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1980—84年我们选择本县源头公社金华大队果场进行了本试验。沙田柚试材树计100株,系1973年成片定植(压条苗),到1980年时均未开花结果。设置三种处理:Ⅰ.于每年9月底至10月初挖深坑,切断部分侧根,并在离地5寸以上树干处砍3刀(砍伤皮部);Ⅱ.重复处理Ⅰ,另于第二年春花蕾露白至开花期间,在各分枝上用小刀刻划3刀;Ⅲ.重复处理Ⅰ、Ⅱ,另于幼果开始转青时,在结有果的枝上刻划3刀(刻伤皮部即可)。另设不处理作对照。1980年9月开始处理,第二年(1981)处理植株
In 1980-84, we selected this county source commune Jinhua Brigade fruit field conducted this experiment. Sliced pomelo trees planted 100 strains, the Department of film planting in 1973 (pressure strip seedlings), to the year 1980 were not flowering results. Set three kinds of treatment: Ⅰ. At the end of September each year to early October to dig deep pit, cut off part of the lateral roots, and 5 inches above the ground cut 3 knives (chopped skin); Ⅱ. Repeat treatment Ⅰ, Two spring spring buds to bloom during the blooming period, scored 3 knives on each branch with a knife; Ⅲ. Repeat treatment Ⅰ, Ⅱ, the other when the young fruit began to turn green, fruiting branches in the knot scored 3 knives (engraved Wound skin department can be). Another set not deal with control. The treatment started in September 1980 and the second year (1981)