From inside the January 1997 around three grownups of every analysis types were picked once the maternal trees into experimental hand-pollinations
Cross-virility tests
As flowering is approximately parallel certainly one of maternal woods and you will dos–3 employees are necessary to complete the fresh pollinations at each maternal tree every single day, dealing with over three maternal woods for every kinds was not feasible. To allow day-after-day use of herbs, a deck try built regarding shelter of any maternal tree, accessible by the a series of interlocking aluminium ladders wired into the bole. Safety gizmos was applied to have hiking even though working on systems.
Throughout the period of blooming (?dos wk each individual), each maternal tree is hand-pollinated every single day having fun with pollen of four donors representing a variety of crossing ranges. (more…)