Genotype * environment influence on cowpea (Vigna unguiculata (L) Walp) antinutritional factors: 1. Trypsin inhibitors, tannins, phytic acid and haemagglutinin

acide phytique acido fitico agglutinine agglutinins aglutininas antinutritional factors caupi cowpeas facteur antinutritionnel factores antinutricionales genotipos genotype environment interaction genotypes haemagglutinins inhibidores de proteinasas inhibidores de tripsina inhibiteur de trypsine phytic acid proteinase inhibitors taninos tannin tannins tripsina trypsin trypsin inhibitors trypsine vigna unguiculata