What is biofertilizer?

After the introduction of chemical fertilizers in the last century, farmers were happy of getting increased yield in agriculture in the beginning. But slowly chemical fertilizers started displaying their ill-effects such as leaching out, and polluting water basins, destroying micro-organisms and friendly insects, making the crop more susceptible to the attack of diseases, reducing the [...]

DNA fingerprinting techniques

Restriction fragment length polymorphism (RFLP) analysis
The first methods used for DNA fingerprinting, involved restriction enzyme digestion, followed by Southern blot analysis. Although polymorphisms can exist in the restriction enzyme cleavage sites, more commonly the enzymes and DNA probes were used to analyze VNTR loci. However, the Southern blot technique is laborious, and requires large [...]

COMMERCIAL VEGETABLE PRODUCTION (RADISH & TOMATO)

RADISH
• Family : Brassicaceae
• Botanical Name : Raphanus sativus
• Recommended Varieties : Japanese Ball Beeralu Rabu
Table Radish
Beeralu Rabu
• Roots : Spindle shape, White skin
• Leaves : Neither lobed nor pubescent
• Harvesting time : 45 – 50 days
Japanese Ball
• Roots : Round, White skin
• Leaves : Lobed to mid- rib pubescent
• Harvest time : 45 – [...]