不同小整薯规格和药剂拌种处理对旱作重茬马铃薯生长及产量的影响

以定薯5号为试验材料,在马铃薯重茬地进行田间试验,研究不同小整薯规格和药剂拌种处理对马铃薯生长和产量的影响。结果表明,小整薯播种比种薯切块播种处理出苗期和成熟期提前,株高增加,单株根数、单株主茎数和单株结薯数增多,出苗率、大中薯率和产量提高。与不拌种播种相比,药剂拌种播种处理的株高增高,单株主茎数、匍匐茎数和单株结薯数增多,出苗率、大中薯率和产量提高,用72%农用链霉素0.04kg+滑石粉2kg拌种50kg种薯对马铃薯黑痣病防治效果最好,达到60.1%。

Effects of Planting Small Whole Potatoes with Different Specifications and Seed Dressing on the Growth and Yield of Potatoes in Continuous Cropping Land

The Dingshu No.5 was selected as the test material, and the field experiments were carried out in the continuous cropping land to study the effects of sowing small whole potato with different specifications and medicament seed dressing on potato growth and yield. The results showed that compared with seed potatoes cutted, the seedling stage and the maturity stage of small whole potato planting treatment were earlier, the plant height was higher, the number of roots per plant, the number of main stems per plant and the number of tubers per plant were increased, the emergence rate, the large and medium potatoes rate and the yield were increased. Compared with untreated seed potatoes, the plant height was higher, the number of main stems per plant, the stolon number per plant and the number of tubers per plant were increased, the emergence rate, the large and medium potatoes rate and the yield were increased, and the treatment of 72% agricultural streptomycin 0.04kg + talc powder 2kg dressing 50kg seed potato had the best effect on the control efficiency (60.1%) of potato black scurf.