Explanation

• Sterilants are pesticides that inhibit reproduction in insects.
• They prevent pests from laying fertile eggs, reducing future populations.

Additional information:

• Larvicides: Kill larvae
• Ovicides: Kill eggs

Last verified on 27-01-2026

Explanation

• Trichogramma are tiny parasitic wasps used in biological pest control.
• The cards contain Trichogramma eggs that parasitize pest eggs (like stem borers) in crops.

Additional information:

• Used mainly in maize, sugarcane, and rice for stem borer control
• Eco-friendly alternative to chemical pesticides

Last verified on 27-01-2026

Explanation

• The Punjab government banned COL-54 variety of sugarcane due to poor performance, susceptibility to disease, or low yield.
• Farmers were advised to shift to better-performing varieties for higher production.

Last verified on 27-01-2026

Explanation

• The official website is agri.punjab.gov.pk.
• The Agriculture Department Punjab uses an official government website for public services and information.
• The website provides details about crops, fertilizers, seeds, weather advisories, and farmer schemes.
• It is managed under the Punjab Government domain.

Last verified on 24-01-2026

Explanation

• Transpiration is the process by which plants lose water in the form of vapor from leaves, stems, and flowers.
• It helps in cooling the plant, nutrient transport, and maintaining water balance.

Additional information:

• Evaporation: Water loss from soil or water surfaces
• Respiration: Energy release by breaking down sugars
• Photosynthesis: Production of food using sunlight, CO₂, and water

Last verified on 27-01-2026

Explanation

• Wheat requires water most critically during crown root initiation and flowering.
• Proper irrigation at these stages ensures strong root system and maximum grain yield.

Additional information:

• Crown root initiation: Early vegetative stage, helps in tiller and root development
• Flowering: Determines grain formation and yield

Last verified on 27-01-2026

Explanation

• Zinc Phosphide is a chemical compound used in agriculture.
• It is primarily used to control pests that damage crops.
• It is applied carefully because it is highly toxic.
• Commonly used in fields, granaries, and storage areas.

Last verified on 25-01-2026

Explanation

• Spermatophytes are plants that produce seeds and usually bear flowers or cones.
• They are the most advanced group of plants.

Additional information:

• Spermatophytes: Angiosperms (flowering plants) and Gymnosperms
• Bryophytes: Non-vascular, no seeds
• Pteridophytes: Vascular but seedless

Last verified on 27-01-2026

Explanation

• Sugarcane is a long-duration and high water-requiring crop.
• On average, it needs about 20 irrigations during its growth period under normal conditions.

Additional information:

• Initial stage: Light and frequent irrigations
• Grand growth stage: Higher water requirement
• Maturity stage: Reduced irrigation

Last verified on 27-01-2027

Explanation

• Splice grafting is used for Apple and Mango trees.
• It allows better growth, early fruiting, and disease resistance.

Additional information:

• Splice grafting is a horticultural technique to join two plants.
• It involves joining a scion and rootstock of similar size.
• Commonly used for woody perennial crops.

Last verified on 25-01-2026