A method for screening<i>Phaseolus</i>genotypes for tolerance to low temperatures

Austin, R. B.; MacLean, Malcolm

doi:10.1080/00221589.1972.11514469

Cited by 31 publications

(18 citation statements)

References 1 publication

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“…Laboratory methods of screening for cold tolerance in Phaseolus vulgaris have been described by Dickson (1971), Kooistra (1971), Austin and Maclean (1972) and Dickson and Boettger (1984). However, most of these involved constant temperatures.…”

Section: Introductionmentioning

confidence: 99%

Genotypic variation in the germination of common bean in response to cold temperature stress

1994

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Beans (Phaseolus vulgaris) are regarded as a susceptible crop to suboptimal temperatures. In temperate regions, low temperatures reduce establishment of beans when planted early in the growing season. Seeds of 14 cultivars/lines of beans were germinated in petri dishes at a constant 8, 10, 12, or 18°C or at 12 h alternating temperatures of 10/8, 12/8 or 18/8°C. Differences in germination percentages and rates between cultivars/lines were significant, especially at low temperatures. Cultivars/lines that germinated best and quickly at constant 8°C were 'Volare',

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Section: Introductionmentioning

confidence: 99%

Genotypic variation in the germination of common bean in response to cold temperature stress

1994

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“…The plants were grown in 75 mm diameter pots containing vermiculite and continuously supplied with a modified Hewitt's nutrient solution (Austin & Maclean, 1972). Two seeds were sown per pot and the seedlings thinned to one per pot after emergence.…”

Section: Methodsmentioning

confidence: 99%

GENOTYPIC VARIATION IN THE RESPONSE TO SUB‐OPTIMAL TEMPERATURES OF GROWTH IN TOMATO (LYCOPERSICON ESCULENTUM MILL.)

Paul

Hardwick²,

Parker

1984

New Phytologist

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SUMMARYA growth analysis of plants raised under controlled environment conditions was used to examine the response to temperature of five contrasting tomato cultivars bred for outdoor production. Curves were fitted to the data of dry weight and leaf area and, to compensate for ontogenetic drift, instantaneous values of growth analysis parameters were calculated from these curves at a specific growth stage. Differences in relative growth rate which could be exploited in a breeding programme were not detected, though there were large differences in the components of relative growth rate. These were, however, compensatory within a cultivar. It was concluded that in order to select a genotype with improved growth rate it would be necessary to disrupt the compensation mechanism between the components of relative growth rate.

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“…Presumably the observed variation in shoot growth at low T is mainly due to genotypic differences. Assessment of growth reduction for any specific accession at suboptimal T also requires measurements at optimal T. Austin & Maclean (1972) only used one analysis at suboptimal T and also included the primary leaves in the plant weight. Table 3.…”

Section: Discussionmentioning

confidence: 99%

“…Several selection methods have already been described, the most simple and direct of which is screening at low T. Austin & Maclean (1972) selected genotypes with an above average growth at 12.5°C in controlled-environment cabinets by regressing In plant weight against In seed weight. Varieties with high positive residuals were considered cold tolerant, but they did not exclude the possibility that good lines were those which, for their seed size, were able to make more effective use of their seed reserves.…”

Section: Introductionmentioning

confidence: 99%

A non-destructive selection method for faster growth at suboptimal temperature in common bean (Phaseolus vulgaris)

1991

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A non-destructive method has been developed to select common bean (Phaseolus vulgaris L.) plants whose growth is less effected at a suboptimal temperature. Shoot weight was determined at a suboptimal (14 ° C) and optimal temperature (20 ° C), 38 days after sowing and accessions identified with a significantly lower than average weight reduction at 14 ° C compared to their weight at 20 ° C. Weight of primary leaves and of the shoot was correlated with seed weight at both temperatures, but no correlation was found between shoot weight reduction at 14°C and seed weight.

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A method for screeningPhaseolusgenotypes for tolerance to low temperatures

Cited by 31 publications

References 1 publication

Genotypic variation in the germination of common bean in response to cold temperature stress

Genotypic variation in the germination of common bean in response to cold temperature stress

GENOTYPIC VARIATION IN THE RESPONSE TO SUB‐OPTIMAL TEMPERATURES OF GROWTH IN TOMATO (LYCOPERSICON ESCULENTUM MILL.)

A non-destructive selection method for faster growth at suboptimal temperature in common bean (Phaseolus vulgaris)

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