What are PHOSPHITES? How are they different from PHOSPHATES?
PHOSPHITES are a range of products derived from Phosphorous Acid (H3PO3). Whereas PHOSPHATES are derivatives of Phosphoric Acid (H3PO4).
| PRODUCT |
APPLICATION |
| Potassium Phosphate |
Used primarilly in non-agro industries. Precipilates & Not easily taken up by the plants |
| Potassium Phosphite |
The real source of "P" and "K" for the plants |
|
How do I use PHOSPHITES in various Crops/Plants?
| CROP |
DOSAGE |
TIME AND METHOD OF APPLICATION |
TARGET DISEASES |
| Black Pepper |
5ml/L
(2L per vine) |
Pre & Post Monsoon. |
Quick Wilt. |
| Betel Vine |
3ml/L |
Spray and drench at 10 days interval. |
Phytophthora Rot. |
| Cardamom |
3ml/L |
Drench the clump, soil around the plant & spray overall. |
Soft Rot. |
| Cucurbits |
3 ml/L |
As soon as early symptoms of downy mildew are noticed. Repeat every 7 days till downy mildew diappears. |
Downy Mildew. |
| Citrus |
2 ml/L |
Pre & Post Monsoon. |
Gummosis & Root Rot fungi. |
| Coconut |
3ml/L
(3L per plant) |
Pre & Post Monsoon. |
Bud Rot & Root Rot fungi. |
| Grapes 5 ml/L |
|
After pruning when buds are sprouted. |
Downy Mildew. |
| Tomato 3 ml/L Potato |
|
High Humidity & Low Weather Temp. |
Fruit Rot. Buck eye Rot. Late Blight. |
| |
|
|
|
What are the Physical and Chemical Properties of Phosphites ?
| Chemical Name |
Di Potassium Phosphite. |
| Appearance |
Clear Colorless Liquid. |
| pH ( 1% soln ) |
6.0 to 8.0 |
| Active Content |
40% min. |
What are the benefits of using PHOSPHITES ?
- Shows both Prophylactic & Curative actions.
- Eco-Friendly & non-residual.
- Compatible with other agro-chemicals ( except Cu & S ).
- Protects plants from Oomycetous fungi viz., Phytophthora, Pythium, Pernspora. Sclerospora, etc.
- Increases dynamism of defence mechanism of plants.
- Provides essential nutrients mainly P & K to plants.
|
