**I. Mulberry Field Management After Floods**
1. Once the floodwaters recede, it's crucial to drain the mulberry fields as quickly as possible to avoid prolonged waterlogging, which can lead to root rot and reduced productivity. In low-lying areas where water tends to accumulate, organize workers to clear drainage channels and remove standing water promptly. This helps lower the groundwater level and prevents mulberry trees from suffering from excessive moisture.
2. For mulberry fields that have experienced severe erosion or have exposed roots, it’s important to correct the tree positions and refill the soil around the roots immediately. Proper soil coverage helps stabilize the trees and supports healthy regrowth.
3. In fields with high water levels but less damage, pruning is recommended after the flood. Cut the trees at a low height (about 20–30 cm above ground) to encourage new shoot growth. This practice helps rejuvenate the trees and promotes better leaf production in the coming months.
4. For mulberry fields near rivers or in low-lying areas prone to frequent flooding, it's advisable not to cut the trees immediately after a summer flood. Cutting too early may weaken the trees, making them more vulnerable to subsequent floods. Instead, allow the trees to recover first, strengthen their root systems, and improve their ability to withstand waterlogging. Only after the flood season should you consider whether to proceed with summer pruning.
5. Flooded mulberry fields often have silt deposits, which act as natural fertilizers. Once the soil dries slightly, plow it to break up the compacted layers and improve soil aeration. When new shoots appear, apply fertilizer, manage irrigation carefully, and remove any stagnant water. These steps will help increase leaf yield and support successful sericulture in the second half of the year, compensating for flood-related losses.
**II. Silkworm Rearing Management After Floods**
1. If silkworm houses or rearing facilities were flooded, inspect them for structural damage before reoccupying. After removing floodwater, thoroughly clean the premises, including tools and equipment. Remove all silt and dirt, then disinfect using a 1% available chlorine solution (1 kg of bleaching powder mixed with 25 kg of water). This helps prevent disease outbreaks and ensures safer conditions for future rearing.
2. If the silkworm house was damaged, repair it as soon as possible. In cases of total collapse, temporary structures such as sheds or simple rearing houses can be used to resume operations quickly and support recovery efforts.
3. After the flood, maintain dry and well-ventilated conditions in the silkworm room. Spread fresh lime powder for disinfection and avoid feeding silkworms with wet or muddy leaves, which can lead to health issues.
**III. Production Recommendations**
1. Consider replacing mulberry varieties that are prone to flooding. Some species have strong resistance and can survive up to 7 days of submersion due to their deep root systems. However, avoid planting in areas where water accumulates for more than three days.
2. Choose mulberry seedlings that are adaptable and resilient. In areas with limited seedling supply, prioritize those that grow well in well-drained soils to ensure a stable planting stock.
3. To reduce the risk of silkworm diseases, avoid rearing in hot and humid conditions after the disaster. With temperatures rising, it’s best to harvest earlier and raise younger silkworms to avoid unfavorable climatic conditions.
4. During the high-temperature season, focus on keeping silkworm rooms cool and ventilated. Use shade nets to block direct sunlight and disinfect regularly with quicklime. Avoid feeding silkworms with damp leaves to maintain their health.
5. In regions experiencing heavy rainfall in the first half of the year, prepare for potential autumn drought by harvesting early and applying additional fertilizer during the rainy season. This will help ensure robust mulberry growth and a good harvest later in the year.
*Guangdong Sericulture Technology Promotion Center*
Spices are a general term for spices (sometimes called aromatic ingredients) and essences. In a narrow sense, fragrances are not included.
A spice is a substance that can be smelled or tasted. It may be a "single entity" or a "mixture". According to the production method or raw materials, spices can be divided into "natural flavor" and "synthetic flavor" two categories
Flavors And Fragrances,Undecylenic Derivatives,Bio-Based N-Heptaldehyde,Arkema Bio-Based N-Heptaldehyde
Xingbang High Molecular Materials Co., Ltd. , https://www.chemicaladditive.com