Cabbage root rot disease is best in the squat and non-cruciferous rotations. If you can't, you can take some measures to prevent and cure: 1. Select disease-resistant varieties. 2, high ridge, sorghum cultivation. 3, Irrigation. The optional agent is thiophanate or pentachloronitrobenzene. 4, preparation of poisonous soil before planting, furrow or hole application. The method for disposing of toxic soils is: 70% per gram of pentachloronitrobenzene, 2 to 3 kg of 50 kg of fine soil.
The efficacy and role of small molecule peptides:
1. The small molecule peptide has a simple structure and small molecular weight, the cell membrane can freely penetrate into the cell, and the cell absorption and utilization efficiency is high;
2. Small molecule peptides participate in the synthesis of enzymes, but also increase the activity of enzymes and promote the smooth progress of biological reactions;
3. Small molecule polypeptides can improve the permeability of gastrointestinal mucosa, capillary walls, alveoli and other intermediate metabolic membranes, so as to better absorb nutrients, filter toxins, and prevent the invasion of pathogens;
4. Small molecule peptides can also synthesize specific proteins and produce special effects in the body. At the same time, small molecule peptides can not only supplement the nutrition of cells, but also improve the function and state of cells.
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