Table 4.
Effects of high temperature on the process of photosynthesis in some legume crops.
| Plant | Temperature | Effects | Reference |
|---|---|---|---|
| Soybean | 42/43°C | Damaged PSII | Ferris et al., 1998; Li S.J. et al., 2009; Li W. et al., 2009 |
| Reduced Fv/Fm | |||
| Soybean | 45/40°C | Damaged PSII | Srinivasan et al., 1999 |
| Broadbean | 42°C | Decreased photosynthesis | Hamada, 2001 |
| Beans | 30°C | Reduced Q10 | Pastenes and Horton, 1996 |
| Beans | 30–35°C | Limited carbon assimilation and reduced supply of NADPH | Pastenes and Horton, 1996 |
| Sorghum | 40/30°C for 45 days | Decreased photosynthetic rate | Djanaguiraman et al., 2010 |
| Chickpea | 45/35°C | Inhibited chlorophyll content and photochemical efficiency; reduced photosynthesis and Fv/Fm | Kumar et al., 2013 |
| Chickpea | Above 32/20°C | Reduced RuBisCO and sucrose activities | Kaushal et al., 2013 |
| Chickpea | 45/35°C | Damaged PSII | Srinivasan et al., 1999 |
| Soybean and bird’s foot trefoil | Above 40°C | Disrupted normal functioning of PSII and impaired structure and functioning of related proteins and enzymes | Sainz et al., 2010; Board and Kahlon, 2011 |
| Soybean | 38/28°C | Reduced Chl content (by 18%) and photosynthesis (to 20%) | Tan et al., 2011 |
| Groundnut | 45/40°C | Damaged PSII | Srinivasan et al., 1999 |
| Faba bean | 30–40°C | Decreased chlorophyll variable, reduced photosynthetic rate, impaired chloroplast activity | McDonald and Paulsen, 1997 |
| Lentil | 30–35°C | Limited electron flow | Redden et al., 2014 |
| Mungbean | Impaired photosynthetic efficiency | Bansal et al., 2014 | |
| Mungbean | >40°C | Decreased sucrose in leaves due to reduced RuBisCO activity and sucrose synthesizing enzymes | Bindumadhava et al., 2017 |
| Pea | 25–35°C | Decreased photosynthetic activity | Haldimann and Feller, 2005 |
| Pea | 40°C | Inhibited electron donation by OEC | Oukarroum et al., 2013 |
| Pigeon pea | 45/40°C | Damaged PSII | Srinivasan et al., 1999 |