Leaf structural traits mediating pre-existing physical innate resistance to sorghum aphid in sorghum under uninfested conditions.

We found four indicative traits of innate immunity. Sorghum-resistant varieties had a greater trichome, stomatal and chloroplast density, and smaller mesophyll intercellular width than susceptible varieties. The sorghum aphid (SA), Melanaphis sorghi (Theobald), can severely reduce sorghum yield.

Morphological analysis and stage determination of anther development in Sorghum [Sorghum bicolor (L.) Moench].

The characteristics of sorghum anthers at 18 classified developmental stages provide an important reference for future studies on sorghum reproductive biology and abiotic stress tolerance of sorghum pollen. Sorghum (Sorghum bicolor L. Moench) is the fifth-most important cereal crop in the world.

High-throughput imaging of fresh-frozen plant reproductive samples in a variable pressure SEM.

Conventional light and electron microscopy are the most widely used techniques for examining plant reproductive tissues; however, they are time-consuming or expensive. The anther is the male part of the plant reproductive system. Structural changes drive development, and any structural defect may lead to an increase in fertility or cause sterility; thus, quick detection of structural changes is crucial in reproductive biology.