1、Optimization of operating parameters for spraying microbial

Two different classes of bio-pesticides viz. bacterial-based Bacillus thuringiensis (BBP solution) and fungal-based Beauveria bassiana (FBP solution) were evaluated for spray application by three hollow cone

2、Optimization for fermentation conditions and analysis of

The suitable concentration of the bacterial solution in spraying practice is 1 × 10 5 cfu/mL by the comprehensive evaluation of the application effect and consideration of the production cost...

3、Optimization of operating parameters for spraying microbial ( Bacillus

In order to explore the effects of aviation spray parameters on particle size distribution and activity retention of biological pesticide droplets, a system of droplets size test and an activity...

4、Optimization of culture media to enhance the ability of local Bacillus

In this study, Bacillus thuringiensis var. tenebrionis -BN1 (Btt - BN1) was used as an effective bio-pesticide against elm leaf beetles. Statistical experimental design was applied for optimization of the culture media in order to achieve high level of colony forming unit (CFU) response from Btt-BN1.

Effect of Spray Operating Parameters on Viability of Bacillus

Therefore, the objective of the study was to investigate the effect of sizes of spray nozzles, operating pressures and pumping periods of the conventional spraying system on microbial viability of B. thuringiensis based biological pesticide during spraying conditions.

Bacillus thuringiensis

Among these, Bacillus thuringiensis (Bt)-based biopesticides have emerged as a promising option due to their specificity, sustainability, and safety. This article reviews the success and application of Bt as a biopesticide, analysing its environmental impacts, formulation strategies, marketing trends and associated challenges.

Optimization of spray drying process for Bacillus thuringiensis

Response surface methodology was used to optimize spray drying process for producing biopesticide powders of Bacillus thuringiensis by using fermented broth of starch industry wastewater and wastewater sludge.

Measuring the Specific Growth Rate of Bacillus thuringiensis

We tested for the optimal growth rates for three variables: temperature, RPM speed, and aeration. Figure 1: Bt Gram-positive stain Figure 2: Bt image showing protein (2). crystal (3). Bt has been used as an insecticide since the 1920s and is common in organic farming.

<i>Bacillus thuringiensis</i> (<i>Bt</i>) Fact Sheet

What is Bacillus thuringiensis (Bt)? What are some products that contain Bt? How does Bt work? How might I be exposed to Bt? What are some signs and symptoms from a brief exposure to Bt? What happens to Bt when it enters the body? Is Bt likely to contribute to the development of cancer?

(PDF) Bacillus based microbial formulations: Optimization of the

In order to obtain a high-quality and long-lasting product with desired characteristics, it is necessary to optimize the production process at each stage, which implies coordinating the microbial...

Longevity Flower (Sansevieria trifasciata), also known as snake plant or mother-in-law’s tongue, is a popular indoor foliage plant. Bacillus thuringiensis (Bt) is a natural biopesticide effective against various pests. When cultivating longevity flowers indoors, proper use of Bt can efficiently prevent and control pests and diseases, ensuring healthy growth. Regarding the frequency of spraying Bt on longevity flowers, here are some recommendations:

1. Understand the Function and Usage of Bt

Bt is a broad-spectrum insecticide primarily used against common pests like aphids, spider mites, and whiteflies. Follow product instructions for dilution and adhere to correct application methods.

2. Choose the Right Spraying Time

For optimal effectiveness, apply Bt in the morning or evening when temperatures are cooler. This minimizes transpiration in plants, enhancing drug absorption. Avoid spraying during hot periods to prevent reduced efficacy or damage to the plant.

3. Control Spray Concentration

Prepare the Bt solution accurately according to the product manual. Avoid overconcentration to prevent leaf burn. Adjust the concentration based on the plant’s health and pest severity.

4. Ensure Even Coverage

Use a sprayer to evenly coat the leaves and stems of the longevity flower. Avoid direct spraying on buds and flowers to prevent developmental issues. Ensure full coverage without missing any areas.

5. Monitor Results

After spraying, closely observe the plant’s growth and leaf changes. If abnormalities (e.g., yellowing, wilting) occur, adjust the strategy promptly. Consult professionals if needed.

6. Maintain Regular Application

Although longevity flowers develop some resistance to Bt, periodic application (every 7–10 days) is recommended for pest prevention. Adjust frequency based on plant condition, pest levels, and climate.

7. Prioritize Safety

Wear protective gear (mask, gloves) to avoid inhalation or skin contact. Dispose of leftover solution safely to prevent environmental contamination.

8. Complement with Other Practices

Combine Bt spraying with routine care: proper watering, ventilation, and fertilization. These measures boost the plant’s resilience and reduce pest risks.

follow these guidelines to maximize Bt’s effectiveness and ensure healthy growth of longevity flowers. Adjust strategies flexibly based on real-world conditions for optimal pest control.