In this paper,the identification,screening and evaluation of resistance in partial tomato cultivars of Sichuan Province were carried out in natural disease nursery so as to provide a scientific basis for the breeding ...In this paper,the identification,screening and evaluation of resistance in partial tomato cultivars of Sichuan Province were carried out in natural disease nursery so as to provide a scientific basis for the breeding of disease-resistant cultivars.The result showed most of the tomato cultivars had certain resistance to main diseases.Some tomato cultivars even had resistance to 2-3 kinds of diseases simultaneously.The tested tomato cultivars showed the highest resistance to Fusarium wilt,and 73.33% of the tested cultivars were resistant.In terms of Botrytis cinerea,40.00% of the tomato cultivars are resistant and 50.00% of the tomato cultivars are tolerant.Most of the tomato cultivars are moderately resistant to late blight.However,tomato cultivars are generally susceptible to viral disease.The viral disease-resistant tomato cultivars only accounted for 13.33% of the total cultivars.展开更多
基金Supported by Crop Breeding Key Projects of Sichuan Province(2011NZ0098-17-62011NZ0098-7)~~
文摘In this paper,the identification,screening and evaluation of resistance in partial tomato cultivars of Sichuan Province were carried out in natural disease nursery so as to provide a scientific basis for the breeding of disease-resistant cultivars.The result showed most of the tomato cultivars had certain resistance to main diseases.Some tomato cultivars even had resistance to 2-3 kinds of diseases simultaneously.The tested tomato cultivars showed the highest resistance to Fusarium wilt,and 73.33% of the tested cultivars were resistant.In terms of Botrytis cinerea,40.00% of the tomato cultivars are resistant and 50.00% of the tomato cultivars are tolerant.Most of the tomato cultivars are moderately resistant to late blight.However,tomato cultivars are generally susceptible to viral disease.The viral disease-resistant tomato cultivars only accounted for 13.33% of the total cultivars.