In this task, you are provided with an article about the legal acts. Your task is to generate a headline for that article.

This Directive concerns the minimum measures to be taken within Member States to control carnation leaf-rollers and to prevent them from spreading. For the purposes of this Directive 'carnation leaf-roller' means the Mediterranean carnation leaf-roller (Cacoecimorpha pronubana Hb) and the South African carnation leaf-roller (Epichoristodes acerbella (Walk.) Diak.). 1. Member States shall provide that carnations (Dianthus L.) be put into circulation only if they are not contaminated by carnation leaf-rollers and that carnation cultures contaminated by carnation leaf-rollers must be treated in such a way that the carnations obtained from them are no longer contaminated at the time when they are put into circulation.2. Notwithstanding paragraph 1, cut carnation flowers slightly contaminated by carnation leaf-rollers may be put into circulation from 16 October to 30 April. Member States shall prohibit the holding of carnation leaf-rollers. 1. Member States may authorize:    (a) derogations from the measures referred to in Articles 3 and 4 for scientific purposes, tests or selection work;  (1)OJ No C 93, 7.8.1974, p. 87. (2)OJ No C 116, 30.9.1974, p. 49.(b) that, notwithstanding Article 3, cut carnation flowers slightly contaminated by carnation leaf-rollers may be put into circulation from 1 May to 15 October.2. Member States shall ensure that the authorizations referred to in paragraph 1 are granted only where adequate controls guarantee that they do not prejudice the control of carnation leaf-rollers and create no risk of the spread of these harmful organisms. Member States may adopt additional or stricter provisions to control carnation leaf-rollers or to prevent them from spreading insofar as such provisions are necessary for such control or prevention. Member States shall bring into force the measures needed to comply with this Directive not later than a year following its notification and forthwith inform the Commission thereof. This Directive is addressed to the Member States.
Council Directive on control of carnation leaf-rollers