2 Quality品质 1) Nutritive quality营养品种 protein, amino acids) 2) Processing quality加工品质( baking, milling) 3) Commercial quality商业品质( appearance) 4) Texture and flavor适口性 5) Healthy and toxic elements保健与有毒成份 High crop quality is always negatively related to yield
2021/2/21 6 2. Quality 品质 1) Nutritive quality 营养品种 （protein, amino acids) 2) Processing quality 加工品质 (baking, milling) 3) Commercial quality 商业品质 (appearance) 4) Texture and flavor 适口性 5) Healthy and toxic elements 保健与有毒成份 High crop quality is always negatively related to yield
3 Maturity熟期 early maturing medium maturing late maturing Different types of maturity facilitate different cropping systems
2021/2/21 7 3.Maturity 熟期 • early maturing • medium maturing • late maturing Different types of maturity facilitate different cropping systems
4. Resistance抗性 Disease resistance抗病性 Pest insect resistance抗虫性 Stress resistance or tolerance Figure 8. Heavy infection of stem rust on triticale. Note hat leaf blades and sheaths are also affected (drought, coldness, freeze, salinity, alkalinity) Figure 9. Uredia of P. graminis. Note the loose epiderma
2021/2/21 8 4. Resistance 抗性 • Disease Resistance 抗病性 • Pest insect Resistance 抗虫性 • Stress Resistance or Tolerance (drought, coldness, freeze, salinity, alkalinity)