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As the dragon fruit planting area continues to expand, diseases and pests are becoming increasingly prominent. Some growers use non-standard cultivation and management techniques that provide a breeding ground for the growth and reproduction of diseases and pests. In addition to the general pests and diseases such as canker and anthracnose, the most easily overlooked pathogenic organisms are root nematodes in soil.
Growers have observed that the stems and branches of dragon fruit are yellowing, and some are accompanied by dryness and rot. The dragon fruits are thin and dull, and growers are very worried that the yield will be seriously affected.
Growers have observed that the stems and branches of dragon fruit are yellowing, and some are accompanied by dryness and rot. The dragon fruits are thin and dull, and growers are very worried that the yield will be seriously affected.
After observation, analysis, detection and comprehensive comparison by Brightmart’s technicians on site, it was finally confirmed that the cause was root nematodes. The root nematode mainly pierces the root of the dragon fruit with the needle on the head, and secretes venom, which causes the root of the dragon fruit to deform and swell, and the ability to absorb water and fertilizer plummets. The fruit slowly dies. For dragon fruit plants infected with root nematodes, the aboveground part has no obvious symptoms in the early stage, and the stems and leaves appear yellowish in the later stage, dull and dull, with small fruit and poor taste.
Because growers have neglected the harm of root nematodes for a long time, they have missed the best period of prevention and control. In addition, there is more rain and poor drainage in the field, which will lead to excessive humidity, which is conducive to the growth and spread of germs, resulting in multiple diseases.
In view of root nematode damage, Brightmart’s technicians put forward prevention and control suggestions to fruit farmers: strengthen orchard management, cut off diseased branches and fruits in time, clear out orchards for centralized burning or landfill; timely apply foliar fertilizer, supplement potassium and phosphorus, and Enhance plant resistance.
In addition to improving the level of field management, chemical control is also indispensable. For crops with high commodity value like dragon fruit, high-quality nematicides are required to prevent root nematodes.
Ligenda (Abamectin 1% GR)
Ligenda have high efficacy and activity, strong permeability, and adopt unique adsorption carrier particles and slow-release technology, with long-lasting efficacy, thorough control effect, high safety for crops, no root damage.
Nematix (Fosthiazate 5% + Oligosaccharins 1% EW)
Nematix is rich in marine biological essence, which can kill nematodes that invade the roots of crops, so that crops can quickly recover, and at the same time quickly kill nematodes outside the roots, protect the root system from damage for a long time, and reduce the occurrence of various diseases and insect pests. Strengthen the root system of dragon fruit and improve the quality of dragon fruit.
Product Features:
1. Excellent material selection: oligosaccharins uses deep-sea organisms from the Arctic Circle as its raw material and the active ingredient of fosthiazate are imported form international famous brand, which have high purity and stable quality.
2. Stable and long-lasting effect, it takes effect quickly, and can kill both adults and eggs.
3. High safety and no resistant, it can efficiently control nematodes, underground pests, and various soil-borne diseases.
4. Improve crop growth, repair root wound, promote rooting, improve crop quality, and increases yield and income.
Before planting, use Ligenda mixed fertilizer or fine soil, apply in furrows, holes or spread (50~70kg/ha).
During the growth period of dragon fruit, use Nematix mixed with water 800-1500 times to irrigate the roots, and the effect will be more significant when used with water-soluble fertilizer.
During the growth period of dragon fruit, use Nematix mixed with water 800-1500 times to irrigate the roots, and the effect will be more significant when used with water-soluble fertilizer.
