APHIDS
Pest and Disease

APHIDS

Aphid is the common name for the insects belonging to the superfamily Aphidoidea, within the order Hemiptera. All aphids are small, soft-bodied insects with long, slender mouthparts, pear-shaped insects with long legs and antennae. Most species of aphids have a pair of tube-like structures called cornicles projecting backwards out of their bodies’ hind end and…

POWDERY MILDEW
Pest and Disease

POWDERY MILDEW

Powdery mildew is a disease that affects a wide range of plants, including agronomic crops, fruit, vegetable, and herbaceous and woody ornamentals. It is caused by many different species of fungi. The disease is easy to diagnose as its symptoms are quite distinctive. All powdery mildew fungi require living plant tissue to grow. The important…

FERTILIZER APPLICATION
Fertilizer

FERTILIZER APPLICATION

Fertilizer placement can be done in three ways, namely, Broadcast top placement (dressing/side dressing), Localized placement (top dressing/side dressing). Localized fertilizer placement is in two ways; Band application, Circular application. The last placement method is Fertigation placement. A fertilizer application is done in four ways. Broadcasting fertilizer is frequently done after the crop has been harvested, in…

PLANT NUTRIENTS AND THEIR ROLES
Plant Nutrients

PLANT NUTRIENTS AND THEIR ROLES

Mainly there are three essential nutrients Carbon(C), Hydrogen (H), Oxygen(O). These are non-fertilizer elements. Oxygen  All oxygen available to life earth comes from plants. Plants don’t absorb oxygen from the air, but instead, acquire it during the breakdown of carbon dioxide as part of photosynthesis. Most of the oxygen plants take in is expelled as…

SPECIMEN PRESERVATION
specimen preservation

SPECIMEN PRESERVATION

Long-term preservation of organisms either plant or animal in the best possible condition is known as specimen preservation. Why are specimens preserved? For botanical and zoological museum collection For morphological studies Taxonomic reasons For detailed examination(on disease symptoms, nature of pest attack) How to collect and preserve insects Preservation of insects is the best way…