Pollen germination and pollen tube growth were inhibit in RNAi transgenic tobacco.

<p>A large population of pollen tubes of RNAi tobacco(A) compared with wild-type pollen tubes(B) to illustrate the difference of both length and number of pollen tubes; C: Western-blotting with anti-NtGNL1 to confirm the RNAi effects on pollen. NtGNL1 expression in RNAi lines. Anti-actin was used as an endogenous standard; wild-type SR1 was used as control. Bar = 100 µm.