防治豆类作物根腐病和其他病原体：草原种植者的实用解决方案.pdf

1、1Root Rot in Pulse Crops:Current Status,Challenges,and SolutionsFor Top Crop Summit Saskatoon Feb 26,2026Addressing disease threats to improve crop healthBy Dale Risula,P.Ag.Ministry of Agriculture Crops and Irrigation Branch2Current Status of Root Rot in Pulses3Importance of Pulses in Sustainable A

2、gricultureNitrogen Fixation BenefitsPulses fix nitrogen naturally,reducing the need for synthetic fertilizers and improving soil fertility for sustainable farming.Crop Diversity and Disease ControlIncluding pulses in crop rotations enhances diversity and helps break disease cycles in cereal and oils

3、eed crops.Water EfficiencyPulses require less water compared to many crops,making them ideal for semi-arid and water-scarce regions.Soil Health and Emission ReductionPulse cultivation improves soil structure,fertility,and reduces greenhouse gas emissions linked to fertilizer use.4Root Rot Prevalence

4、 and TrendsIncreasing Root Rot PrevalenceSince 2010,root rot prevalence in pulse crops has increased significantly across Canadian growing regions.Environmental Impact on SeverityFluctuations in incidence and severity correlate with environmental factors like precipitation levels.Challenges in Lenti

5、l DetectionSymptoms in lentils are harder to detect due to natural root discoloration,complicating management.Need for Monitoring and ManagementOngoing monitoring and adaptive strategies are crucial to manage persistent root rot challenges.Summary of Differences62025 field pea diseases Root rot comp

6、lex Present in 87%of fields Average incidence of 50%Severity:2.09(1-7 disease severity scale)7Saskatchewan-Pea00.511.522.533.540102030405060708090100201620172018201920202021202220232024DiseasePrevalenceIncidenceSeverityLinear(Prevalence)Linear(Incidence)Linear(Severity)0500,0001,000,0001,500,0002,00