We don't expect to eliminate the problems that leaf-fall causes.
Trees like pilkhan and kusum have the fascinating characteristic of heavy leaf-fall during March.
The basis for this onset of sensitivity is uncertain: it might be related to leaf-fall or completion of a low-temperature requirement for bud development.
For each parent shoot type, ten branches were collected in winter, after leaf-fall.
The train company, which has made controversial changes to its autumn timetable, says it wants to highlight the problems caused by leaf-fall as many passengers don't understand why leaves can make train conditions difficult.