada thistle and field bindweed). The trial was conducted to determine application rates, application timing, weed control and injury to native vegetation. The information will be used by the manufacturer to establish application guidelines. Status: 1 more year.

Varietal Tolerance to Avenge Herbicide, 80 treatments

This trial was conducted to screen spring wheat and durum varieties for tolerance to Avenge herbicide. Avenge herbicide is a post-applied herbicide used in small grain crops to control wildoats. It is known that some varieties of spring wheat and durum are susceptible to injury when treated with this herbicide. Because of our access to experimental varieties, we are able to screen varieties to determine their susceptibility prior to being released to the public. The information is used by the manufacturer to establish varietal restrictions. Status: Ongoing.

Achieve / Broadleaf Herbicide Tankmix Trial, 15 treatments

This trial was conducted to determine synergistic and antagonistic interactions of Achieve herbicide tank mixes with broadleaf weed herbicides. Achieve is a new herbicide developed for wildoat and foxtail control in small grain crops. This trial looked at enhanced or reduced weed control and crop injury when various broadleaf weed herbicides were applied together with Achieve. The information will be used by the manufacturer to establish tank mix guidelines. Status: Completed.

Wild Oat and Foxtail Herbicide Trial, 17 treatments

This trial was conducted to determine the effectiveness of various herbicides, herbicide combinations and split applications at controlling wildoats and foxtails in wheat. There are many different wild oat and foxtail herbicides on the market and many different herbicide combinations being used by producers. Split applications are not currently being used in this country but may be beneficial in reducing the amount of herbicide used and may enhance weed control. The trial looked at various herbicides, herbicide combinations and split applications for injury to the crop and for herbicide effectiveness at controlling weeds. The information will be used by producers for herbicide and herbicide tank mix selection. Status: Ongoing.

BASF 635 Herbicide Trial, 22 treatments

This trial was conducted to compare the effectiveness of BASF 635, an experimental herbicide, on broadleaf weed control in spring wheat. BASF 635 is being developed as a broadleaf herbicide for possible use in small grain crops. This trial was designed to compare weed control and crop safety of this herbicide to standard broadleaf weed herbicides currently being used. The information will be used by the manufacturer in the development of this herbicide. Status: Completed.

Wild Oat Control with Discover Herbicide, 10 treatments

This trial was conducted to determine synergistic and antagonistic interactions of Discover herbicide tank mixes with broadleaf weed herbicides and to compare Discover herbicide with other wild oat herbicides for crop injury and weed control. Discover is a new herbicide being developed for wildoat and foxtail control in small grain crops. The information will be used by the manufacturer to establish application and tank mix guidelines. Status: Completed.

Foxtail Control with Discover Herbicide, 10 treatments

This trial was conducted to determine synergistic and antagonistic interactions of Discover herbicide tank mixes with broadleaf weed herbicides and to compare Discover herbicide with other foxtail herbicides for crop injury and weed control. Discover is a new herbicide being developed for wildoat and foxtail control in small grain crops. The information will be used by the manufacturer to establish application and tank mix guidelines. Status: Completed.

Cool Season Grass Tolerance to Plateau Herbicide, 101 species

This trial was conducted to determine the tolerance level of 101 different cool season grass species to Plateau herbicide. Plateau is a new herbicide being developed for use on rangeland and non-crop land for the control of aggressive broadleaf weeds (leafy spurge, canada thistle and field bindweed). The information will be used by the manufacturer to establish application guidelines. Status: 1 or 2 more years.