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What causes empty shells in walnuts? Causes and prevention methods
Causes of empty shells in walnuts and prevention methods
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What are some practical methods to reduce empty shells in sunflowers?
I. Symptom identification 1. Sunflower rust is a major disease of sunflowers, reducing yields by 40-80% in pandemic years. After infection, rust-like spore piles can form on leaves, petioles, stems, flower disks and other parts. When leaves are infected, small brown blisters first appear on the underside of the leaves; these are the uredinia of the pathogen, and after the surface ruptures, brown...
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How to prevent empty-shell fruit in longan? These measures you need to master
Preventive measures for empty-shell fruit in longan