论文部分内容阅读
巨梨因果型特大(见封面)而得名,是珍稀的晚熟梨树品种,属砂梨系统,目前全国各地均有引种栽培。 巨梨对土壤要求不严,砂土,壤土,粘土都可栽培。但以土层深厚,土质疏松,排水良好的沙壤土为好。巨梨植株生长健壮,枝条粗壮,叶片肥大,最大叶长14厘米,叶宽10厘米,枝姿直立,主枝的基角较小,需拉枝开张。每公顷900～1200株,定植1年生嫁接苗,2～3年便可开花结果,如带花芽腹接次年便可开花结果,以短果枝和短果枝群结果为主,8年后进入盛果期,株产量在120公斤以上。
Big pear causal super large (see the cover) named, is a rare late-maturing pear species, is a sand pear system, at present, all over the country have introduced cultivation. Big pear on the strict requirements of the soil, sand, loam, clay can be cultivated. However, deep soil, loose soil, well-drained sandy loam is better. Big pear grow robust, thick branches, leaf hypertrophy, the largest leaf length of 14 cm, leaf width 10 cm, Zhizhang erect, the main branch of the smaller base angle, need to open branches. 900 ~ 1200 plants per hectare, planting 1-year-old grafted seedlings, 2 to 3 years can flowering results, such as the next year with flower buds can flowering results, with short fruit branches and short branches results mainly 8 years later into Sheng Fruit period, strain output in more than 120 kg.