Pachhunga University College (Mizoram University) Institutional Repository
Browsing by Subject
Showing results 61 to 80 of 279
< previous
next >
- Breastfeeding, Neonatal mortality, IDHS-II, Binary logistic regression, Population attributable risk 1
- Breeding biology, Indian Black Eagle, Mizoram, Sailam 1
- Buhchangphai, Soil fertility, Soil enzyme activity, Wetland paddy field 1
- By’ aa; W aay; aa Pa; a; call count . 1
- Callicarpa arborea, Scanning electron microscopy, Tapeworm, Tegument 1
- Cancer, health, Nicotiana, smokeless, smoking, tobacco 1
- carbohydrates; bifunctional thiourea; organocatalyst; enantioselective; Michael addition; aldol reaction 1
- Caterpillars, infestation, host, parasite, economy, control-management 1
- CatfishEndosulfanMalathionMALDI-TOF-MSProlactinUbiquitin 1
- Cell viability, lymphocytes, tobacco, tuibur 1
- Channa ornatipinnis, C. pulchra, COI, Taxonomy, Freshwater fish, River Kaladan, Indo-Burma Biodiversity hotspot. 1
- Chestnut-flanked white eye, Mizoram, India, first report 1
- Chhinlung, Sinlung, Khul, cave, cave house, Yaodong, Kuki, Chin, Mizo, Ch'iang, origin, China, Tibet 1
- child death clustering, child mortality, India, low‐ and middle‐income countries, meta‐analysis, PRISMA‐P 1
- Child Feeding Index (CFI) · Maternal and Child Health (MCH) · Antenatal Care (ANC) · Postnatal Care (PNC) · India · Nepal and Bangladesh 1
- Chinese Hamster Lung Carcinoma, Dalton’s Lymphoma Ascites, Free Radical Scavenging, Medicinal Plant MTT Assay 1
- Christianity, Culture, festival, Kut, Missionary, Mizo, and traditions 1
- Civil society, Government, Non-governmental organizations, Social capital, Voluntary developmental organisations 1
- Clay, Estrogen, Hybrid materials, Hydrophobic, Kinetics, Sorption 1
- Climate change is causing temperature increment in crop production areas worldwide, generating conditions of heat stress that negatively affect crop productivity. Tomato (Solanum lycopersicum), a major vegetable crop, is highly susceptible to conditions of heat stress. When tomato plants are exposed to ambient day/night temperatures that exceed 32 °C/20 °C, respectively, during the reproductive phase, fruit set and fruit weight are reduced, leading to a significant decrease in yield. Processing tomato cultivars are cultivated in open fields, where environmental conditions are not controlled; therefore, plants are exposed to multiple abiotic stresses, including heat stress. Nonetheless, information on stress response in processing tomatoes is very limited. Understanding the physiological response of modern processing tomato cultivars to heat stress may facilitate the development of thermotolerant cultivars. Here, we compared two tomato processing cultivars, H4107 and H9780, that we found to be constantly differing in yield performance. Using field and temperaturecontrolled greenhouse experiments, we show that the observed difference in yield is attributed to the occurrence of heat stress conditions. In addition, fruit set and seed production were significantly higher in the thermotolerant cultivar H4107, compared with H9780. Despite the general acceptance of pollen viability as a measure of thermotolerance, there was no difference in the percentage of viable pollen between H4107 and H9780 under either of the conditions tested. In addition to observations of similar pollen germination and bud abscission rates, our results suggest that processing tomato cultivars may present a particular case, in which pollen performance is not determining reproductive thermotolerance. Our results also demonstrate the value of combining controlled and uncontrolled experimental settings, in order to validate and identify heat stress-related responses, thus facilitating the development of thermotolerant processing tomato cultivars 2