Evaluation of the risk of development of resistance to QoI fungicide ZJ0712 in Podosphaera xanthii under greenhouse conditions

Table 1 Control efficacy of different doses of ZJ0712 against cucumber powdery mildew in two successive growing seasons

Treatment	Date	Dose (g a.i.^a/667 m²)	Disease index		Control efficacy (%)
Treatment	Date	Dose (g a.i.^a/667 m²)	Control	Treatment	Control efficacy (%)
1st season	–	–	32.99^b		–
1	28 April	8	26.84	19.11	28.80
2	5 May	4	21.33	8.44	60.43
3	12 May	2	23.51	12.27	47.81
4	19 May	2	30.55	10.70	67.27
5	26 May	2	35.42	8.50	76.00
2nd season	–	–	10.48^c		–
6	4 August	2	10.83	4.38	59.57
7	11 August	2	25.88	3.46	86.63
8	18 August	2	29.07	4.16	85.69
9	25 August	2	25.78	2.98	88.44
10	1 September	2	25.14	3.53	85.96

^aa.i. indicates active ingredients
^bThe initial disease index of cucumber powdery mildew before application of ZJ0712 in the first growing season
^cThe initial disease index of cucumber powdery mildew before application of ZJ0712 in the second growing season