几年来,我社广大贫下中农,在毛主席革命路线指引下,大搞科学实验活动,经过反复试验,初步摸索并掌握了水浮莲、水葫芦种子繁殖技术,为扩大繁殖这两种水生饲料和绿肥找到了新的门路。过去采用温室保苗越冬,用工多,成本高,保种少,成活率低。采用种子繁殖,不但可以克服这些缺点,而且设备简单,行之有效,容易推广。水浮莲种子繁殖 (一)水浮莲的生育规律水浮莲性喜温暖,在气温12℃以上才能生存,霜降前后随气温下降而逐渐枯萎死亡。水浮莲适宜温度23-32℃,25-35℃繁殖最快。5月份放养,6-7月份开花,8月份为盛花期。从开花到形成果实约7-8天,果实为浆果,籽粒果球形(如绿豆大)褐绿色,结在叶片间,每个果球有5-20粒种子不等。种子呈腰鼓状,长2-3毫米,直径1.5-1.6毫米,每克约650-700粒。成熟种子为黄绿色至黄褐色,未成熟的种子为嫩绿色。水浮莲果皮很薄,容易自然破裂、脱落,且成熟先后不一。 (二)选株与采种 In the past few years, under the guidance of Chairman Mao’s revolutionary line, the vast majority of poor and middle-level peasants in our society have conducted a large number of scientific experiments. Through trial and error experiments, we initially explored and mastered the seed propagation techniques of water hyacinth and water hyacinth. In order to expand the breeding of these two aquatic feeds And green manure found a new way. In the past the use of greenhouse seedlings wintering, more labor, high cost, less species, survival rate is low. Seed breeding, not only can overcome these shortcomings, and the equipment is simple, effective, easy to promote. Water lettuce seed breeding (a) of the law of the birth of water lettuce Floating lotus kind of warm, in the temperature above 12 ℃ to survive, before and after the frost drop with the temperature gradually wither death. Water Luna suitable temperature 23-32 ℃, 25-35 ℃ breeding fastest. May stocking, June-July flowering, blooming in August. From flowering to fruit formation about 7-8 days, the fruit is a berry, the fruit is spherical (eg, mung bean) brownish green, and leaves are between the leaves with 5-20 seeds per ball. Seed waist drum, 2-3 mm long, 1.5-1.6 mm in diameter, about 650-700 tablets per gram. Mature seeds are yellow-green to yellow-brown, immature seeds are tender green. Water lettuce peel is very thin, easy to naturally rupture, fall off, and maturity have different. (B) selected strains and seed collection