Potato Whole Growth Cycle Management and Regulation Technology Scheme | |||||
Growth Stage |  |  |  |  |  |
Sprout & Stem Growth Stage | Seedling Stage | Tuber Initiation Stage | Tuber Bulking Stage | Starch Accumulation Stage | |
Organ Development | Root, stem, leaf growth | Root, stem, leaf growth; stolon development | Root, stem, leaf growth; tuber development | Tuber development | |
Yield Formation | Determines plant stand per mu | Determines tuber number per plant | Determines tuber size and weight | Determines tuber weight | |
Management Points | Foliar spray to promote robust roots, uniform emergence, and control Black Scurf (Rhizoctonia). | 1. Control diseases (e.g., Black Scurf, Blackleg); 2. Promote root growth; 3. Supplement macro/secondary/micronutrients to nourish roots and strengthen seedlings. | 1. Control excessive vine growth; 2. Supplement macro/secondary/micronutrients; 3. Promote tuber set; 4. Control foliar diseases (e.g., Early Blight); 5. Control diseases like downy mildew. | 1. Supplement macro/secondary/micronutrients; 2. Promote tuber yield increase; 3. Control foliar diseases (e.g., Late Blight, Early Blight); 4. Control tuber diseases (e.g., Common Scab, Powdery Scab); 5. Control downy mildew and defoliating pests; 6. Control soil-borne pests. | 1. Control pests & diseases (e.g., Late Blight, Early Blight, Potato Tuber Moth); 2. Supplement potassium fertilizer; 3. Control field moisture before harvest, prevent waterlogging; 4. Desiccate vines in advance and harvest timely. |
Solutions |
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Zhengzhou Zhengshi Chemical specializes in plant growth regulators (PGRs), pesticides, and fertilizers, integrating research, production, and sales, and exporting globally.
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