Revised Planting Window for Full Season Cototn Varieties
| dc.contributor.author | Brown, P. | |
| dc.contributor.author | Silvertooth, J. | |
| dc.contributor.author | Moore, L. | |
| dc.contributor.author | Watson, T. | |
| dc.contributor.editor | Silvertooth, Jeff | en_US |
| dc.date.accessioned | 2012-02-02T19:13:05Z | |
| dc.date.available | 2012-02-02T19:13:05Z | |
| dc.date.issued | 1992-02 | |
| dc.identifier.uri | http://hdl.handle.net/10150/208660 | |
| dc.description.abstract | A heat-unit-based planting window was introduced in 1991 as a means of reducing early season problems with pink bollworm (PBW). Growers were encouraged to plant full season varieties when the annual heat unit (HU) accumulation ranged between 600 and 900 -- a window designed to ensure 75% suicidal emergence of PBW yet maintain acceptable yield levels. New research findings and a reexamination of past PBW emergence studies now support making an adjustment to the planting window. For 199Z the recommended planting window is 450 - 700 HUs after January 1. | |
| dc.language.iso | en_US | en_US |
| dc.publisher | College of Agriculture, University of Arizona (Tucson, AZ) | en_US |
| dc.relation.ispartofseries | 370091 | en_US |
| dc.relation.ispartofseries | Series P-91 | en_US |
| dc.subject | Agriculture -- Arizona | en_US |
| dc.subject | Cotton -- Arizona | en_US |
| dc.subject | Cotton -- Crop management | en_US |
| dc.title | Revised Planting Window for Full Season Cototn Varieties | en_US |
| dc.type | text | en_US |
| dc.type | Article | en_US |
| dc.identifier.journal | Cotton: A College of Agriculture Report | en_US |
| refterms.dateFOA | 2018-08-16T17:02:32Z | |
| html.description.abstract | A heat-unit-based planting window was introduced in 1991 as a means of reducing early season problems with pink bollworm (PBW). Growers were encouraged to plant full season varieties when the annual heat unit (HU) accumulation ranged between 600 and 900 -- a window designed to ensure 75% suicidal emergence of PBW yet maintain acceptable yield levels. New research findings and a reexamination of past PBW emergence studies now support making an adjustment to the planting window. For 199Z the recommended planting window is 450 - 700 HUs after January 1. |
