1. Root rot: this disease will damage the roots, resulting in the lack of green on the leaves, the number of fibrous roots is also small, the plant looks weak and has no spirit, and eventually the plant will die. After planting, the soil was disinfected and carbendazim was sprayed.
2. Leaf spot disease: when the light transmittance is poor, it is easy to get leaf spot disease, which will cause water stains on the leaves, and there will be black powdery mildew layer, which will cause the leaves to dry and curl in serious cases. Usually pay attention to good pruning, can use carbendazim, methyltobuzin spray.
3. Grey mould: this disease will damage the roots, and may also damage the leaves, resulting in brown patches on the leaves, the roots will rot, and eventually the whole plant will die. Usually reduce watering, after the onset of the fungicide spray.
1. Peach aphid: it is a serious pest, which can absorb the juice in the leaves and secrete nectar to infect the coal pollution. The weeds in the soil should be removed and the pesticide should be sprayed after finding the pests. Dichlorvos and malathion emulsion can be used.
2. Oxalis rock mite: it can absorb juice, leave yellow and white spots on the leaf surface, causing the leaf to wither. It can be sprayed alternately with monocrotophos emulsion, dimethoate emulsion, etc.