Western Australian Consolidated Regulations

PLANT DISEASES REGULATIONS 1989 - SCHEDULE 4

[Regulation 18]

Treatment

        [Heading amended in Gazette 20 Aug 1996 p. 4058.]

Part 1

Fruit fly baiting

1.         A person applying treatment in accordance with this Part to fruit trees or fruit vines shall do so by applying in accordance with item 2 by means of a hand syringe or spray pump or some other method approved by an inspector fruit fly bait made in accordance with item 3 to the fruit trees or fruit vines.

2.         A person applying fruit fly bait shall — 

            (a)         in respect of each such application use not less than 4.5 litres of that bait — 

                  (i)         for every 40 fruit trees; or

                  (ii)         for every 100 fruit vines,

                or part thereof required to be treated in such a way that each fruit tree or fruit vine is thoroughly treated; and

            (b)         during the period commencing 6 weeks before the ripening of the fruits on the fruit trees or fruit vines, as the case requires, and ending 2 weeks after all those fruits have been picked, or have fallen, therefrom do so at intervals of not more than 7 days commencing with the first day of that period.

3.         Fruit fly bait shall for the purposes of item 1 be made by mixing — 

            (a)         14 grams of sodium fluosilicate and 0.5 kilograms of sugar with 9 litres of water;

            (b)         7 millilitres of 500 grams/litre of maldison emulsion and 7 millilitres of protein hydrolysate of yeast with 1 litre of water;

            (c)         7 millilitres of 500 grams/litre of maldison emulsion and 50 grams of sugar with 1 litre of water; or

            (d)         7 millilitres of 625 grams/litre of trichlorfon liquid and 7 millilitres of protein hydrolysate of yeast with 1 litre of water.

        [Part 1 amended in Gazette 20 Aug 1996 p. 4058.]

Part 2

Cover spraying with dimethoate or fenthion

1.         A person applying treatment in accordance with this Part to fruit trees or fruit vines, other than grape vines, having fruit thereon shall do so by cover spraying them in accordance with item 2 by means of a spray pump — 

            (a)         in the case of fruit other than early apricots, peaches and figs, with a 0.03% active ingredient water mixture of dimethoate; or

            (b)         in the case of any fruit, with a 0.04% active ingredient water mixture of fenthion.

2.         A person cover spraying in accordance with item 1 shall — 

            (a)         spray the fruit trees or fruit vines concerned so that all foliage and fruit are thoroughly wetted; and

            (b)         during the period commencing 3 weeks before the ripening of the first fruit on the fruit trees or fruit vines concerned and ending when the last fruit thereon has been picked or has fallen from those fruit trees or fruit vines, spray those fruit trees or fruit vines at intervals of not more than 3 weeks commencing with the first day of that period.

Part 3

Cover spraying with trichlorfon

1.         A person applying treatment in accordance with this Part to — 

            (a)         fruit trees, other than citrus trees; or

            (b)         fruit vines, other than grape vines,

        having fruit thereon shall do so by cover spraying them in accordance with item 2 by means of a spray pump with a 0.06% active ingredient water mixture of trichlorfon.

2.         A person cover spraying in accordance with item 1 shall — 

            (a)         spray the fruit trees or fruit vines concerned so that all foliage and fruit are thoroughly wetted; and

            (b)         during the period commencing 3 weeks before the ripening of the first fruit on the fruit trees or fruit vines concerned and ending when the last fruit thereon has been picked or has fallen from those fruit trees or fruit vines, spray those fruit trees or fruit vines at intervals of not more than 7 days commencing with the first day of that period.