Abstract

Models of the phases of juvenility, curd induction and curd growth, driven by temperature, were developed for Roscoff, Walcheren and Roscoff× Walcheren winter cauliflower types and were linked to enable prediction of the time of curd maturity. Because some crop types in Cornwall (west of UK); Lincolnshire (east of UK) responded differently to weather, separate models were developed for each location. These models were then applied to each cauliflower type at four locations in the UK (Cornwall and Pembrokeshire (west); Kent and Lincolnshire (east)) using four climate impact emissions scenarios and three time-slices (2011-2040, 2041-2070 and 2071-2100). In all forecasts temperatures increased relative to baseline data (1961-1990). The phases of juvenility and curd growth were shortened by increased temperature, while in most cases that of curd induction was increased. The net effect was to advance maturity in all situations except for Roscoff types grown in Cornwall. Maturity was particularly advanced in Pembrokeshire because temperatures were closest to the optimum for curd induction. The effects of location were greater than those of time-slice and scenario and effects on Roscoff×Walcheren types were greater than those on Roscoff or Walcheren types. © 2004 Elsevier B.V. All rights reserved.

Publication Date

2004-01-01

Publication Title

Scientia Horticulturae

Volume

101

Issue

4

Publisher

Elsevier BV

ISSN

0304-4238

Embargo Period

2024-11-22

First Page

359

Last Page

372

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