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为研究宿根蔗黄化苗喷施不同微量元素前后转绿率的变化及最终产量的差异,探明喷施前后不同处理对宿根甘蔗黄化苗转绿的影响,选择宿根蔗幼苗黄化发生严重的蔗区,叶面喷施7种不同的微量元素肥料,分别用Fe、Fe-6、Mn、Zn、Mo、Mg、B、CK表示,以叶面喷施蒸馏水为对照,共8个处理,3次重复。结果显示:大田试验条件下,对宿根甘蔗黄化苗叶面分别喷施0.35%硫酸亚铁、0.075%乙二胺邻二羟基乙酸铁、0.15%硫酸锰、0.2%硫酸锌、0.1%钼酸铵、0.15%硫酸镁、0.15%硼砂等7个处理,在黄化苗较严重的前期,都能够一定程度上使其转绿,其中以喷施硫酸亚铁的效果最好;喷施硫酸亚铁、硫酸锰、硫酸镁和钼酸铵的小区能有效提高甘蔗产量。表明宿根甘蔗黄化苗在一定程度上造成甘蔗减产,在幼苗期,对其喷施相应的叶面肥,能较好地提高转绿率及其产量。
In order to study the changes of green conversion rate and final yield before and after sprayed with different trace elements, the effects of different treatments before and after spraying on the greening of etiolated sugarcane yellowing seedling were studied, , Respectively. Seven different microelement fertilizers were sprayed on the foliage, respectively. The treatments were Fe, Fe-6, Mn, Zn, Mo, Mg, B and CK. , 3 times repeated. The results showed that under field conditions, the leaf surface of sugarcane etiolated sugarcane was sprayed with 0.35% ferrous sulfate, 0.075% iron dioxoacetic acid, 0.15% manganese sulfate, 0.2% zinc sulfate and 0.1% Ammonium, 0.15% magnesium sulfate, 0.15% borax and other seven treatment, the more serious in the early stage of yellow seedlings can make it turn green to some extent, of which the best spraying of ferrous sulfate; spraying sulfuric acid Asia Iron, manganese sulfate, magnesium sulfate and ammonium molybdate can effectively improve sugar cane production. Sugarcane sugarcane etiolated sugarcane could reduce yield of sugarcane to a certain extent, spraying corresponding foliar fertilizer at the seedling stage could improve the green conversion rate and its yield.