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breeding and screening plant types for salinity

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Salinity- mitigation – plant stress

The classical breeding approach is to (1) screen collected germplasm for salinity tolerance, (2) cross the identified tolerant types with the desired cultivars and (3) selecting the desired plant types having salinity tolerance as well as other desirable traits from the

Plant Breeding: Steps and Methods of Plant Breeding for

Plant breeding is the genetic improvement of the crop in order to create desired plant types that are better suited for cultivation, give better yields and are disease resistant. Conventional plant breeding is in practice from 9,000-11,000 years ago.

(PDF) Screening methods for salinity tolerance: A case

Supported hydroponic method for screening plants for salinity tolerance. Pots are filled with quartz gravel, 144 pots per tank, and the tanks are subirrigated every 30 min with nutrient or saline

Frontiers | Breeding and Domestiing Crops Adapted

World population is expected to reach 9.2 × 109 people by 2050. Feeding them will require a boost in crop productivity using innovative approaches. Current agricultural production is very dependent on large amounts of inputs and water availability is a major limiting factor. In addition, the loss of genetic diversity and the threat of climate change make a change of paradigm in plant breeding

BREEDING FOR ABIOTIC STRESS RESISTANCE (Drought, Cold,

BREEDING FOR ABIOTIC STRESS RESISTANCE (Drought, Cold, Salinity and alkalinity) 1. Temperature stress a. Cold resistance / tolerance : This is applicable in case of rice grown in Gudalur taluk of Nilgiris and Cuum valley. Numerous methods have been

4.3 Drought tolerance: Screening methods

Drought screening systems should be uniform, repeatable and differentiate genotypes Field and irrigation management are critical for drought screening Screening procedures are function of targets, needs and means. Each breeding program should adapt

Screening methods for salinity tolerance: a case study with

Supported hydroponic method for screening plants for salinity tolerance. Pots are filled with quartz gravel, 144 pots per tank, and the tanks are subirrigated every 30 min with nutrient or saline solution from a 44 gallon drum, by a pump activated by a timer. Solution

Uncoupling of sodium and chloride to assist breeding

The lack of rapid and reliable screening methods for assessment of salinity tolerance has also contributed to slow progress in breeding (Genc et al., 2007). To date, most studies have used short‐term hydroponics or soil‐based vegetative trials, with findings that tend to be poorly correlated with grain yield (Maas & Hoffman, 1977 ; Munns & James, 2003 ; Genc et al ., 2010a , 2013 , 2014

New Insights on Plant Salt Tolerance Mechanisms and

Salt accumulation inhibits plant growth and reduces the ability to uptake water and nutrients, leading to osmotic or water-def Front Plant Sci . 2016 Nov 29;7:1787. doi: 10.3389/fpls.2016.01787.

Frontiers | An Effective Screening Method and a Reliable

Salinity is a major and complex abiotic stress that inhibits plant growth and reduces crop yield. Given the global increase in soil salinity, there is a need to develop salt-tolerant species. Brassica napus L. is an important oilseed crop with some level of salt tolerance. However, few studies have evaluated its salt tolerance thoroughly or screened for traits that can be reliably evaluated

Development of Salt Stress Tolerance - Screening and Selection

Tolerance - Screening and Selection Systems for Genetic Improvement Michael C. Shannon U. S. Salinity Laboratory, USDA-AIRS Riverside, CA ABSTRACT Selection for high-yielding, salt-tolerant cultivars has proven to be an elusive target for plant of breeders

PROTOCOL: Salt tolerance screening in rice using hydroponics

Breeding for salt tolerance is a major goal for rice breeders for which screens are required to select out tolerant lines for breeding. Screening for salt tolerance in the field is difficult as soil salinity is dynamic: the level of salt varies both horizontally and vertically in the soil profile and changes with time.

4.1 Salt tolerance - Home - IRRI Rice Knowledge Bank

Reliable and repeatable screening techniques are the mainstay of any successful breeding programme specifically for biotic or abiotic stress breeding. Though screening techniques vary with crop species, growth stage and type of stress imposed but ideally it should be rapid, reproducible, easy and affordable.

Screening plants for salinity tolerance. - CAB Direct

Attention is focused on the screening of plants that will produce economic yields on saline soils and commercial conditions, and on interactions of salinity with other environmental factors. KEYWORDS: TROPAG | Soils | fertilizers and plant nutrition | Plant Breeding

Plant Breeding: Steps and Methods of Plant Breeding

Plant breeding is the genetic improvement of the crop in order to create desired plant types that are better suited for cultivation, give better yields and are disease resistant. Conventional plant breeding is in practice from 9,000-11,000 years ago.

Development of Salt Stress Tolerance - Screening and Selection

Tolerance - Screening and Selection Systems for Genetic Improvement Michael C. Shannon U. S. Salinity Laboratory, USDA-AIRS Riverside, CA ABSTRACT Selection for high-yielding, salt-tolerant cultivars has proven to be an elusive target for plant of breeders

Faculty : Centre for Plant Genetics and Breeding : The

Plant Genetics and Breeding, Centre for (PGB) Contact details Phone +61 8 6488 1233 Email [email protected] Qualifiions Bsc (Ag), HAU, China, MAg HAU, China., PhD UW, Australia. Biography Ping Si is a Research fellow at the Centre for Plant

Breeding strategies for structuring salinity tolerance

1/1/2019· Subsequently several studies have focused on screening SHWs for salinity tolerance using different protocols to identify promising genotypes for further use in breeding. These included screening of 97 SHWs at 100 mM NaCl for 35 days ( Pritchard et al., 2002 ), 88 SHWs at 150 mM NaCl ( Dreccer et al., 2004 ), and 13 SHWs at various NaCl regimes ( Gurmani et al., 2014 ).

Development of Salt Stress Tolerance - Screening and Selection

Tolerance - Screening and Selection Systems for Genetic Improvement Michael C. Shannon U. S. Salinity Laboratory, USDA-AIRS Riverside, CA ABSTRACT Selection for high-yielding, salt-tolerant cultivars has proven to be an elusive target for plant of breeders

Plant Breeding for Salt Resistance

The commonly used methods are: 1) Lysimeter micro plots, 2) Sand culture, and 3) Solution culture tanks. The Lysimeter micro plots of 6 m X 3 m X 1 I size are used at CSSRI, Karnal. Several levels of salinity are used and replied experiments are conducted to screen for salt resistance.