Which of the following methods is used in crop improvement and crop management?
Selection is most primitive and simplest method used for crop improvement. Selection is sorting out of the plants having desired characters. For example : High yield or disease resistance from plant population on the basis of homozygous characters. Plant selection is always done by breeder eg.
Which two methods are commonly used for improving the crop plants?
Crop variety improvement: It can be done either by hybridisation or by introducing a gene. (i) Crop improvement by hybridisation: Hybridisation refers to crossing between genetically dissimilar plants.
What is crop improvement process?
Crop improvement refers to the genetic alteration of plants to satisfy human needs. In the process they transformed elements of these species into crops though genetic alterations that involved conscious and unconscious selection, the differential reproduction of variants.
What are the aims of crop improvement?
What are the aims of crop improvement?
- Higher yield: The yield of the crops can be increased by allowing cross-breeding and hybridization of several plants.
- Improved quality: The size, taste, color, nutritional value of the crops can be improved or increased with the help of soil and crop productivity knowledge.
What are the three methods of crop improvement?
Methods used for crop improvement:
- Plant Introduction.
- Selection.
- Hybridization.
- Mutation Breeding.
- Polyploidy.
What is animal and crop improvement?
This defined as science and art of raising or producing new animal species with specific desired traits to meet the requirement of livestock farmers and consumers. Examples of desired traits include. High growth rate. High feed conversion efficiency.
What is land preparation tools?
Soil Preparation: Tools and Implements
- A tractor is a a powerful motor- driven vehicle with large, heavy treads, used for pulling farm machinery, other vehicles, etc.
- Rototiller motorized device having spinning blades perpendicular to the ground and arranged like spokes, used for tilling soil.
What are the aim of animal improvement?
To produce animals with high growth rate and early maturity. To produce animals that can adapt to varied climatic conditions. To produce animals that are resistant to disease and parasites. To produce different breeds of animals.
What is meant by soil improvement?
Soil improvement in its broadest sense is the alteration of any property of a soil to improve its engineering performance such as strength, reduced compressibility, reduced permeability, or improved ground water condition.
What are the four major categories of range improvement techniques?
Improving ranch productivity through range improve- ments has four main components: (1) selection of the most appropriate practice or practices for each site and situation; (2) management of the resource after it has been improved; (3) maintenance of productivity by re- treatment if necessary, and (4) integration and …
