Results 131 to 140 of about 2,326 (149)
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Nematologica, 1984
Development of potato cyst-nematodes in roots of resistant potato plants was studied using a technique which confined invasion to a limited portion of the root system. Comparisons were made between development in plants with the major resistance gene H1 derived from Solanum tuberosum ssp.
A.R. Stone, Susan J. Turner
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Development of potato cyst-nematodes in roots of resistant potato plants was studied using a technique which confined invasion to a limited portion of the root system. Comparisons were made between development in plants with the major resistance gene H1 derived from Solanum tuberosum ssp.
A.R. Stone, Susan J. Turner
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American Journal of Potato Research, 2016
Smallholder farmers in the Venezuelan Andes have observed that native Solanum tuberosum ssp. Andigenum (Andigena) potato varieties are less susceptible to damage from the invasive pest, Tecia solanivora P. (Lepidoptera: Gelechiidae) than improved varieties. Surprisingly, the value of using Andigena varieties in the management of T.
Carlo R. Moreno +2 more
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Smallholder farmers in the Venezuelan Andes have observed that native Solanum tuberosum ssp. Andigenum (Andigena) potato varieties are less susceptible to damage from the invasive pest, Tecia solanivora P. (Lepidoptera: Gelechiidae) than improved varieties. Surprisingly, the value of using Andigena varieties in the management of T.
Carlo R. Moreno +2 more
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1998
Se estudió la influencia que tiene la orientación de los camellones de un cultivo de papa (Solanum tuberosum ssp. tuberosum), cultivar Desireé, sobre la variación temporal y espacial de la temperatura y contenido de agua edáfica, desarrollo y su productividad, en un suelo trumao (Typic Hapludands), en la zona de Valdivia, sur de Chile.La plantación se ...
Huber, Antón +2 more
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Se estudió la influencia que tiene la orientación de los camellones de un cultivo de papa (Solanum tuberosum ssp. tuberosum), cultivar Desireé, sobre la variación temporal y espacial de la temperatura y contenido de agua edáfica, desarrollo y su productividad, en un suelo trumao (Typic Hapludands), en la zona de Valdivia, sur de Chile.La plantación se ...
Huber, Antón +2 more
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Starch - Stärke, 2019
AbstractThe physicochemical properties of starches of 16 Andean potato genotypes from the Quebrada de Humahuaca, Jujuy, are studied and possible applications are evaluated. Moisture, protein, ash, phosphorus, amylose/amylopectin ratio, particle size, swelling power, water absorption index, solubility index, syneresis, turbidity, thermal properties ...
Sonia Calliope +2 more
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AbstractThe physicochemical properties of starches of 16 Andean potato genotypes from the Quebrada de Humahuaca, Jujuy, are studied and possible applications are evaluated. Moisture, protein, ash, phosphorus, amylose/amylopectin ratio, particle size, swelling power, water absorption index, solubility index, syneresis, turbidity, thermal properties ...
Sonia Calliope +2 more
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Plant Science, 2006
A drought screen is described that identifies accessions of Solanum tuberosum ssp. andigena that show varying degrees of physiological acclimation or adaptation to repeated drought stress. VTSA01 shows adaptation, recovering photosynthesis after a first cycle and maintaining this ability upon subsequent stress exposure.
Jonathan I. Watkinson +9 more
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A drought screen is described that identifies accessions of Solanum tuberosum ssp. andigena that show varying degrees of physiological acclimation or adaptation to repeated drought stress. VTSA01 shows adaptation, recovering photosynthesis after a first cycle and maintaining this ability upon subsequent stress exposure.
Jonathan I. Watkinson +9 more
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Australian Journal of Entomology, 1998
Tests were undertaken with tubers of four potato cultivars to determine whether differences were apparent in susceptibility to the insect pest the potato tuber moth (Phthorimaea operculella). Under choice test conditions, in which neonates were allowed to invade intact potato tubers, there was no significant difference in the numbers of larval mines ...
GM Gurr, CA Symington
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Tests were undertaken with tubers of four potato cultivars to determine whether differences were apparent in susceptibility to the insect pest the potato tuber moth (Phthorimaea operculella). Under choice test conditions, in which neonates were allowed to invade intact potato tubers, there was no significant difference in the numbers of larval mines ...
GM Gurr, CA Symington
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2020
Plants are exposed to the stress of the environment throughout their entire live. They therefore had to develop sophisticated mechanisms to avoid or tolerate stress. In some plants, repeated exposure to stress increases tolerance, which is known as stress memory.
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Plants are exposed to the stress of the environment throughout their entire live. They therefore had to develop sophisticated mechanisms to avoid or tolerate stress. In some plants, repeated exposure to stress increases tolerance, which is known as stress memory.
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1993
Solanum tuberosum ssp. andigena CPC 1673 has been widely used in potato breeding as a source of resistance to the potato cyst nematode Globodera rostochiensis. The potato cultivar Multa, derived from CPC 1673, does not carry this resistance, based on a single gene, but has been reported to show some resistance to Globodera pallida populations.
F. K. Arntzen +2 more
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Solanum tuberosum ssp. andigena CPC 1673 has been widely used in potato breeding as a source of resistance to the potato cyst nematode Globodera rostochiensis. The potato cultivar Multa, derived from CPC 1673, does not carry this resistance, based on a single gene, but has been reported to show some resistance to Globodera pallida populations.
F. K. Arntzen +2 more
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2017
The purpose of our investigation was determination of allelic state of the H1 resistance gene against the pathotypes Ro1 and Ro4 of golden potato cyst nematode (Globodera rostochiensis) among Ukrainian and world potato (Solanum tuberosum ssp. tuberosum) cultivars. The allelic condition of the TG689 marker was determined by PCR with DNA samples isolated
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The purpose of our investigation was determination of allelic state of the H1 resistance gene against the pathotypes Ro1 and Ro4 of golden potato cyst nematode (Globodera rostochiensis) among Ukrainian and world potato (Solanum tuberosum ssp. tuberosum) cultivars. The allelic condition of the TG689 marker was determined by PCR with DNA samples isolated
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