sclerotinia decision

This guide was originally produced as part of a LINK funded project by CSL, ADAS, HGCA and ADGEN. It has been updated in 2003 with support from HGCA. If you have any comments please contact webmaster@hgca.com

It is primarily intended to be used at flowering and relies on information being available for individual crops

How to use the decision system

To use the guide, start by pressing the button "Enter my
data". Click on the little buttons on each screen to select the option. Click on "Next Page" for the next section, and follow the simple instructions on each screen

The major contributors to Sclerotinia risk are history of previous attacks and weather at flowering so you must fill out this section

History

Apothecial activity: early to mid flower

Test for petals with Sclerotinia

Rotation data

Other susceptible crops in rotation

to select more than one crop hold down the control key before clicking

Fill in details about this year's crop

Crop height

Weed cover

Lodging-timing

Lodging-extent

You gave the following information

History: percentage OSR affected previously
Weather forecast when making decision rainfall
temperature
Apothecial activity: germination in depots
Petal test agar test, percentage petals affected
number of rotation between crops is
Other susceptible crops in the rotation were
OSR crop height is
Weed cover is
Lodging occured
Lodging severity was

Your sclerotinia risk is :

High
Medium
Low

Weather
The key stage is at early to mid-flowering;

Temperature - what is the mean temperature this week?


dry and settled	unsettled, light rain and showers or fog, for 2 to 3 days each week	very heavy rain or thunderstorms for 2 days or more each week


more than 20%	less than 20%	don't know


more than 15^oC	10- 15^oC	less than 10^oC

The major contributors to Sclerotinia risk are history of previous attacks and weather at flowering so you must fill out this section

History

Fill in details about this year's crop

Your sclerotinia risk is :

Weather The key stage is at early to mid-flowering;

Weather
The key stage is at early to mid-flowering;