独蒜的栽培技术
独蒜是和普通蒜一样种植吗?成熟了是不是还是只有一颗种子啊
推荐回答(4个)
通常为提高商品蒜头的产量和品质,要尽量减少独头蒜的数量,但近年来独头蒜作为一种特色商品,在市场上颇受消费者欢迎,价格也比较高。南方的大蒜品种大多蒜头小,蒜瓣也小,北方也有一些蒜瓣多而小的白皮大蒜,食用时剥皮比较麻烦,其中除了一部分用作蒜苗栽培外,多被当作废物抛弃,如果利用它们生产独头蒜,则可变废为宝。独头蒜可以加工成糖醋蒜,如湖北荆州、沙市生产的甜酸独头蒜,颗粒圃整,质地清脆,甜酸爽口,风味独特,成为畅销国内外及东南亚各国的传统名优商品,所用原料就是利用白皮大蒜中的小蒜瓣作蒜种培育而成。所以,掌握独头蒜的栽培技术,也是一条提高大蒜经济效益的途径。
1.整地做畦
选择砂壤土或轻壤土。忌连作。前作物收获后,每667平方米施腐熟圈粪2500千克、过磷酸钙50千克作基肥。浅耕耙耱后做成宽1. 4米左右的平畦,要求畦面平整。
2.品种选择
生产独头蒜所用的种瓣必须是小蒜瓣,所以一般多从蒜瓣较多而蒜瓣较小的大蒜品种中选择。但是,同为小蒜瓣而大蒜品种不同时,所得独头蒜的百分率和单头重有明显差异,从而影响独头蒜的产量和质量。因此,在从事独头蒜生产前,应进行品种比较试验,选出适宜在当地种植的、独头率较高、单头重较大的品种。据报道,二水早、彭县早熟、温江红七星等早熟大蒜品种,采用重0.5~1克的蒜瓣作种瓣时,独头率可达76%~92%,单头重4~6克。
3.挑选种瓣
生产独头蒜的种瓣大小,关系到独头蒜的产量和质量。选择大小适宜的蒜瓣作种蒜,才能获得高的独头率和大小适中的独头蒜。如果种瓣太大,则会生产出有2~3个蒜瓣的小蒜头,使独头率降低;如果种瓣太小,则生产出的独头蒜太小,丧失商品价值。一般要求独头蒜的单重达到5~8克。为了生产出独头率高而且大小适宜的独头蒜,需要进行种瓣大小与独头率及单头重关系的试验。据湖北的生产经验,采用当地白皮蒜品种中的小蒜瓣(又称“狼牙蒜”)作种瓣时,以百粒重在90克以下为宜。
4.播种生产
独头蒜的适宜播期必须在当地做分期播种试验才能确定。播早了,蒜苗的营养生长期长,积累的养分较多,易产生有 2~3个蒜瓣的小蒜头;播晚了,独头蒜太小。秋播地区一般较蒜头栽培推迟50天左右播种。每667平方米用种量一般为 100千克左右。
播种时先按15厘米行距开沟,沟深约6厘米,然后按株距3~4厘米播种瓣,随即覆土,厚3~4厘米。全畦播完后,均匀撒播小萝卜种子,每亩用种量0.5千克左右,播后耙平畦面,灌水。混播小萝卜种子的目的是利用小萝卜发芽出苗快的特性,抑制蒜苗的生长,似增加独头率,减少分瓣蒜。
5.田间管理
小萝卜出苗后分期间苗,使保持6~8厘米的距离。翌年早春将小萝卜全部收获上市后,蒜田进行中耕、除草、追肥、灌水等项管理。在蒜头膨大期间要保证水分的充足供应。
6.收 获
秋播地区在翌年立夏前后(5月上旬)当假茎变软、下部叶片大部干枯后及时挖蒜。收早了,独头蒜不充实;收迟了,蒜皮变硬,不易加工。加工用的独头蒜,挖出后及时剪除假茎及须根,运送到加工厂,要防止日晒、雨淋。作为鲜蒜上市出售的,挖蒜后要在阳光下晾晒2~3天,防止霉烂。一般667平方米产300千克左右,高产者可达500千克。
一样的,都是栽土中种出来的 ,只是点种不一样,整蒜是独立的,普通的蒜是分瓣的。
独蒜:播种时先按15厘米行距开沟,沟深约6厘米,然后按株距3~4厘米播种瓣,随即覆土,厚3~4厘米
普通蒜:一般行距20cm,株距16~17cm,每667平方米2万株左右。方法是用耙或开沟器开沟,沟深5cm左右,栽后蒜上方盖土1cm左右
怎么容易种出独头蒜?独头蒜的种子和普通大蒜的种子有什么不同?
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