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CONDENSED TANNIN LEVELS AND RESISTANCE OF GROUNDNUTS (ARACHIS-HYPOGAEA) AGAINST APHIS-CRACCIVORA

被引：45
作者：
GRAYER, RJ
KIMMINS, FM
PADGHAM, DE
HARBORNE, JB
RAO, DVR
机构：
[1] NATL RESOURCES INST,CHATHAM ME4 4TB,ENGLAND
[2] INT CROPS RES INST SEMI ARID TROP,PATANCHERU 502324,ANDHRA PRADESH,INDIA
来源：
PHYTOCHEMISTRY | 1992年 / 31卷 / 11期
关键词：
ARACHIS-HYPOGAEA; LEGUMINOSAE; PETIOLE SAP; CONDENSED TANNINS; PROANTHOCYANIDINS; APHIS-CRACCIVORA; APHID FECUNDITY; INSECT RESISTANCE;
D O I：
10.1016/S0031-9422(00)97530-7
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
A strong negative relationship was found between the concentrations of procyanidin, a condensed tannin, in the leaf bud petioles of seven genotypes of groundnut (Arachis hypogaea) and fecundity of the aphid Aphis craccivora on the same genotypes. Genotype EC 36892 contained the highest amount of procyanidin per weight of fresh petiole (ca 0.7%) and aphids feeding on this genotype produced significantly fewer offspring than aphids reared on genotypes with low procyanidin levels. It is proposed that testing for high procyanidin concentrations may provide plant breeders with a quick and relatively simple method to screen new groundnut genotypes for resistance against Aphis craccivora.
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页码：3795 / 3800
页数：6
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