Pollination takes place immediately before the anthesis. Anthers elevate by elongating the stamen filaments, and untimately they go out the spikelet during anthesis. When anthers touch stigma, some pollen are left on the stigma. The stigma can receive pollen also during the flowering, when the spikelet opens.
Curb weight Curb weight or kerb weight is the total weight of a vehicle with standard equipment, all necessary operating consumables, a full tank of fuel, while not loaded with either passengers or cargo. This definition may differ from definitions used by governmental regulatory agencies or other organizations.
Many people become confused by the terms  curb weight  and gross vehicle weight.. It may seem contradictory that your vehicle could have two separate weights at the same time. Fortunately, however, there is an easy explanation for the difference between these two types of measuring the weight of your vehicle.ross Vehicle Weight. The gross vehicle weight is the combined weight of the vehicle and all passengers and cargo pieces in gross, that is to say, in total. Gross vehicle weight is especially important if you're driving in a delicate area or if you're carry exceptionally heavy cargo.