Annual report ..[bulletins and circulars] . 85. — Talman Sweet. From Talman Sweet pollen above, fromWagener polleyi below. No benefit front cross-pollination. on whether it has value in itself. If we are planting LeConte topollinate Kieffer, we would naturally try to get along with theleast possible number which will do the work ; but if Bartlettsare to be used for the same purpose, we can afford to increase theprpportion. Some growers plant everj^ tenth row to the polli- Pollination in Orchards. 361 nizer, but the proportion should usually be greater. This mightbe enough if the weather during
Annual report ..[bulletins and circulars] . 85. — Talman Sweet. From Talman Sweet pollen above, fromWagener polleyi below. No benefit front cross-pollination. on whether it has value in itself. If we are planting LeConte topollinate Kieffer, we would naturally try to get along with theleast possible number which will do the work ; but if Bartlettsare to be used for the same purpose, we can afford to increase theprpportion. Some growers plant everj^ tenth row to the polli- Pollination in Orchards. 361 nizer, but the proportion should usually be greater. This mightbe enough if the weather during the blossoming season is veryfavorable for cross-pollination by wind and insects; but if it isshowery, the pollinizers should be more abundant, in order that. 86.—Bradshazv Plum. From German Prune pollen above,front Bradshaw pollen below. No betiefit frovi cross-pollination. cross-pollination may be more general during the bright weatherbetween showers. If usingGarber or lycConte to pollinate Kief-fer, every third row may be the pollinizer ; if using Bartlett,every other row. For apples, cherries and domestic or Japaneseplums, the same proportion may be used. In a commercialorchard, the pollinizer should be planted in a solid row. Theoreti-cally, it is much better to have the pollinizer more evenly dis-tributed among the self-sterile trees ; practically, it will not payto so mix them except in small orchards. The advantages of general mixed would appear that the only thing to do now is to find outwhat varieties are inclined to be self-sterile and the varieties whichare best adapted for fertilizing them. But as a matter of fact,cross-pollination gives better results with nearly all varieties, bethey self-sterile or self-fertile
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