Recently, seedling gourds and seed melons were severely killed, and some plots were up to 35% dead.
After field investigation, there are two main reasons for the gourd dead seedlings:
This year, the temperature of the gourd was lower than that of previous years, which induced root rot of gourd;
2. Some gourd varieties have poor ability to adapt to low temperature, poor disease resistance, resulting in severe dead seedlings. The seedling rate and disease resistance of different varieties of gourd sown at the same time are clear at a glance.
Control methods:
1. When the gourd is planted, it should first listen to the weather forecast, sowing the seeds at a temperature above 18°C ​​to prevent cold-induced damage.
2. Select good varieties with good disease resistance when sowing, such as "Hope No. 9", "Hope for Pride" and other large companies to cultivate good varieties.
3. In order to improve the disease resistance, 85% hymexazol may be used for seed dressing at the time of sowing, or 1000 times of sodium bromobromoisocyanurate may be used for seed dressing, so that the hazard of the gourd seedling stage can be effectively controlled.
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