Figure 1.

Peg development and formation of aerial pod in peanut. (A) flower; (B) emasculated flower ovary at the base of gynophore; (C) emergence of peg from dehisced flower; (D–E), peg bending towards gravity; (F) peg penetration into the soil with whitish hairs at the base of soil penetration; (G) morphological changes into a peg after soil penetration; (H) abortion of aerial peg due to failure of soil penetration; (I–J) development of aerial pod under water deficit condition. Arrow is used to highlight the specified content of respective images.