When choosing cotton varieties, it's essential to select high-purity plots and healthy, pest-free plants. Focus on the central Piaotao plants and pick fully matured "dried flowers" for better quality. Additionally, keep the following important considerations in mind:
Avoid hybrid cotton varieties, as current technology struggles with the significant segregation of F2 generations, which can lead to inconsistent growth and yield. Do not select early or late-season peaches that show poor development, low boll weight, weak germination rates, or weak plant vigor—these should be avoided entirely.
Never choose cotton seeds that have been prematurely split or picked before full maturity. Some growers still follow outdated practices like "splitting the mouth and picking wet flowers," but this can result in underdeveloped seeds that fail to germinate properly.
Cotton is a cross-pollinated crop, with an outcrossing rate ranging from 3% to 20%. Over time, insect-resistant varieties may lose purity due to cross-pollination by insects. Therefore, avoid planting cotton from degraded or low-purity plots that have suffered from biological confusion.
Do not use seeds from cotton plants infected with wilt disease or Verticillium wilt. These diseases are chronic and can spread rapidly through seeds. Infected plants, as well as those with weak resistance to pests, should be discarded. However, if a plant shows strong resilience despite heavy disease pressure, it may still be considered.
Avoid using cotton seeds that have been sun-dried on cement floors. The heat and moisture absorption from concrete can cause some seeds to become dormant or lose their viability completely.
Also, never store cotton seeds alongside pesticides or fertilizers. Long-term storage in such conditions can expose seeds to harmful gases, leading to a dramatic drop in germination rates. Always ensure proper ventilation and storage conditions to maintain seed quality.
Fluorine-Containing Phenol
he fluorine-containing phenol series product is toxic and irritating, it should be avoided absorbed into the body through the skin. And not allow to store with strong oxidant, alkali, hydrochloric acid and acid anhydride , Store with flammable liquid or solid,must be away from heat and open flames,it should be stored in a cool dry place. Most of the fluorine-containing phenol products are stable at room temperature and pressure, but avoid contact with the oxide. In the air it is easily oxidized color.
Manufacture and storage of fluorine-containing phenol series should be carried out in a well ventilated place. Wear appropriate protective equipment and prevent dust from spreading. Wash hands and face thoroughly after handling.
Most of the fluorine-containing phenol series of products can be sublimated. It can cause severe skin burns and eye damage.
So save the fluorine-containing phenol series in sealed containers must be stored in a cool, dark place. It must be stored locked. In the event of a fire extinguishing agent is suitable dry powder, alcohol-resistant foam, water spray, carbon dioxide.
Containing Phenol,2-Bromo-4-Methylphenol,2-Chloro-3-Fluorophenol
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