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一、目的:为贯彻中央五年良种普及计划,有步骤的,使未种良种的农户换种良种,已种良种的农户,再检选好种作自留种,并加速推广改良品种,兹根据本省情况和条件拟订计划及实施办法。二、方针与任务:本年的方针是普遍发动农家自选自留种自由调换外,有重点的组织评选良种收购调换,预计选种二十五万五千担。甲、重点县的选种任务:1、在过去良种推广地区,将所推广的种籽经过群众根据历年种植产量结果去评判,若确实优良,技术人员检定其纯度在百分之九十以上,大量掌握继续收购,强大推广面积,计三○二号、陕农七号、六○号、五二号、一○六号、二九○五号、碧蚂一号、碧马二号、等者八种品种,四九年推广约三五,○○○亩,预计收购六万市担,更应重视过去广大的推广地区,组织指导群众,换种推广良种和选单穗留种繁殖,重新整理出大面积的良种地,加速推广效果。2、病虫害严重的地区,评选较能抗病虫的种子,最少足供百分之二十的下季麦田换种繁殖之用,减少病虫害的损失,预计在二华、临、渭、锈病较严重的地区最少选出抗锈病麦种,需一万二千担,在盩屋兴咸长安武功等县吸浆虫严重地区,选出抗避吸浆虫的麦种,需
First, the purpose: In order to carry out the five-year plan of popularizing seedlings of the Central Government, step by step, farmers of non-seed varieties will be allowed to trade seed varieties of improved quality. Specified seed farms will be selected again for better seed selection and accelerated popularization of improved varieties According to the conditions and conditions of the province to develop plans and implementation measures. Second, guidelines and tasks: This year’s policy is to mobilize farmers to choose their own species of free exchange, the focus of the organization selected a good species exchange, is expected to choose 255,000 bear. A, the selection of key counties tasks: 1, in the past to promote the area, the promotion of the seed through the masses according to the results of planting output over the years to judge, if it is indeed fine, technicians test the purity of more than 90 percent, A large number of continue to acquire, a strong promotion of the area, number 302, Shaanxi 7, 600, 52, 106, 2905, Bi Ma, Bi Ma II, etc. Eight kinds of varieties in 1948 to promote about 35,000 ㎡, is expected to acquire 60,000 Tam, should pay more attention to the past to promote the region, the organization and guidance of the masses, a variety of popularization of improved varieties and menus spike breeding, re- Sort out a large area of seed to accelerate the promotion effect. 2. In areas with serious pests and diseases, the seeds that are better able to resist pests and diseases are selected, at least 20% of which are to be replanted in the next quarter of the year to reduce the losses of pests and diseases. At least one rust-resistant wheat species should be selected in serious areas, and 12,000 taels will be required. In serious areas of Central Plague Mushroom,