Ascend® PGR @ R3 (High Yield Zone, >55 bu/ac)

Trial Type

Plant Health (Growth Regulators, Biologicals, etc.)

General Stats

County
Moody
Replications
3
Crop
Soybean
Seed Brand
No Value
Variety
No Value
Relative Maturity
1.4
Tillage
Conventional Till
Irrigated
No Value
Drain Tile
No Value
Previous Crop
Corn
Row Sapcing
30"
Plant Population
160000
Plant Date
21/05/2016
Cover Crop
No Value
Seed Treatment
Other, No Seed Treatments or inoculants were used.

Soil Stats

Soil Type
Fine
Soil pH
4.0
Organic Matter
No Value

Methodology

Treatment Information
Ascend® plant growth regulator, which contains which contains kinetin, gibberellic acid, indole butyric acid, copper, manganese, and zinc was applied at R3 on August 3 at 6.4 oz ac-1 to the three treatment strips (Figure 1).
Agronomic and Weather Information
Soybeans with a 1.4 maturity rating were planted into 30” rows on May 21 at 160,000 seeds ac-1. The previous crop was corn, which was ripped in fall of 2015, then field cultivated in the spring. No seed treatments or inoculants were used. The field received approx. 7.62 in. of rain and accumulated 1847 GDDs from June 1 through August 31. This was dryer and warmer than the average of 11.35 in. and 1691 GDDs.

Results

Results
On average, this product had no significant effect on yields (Table 2). These results were in agreement with similar 2016 trial performed in Brown Co. Ascend has shown favorable results in previous trials conducted at SDSU. Therefore, additional trials are needed to help us better-understand when and where these types of responses can be expected.

Rainfall

Temperature

Applications

Fertilizer Applications

Insecticide Applications

Fungicide Applications

Herbicide Applications