Coniella diplodiella (grapevine white rot)

In growing period of vine should timely cut injured inflorescence, bunch, stalk, berry and leave, cover up them deeply with the earth outside grape garden. After harvest it's necessary to clean up and burn down all infected body.Improve structure of trellis in order to heighten the fruit position. Being early injured at the lower part of trellis, further more with wide-spread infection, especially fruit bunch close to the ground is more infective, heighten the fruiting position may reduce disease. The fruiting position should be heightened properly from the beginning of vine's training while plant was small.The fruited plant also should be refreshed by training the brunch, where berry grow. Every year when grape plant is put on the trellis, it is important to pay attention on trellis structure, in order to prevent fruit bunch would be located in a low position. The proper distance up to ground should be 20-30 cm. After expansion of berry should hang up the fruit bunch that close to ground, even more to cut them off. To improve ventilation and illuminant condition so that moisture in the garden would be lowered. High humidity and rainfall is the decisive factor to make white rot popular. To cut the subsidiary stalk and bud, so that light distribution among plants should be shady transparency. In low topography fruit garden should try to reclaim soil, and strengthen drainage equipment, plough and weeding timely.

Before the disease being emerged or at the beginning stage should carry out prevention control by medicament, especially pesticide must be applied with 18 hours after hailstorm.At present chlorothalonil, thiabendazole, thiophanate-methyl, carbendazim and benomyl are most widely used.