This image is used for Anim_Ramp01 which I explained above. White areas are the parts that will turn brown and yellow. White dots were so we see yellow, brown speckles all over the leaf (Fig.12).
Fig 12
Transparency map for the leaf that rots and crackles away. White areas are where geo will become transparent for illusion of a leaf crumbling away (Fig.13).
Fig.13
Patterned colour map:
Had to repeat UV four times to get the desirable effec (Fig.14).
Fig.14
Like I explained in the beginning (A) and (B) two shaders gets combined by layered texture (C) which connects to Surface shader (D). Don't forget to plug in transparency map into the final surface shader (D). (Fig.15)