Differential feeding by grasshoppers and levels of foliar diseases in various cultivars of spring cereals |
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| Institution: | 1. National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China;2. The State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China;3. Novogene Bioinformatics Institute, Beijing 100083, China;4. Collaborative Innovation Center of Crop Stress Biology & Institute of Plant Stress Biology, School of Life Science, Henan University, Kaifeng 475004, China;5. Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan 611130, China;1. Institute of Plant Protection, Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan 750002, China;2. AgResearch, Lincoln, Private Bag 4749, Canterbury 8140, New Zealand;3. State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Science, Beijing 100193, China;4. Department of Grassland Resources and Ecology, College of Grassland Science and Technology, China Agricultural University, Beijing 100193, China;1. North Florida Research and Education Centre (NFREC), Univer. of Florida, 155 Research Road, Quincy, FL 32351, USA;2. Department of Agronomy, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan;3. Lab of Agronomy, Department of Agricultural Development, Democritus University of Thrace, Greece;4. Department of Plant Breeding and Genetics, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan;5. Department of Soil and Environmental Science, the University of Agriculture Peshawar, Peshawar, Pakistan;6. Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh 11451, Saudi Arabia;7. Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 600 077, India |
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| Abstract: | Sixty-four cultivars and strains of cereals were evaluated under field conditions for differential feeding by grasshoppers, (Orthoptera:: Acrididae) and for their resistance to foliar disease. Grasshoppers actively fed on all triticale and durum wheat lines, on 11 of 12 bread wheat lines, and on 11 of 24 barley lines. Both the incidence and severity of foliar disease were high in all cereals. There was no correlation between grasshopper damage and resistance to foliar disease (r+ −0·059) in the barley but a positive trend appeared in wheat lines (bread r= +0·487; durum r= +0·295). The data suggest that present trends in breeding disease-resistant cereal cultivars will not introduce increased susceptibility to grasshopper damage. |
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