马铃薯不同生育期喷施植物生长调节剂对产量的影响

对马铃薯不同生育期叶面喷施植物生长调节剂"通田补"对产量的影响进行试验。结果表明,马铃薯在团棵期和初花期各喷1次"通田补"效果最佳,每667m2产量达2170.11kg,较对照增产29.3%。喷施该植物生长调节剂,可补充从土壤中吸收不到的营养物质,使喷施的无机营养能迅速渗透到茎叶里,激发细胞活力,加速营养吸收,增加叶绿素的合成量,提高光合效率,促进淀粉积累,加速形成的光合产物向块茎转移,促使马铃薯地下块茎膨大,形成大薯。

The Effect of Spraying Plant Growth Regulator at Different Stages on The Yield of Potatoes

The effect of spraying plant growth regulator at Different stages on the yield of potatoes was tested. The results show that spraying plant growth regulator at flowering stage and rosette stage could get the best effect （the yield is 2 170.11 kg/667m2, increased by 29.3%） . By Spraying plant growth regulator, the plants can absorb nutrients which is lack in soil, and the sprayed inorganic nutrients can quickly permeate into the stems and leaves, stimulate cell vitality to accelerate the absorption of nutrition, increase the chlorophyll synthetic, improve light and efficiency, promote starch accumulation, accelerate formation of photosynthesis production to tuber metastases, make plant robust and root developed, prompt underground potato tuber swollen, form large fries.