Effect of 0.5%abamectin liquid fertilizer on tomato root-knot nematode disease and growth promotion
Abamectin is a hexadecyclic macrolide compound with insecticidal,acaricidal and nematicidal activities,which has the characteristics of novel structure,dual use of agriculture and livestock,slow production of resistance,contact killing,stomach toxicity,strong penetration,no teratogenic,carcinogenic and mutagenic effects,and is one of the most popular products in the current biopesticide market.In order to explore the application technology of 0.5%avermectin liquid fertilizer on tomato root-knot nematode disease resistance and its growth-promoting technology,0.5%avermectin liquid fertilizer was prepared into different concentration solutions,and the activity of nematodes inhibition was measured in the laboratory,and the potted tomatoes were washed to observe and record the occurrence of tomato root-knot nematode disease and the changes of agronomic traits.Studies have shown that 0.5%avermectin liquid fertilizer has the ability to knock down and kill root-knot nematodes.When diluted 800 times,the indicators of tomato agronomic traits reached the highest.Therefore,it is recommended to use 0.5%avermectin liquid fertilizer with a concentration of 800 times dilution,and the tomato has the best effect on root-knot nematode disease and growth.
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