Table of Contents
- 1 How are high yielding variety produced?
- 2 How are new yielding and resistant varieties of plants grown?
- 3 Which technique helps in achieving high yield in crops?
- 4 What helps in increasing the production of crops?
- 5 What is high yielding seeds?
- 6 Which is the high yielding varieties of seed crops developed under green revolution in India?
- 7 How is an increase in crop yield achieved?
- 8 How are superior genotype plants selected in plant breeding?
How are high yielding variety produced?
The highest yields are achieved in areas of well-managed irrigation and with adequate amounts of chemical fertilizers. At first the new varieties were highly susceptible to disease, and pesticides were necessary to obtain the high yield potential, but later varieties have been bred with a greater resistance to pests.
How are new yielding and resistant varieties of plants grown?
To produce new crop varieties or disease-resistant high yielding plants, classical plant breeding uses the intentional crossing of closely or distantly related individuals. To introduce traits/genes from one variety or line into a new genetic history, plants are crossbred.
Where are high yielding variety seeds developed?
research institutes
High yielding varieties of seeds are developed in research institutes. High Yield Variety (HYV) seeds were developed by scientists to improve food supplies and reduce famine in developing countries.
What are the three types of method to get high yield?
The three methods to increase the yield of crops are:
- Using high yielding variety seeds.
- Use of modern irrigation methods so as to obtain more amount of water.
- Crop rotation so as to increase the fertility of the soil.
Which technique helps in achieving high yield in crops?
The three methods to increase the yield of crops are: Using high yielding variety seeds. Use of modern irrigation methods so as to obtain more amount of water. Crop rotation so as to increase the fertility of the soil.
What helps in increasing the production of crops?
Crop genetic improvement, by GM or conventional approaches, is only one of many methods that can be used to improve crop performance. Others involve improvements in farm practices, irrigation, drainage, and herbicide, pesticide and fertiliser use.
What is high yielding variety of seeds?
High Yield Variety (HYV) seeds were developed by scientists to improve food supplies and reduce famine in developing countries. These HYV or ‘miracle’ seeds can produce up to ten times more crops than regular seeds on the same area of land.
What is Hybrid What are high yielding varieties?
1. Hybrid seeds that have been selected and developed to give high productivity with using more chemical fertilizers and pesticides. Learn more in: Analyzing Farmers’ Learning Process in Sustainable Development: The Case of Organic Paddy Farmers in North Sumatra, Indonesia.
What is high yielding seeds?
High Yielding Variety Seeds (HYV seeds) are seeds are of better quality than normal quality seeds. These seeds are a better option of seeds in order to obtain a healthy and surplus crop. These seeds have good immune system to fight with insects and other diseases.
Which is the high yielding varieties of seed crops developed under green revolution in India?
High Yielding Varieties of wheat, rice, pulses, oilseeds and sugarcane were development under Green Revolution in India.
Which is part of a plant can grow into a whole plant?
(i) The capacity of a plant cell (explant) to grow into a whole plant is called totipotency. (ii) Explant is the part of plant taken for tissue culture. (iii)The method of growing or producing thousands of plants through tissue culture is called micropopagation. (a) More number of plants can be produced in a short time.
Why do we need high yielding plant varieties?
The high-yielding varieties developed by classical plant breeders have been essential to maintaining adequate food supplies for the ever-expanding world population (Bennetzen, 1996). Newer approaches are needed to meet the great increase in food production necessitated by population growth in developing countries.
How is an increase in crop yield achieved?
Improvement in crop yield is achieved by various practices involved in farming and they are divided into three stages: Crop variety improvement where right seeds are chosen for planting through breeding, hybridization; Crop production improvement, in this step crop plants are cultivated.
How are superior genotype plants selected in plant breeding?
Superior genotype plants are selected and are allowed to crossbreed (these plants are not allowed to self breed) so that heterozygosity is also maintained. Selection can be continued in a few successive generations of cross-pollinated crops. (v) Testing, Release and Commercialisation of New Cultivars: