Bio-insecticides and bio-pesticides, Biology

Assignment Help:

A large number of plants are used for bio-pesticides and bio-fertilizers. Several plant species are used as insecticides against aphids and larvae of insect pests: for insects like blister beetles and termites; chilli is used for pests that affect storage and neem (Azadirachta indica) is used as a bio-pesticide. Storing of wheat and barley grains with cowdung ashes also preve nts insect attacks, the oil cake of Madhuca longifolia ach. and the oil and leaves of Pongamia pinnata are used for insecticidal purposes. There are accounts of how jowar grains have been stored for more than 30 years by sealing them between layers of neem leaves in bins and buried in a 12 ft. deep pit.


Related Discussions:- Bio-insecticides and bio-pesticides

Hypertensive emergencies, Hypertensive emergencies should be treated within...

Hypertensive emergencies should be treated within one hour. Hypertensive urgencies may be treated more slowly. The term accelerated malignant hypertension is used when retinal haem

Things to do during a cyclone, (a)   For any individual :               ...

(a)   For any individual :                  ·          We should check house, doors and windows and have them repaired whenever necessary.                  ·          We shou

Explain factors influencing lipid oxidation, Factors Influencing Lipid Oxid...

Factors Influencing Lipid Oxidation  Food lipids contain a variety of fatty acids that differ in chemical and physical properties and also in their susceptibility to oxidation.

Types of embryogeny, Types of Embryogeny On the basis of the plane of...

Types of Embryogeny On the basis of the plane of division of the zygote and of the cells of the 2-celled proembryo, and also taking into account the relative contributions of

Which forms the inner walls of blood vessels, The kind of epithelium which ...

The kind of epithelium which forms the inner walls of blood vessels is : 1. cuboidal epithelium 2. columnar epithelium 3. ciliated columnar epithelium 4. squamous epith

What are the merits of the closed circulatory system, Q. What are the merit...

Q. What are the merits of the closed circulatory system over the open circulatory system? The closed circulatory system is more resourceful since blood circulates only inside b

Agricultural activities - cause of air pollution, Agricultural activities -...

Agricultural activities - Cause of Air Pollution Agricultural activities too are a major cause of air pollution. About 60 to 65% of carbon dioxide is produced from burning of

In unilocular ovary with a single ovule the placentation, In unilocular ova...

In unilocular ovary with a single ovule the placentation is : 1. Marginal 2. Basal 3. Free Central 4. Axile Basal

A meal consists of grilled trout and mushrooms, A meal consists of grilled ...

A meal consists of grilled trout, potatoes and mushrooms. Explain how each item is ultimately the product of photosynthesis. Trout eat aquatic insects, many of which eat micros

Introduction to locomotion, LOCOMOTIO N - Displacement of body. Mos...

LOCOMOTIO N - Displacement of body. Mostly animals show locomotion except porifera, urochordata, corals, obelia thier larva may show locomotion. Its importance is -

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd