论文部分内容阅读
西红柿是人们一年四季喜爱的蔬菜之一,保护地栽培日趋发展,但有的地方仍有一定面积的露地栽培。春季栽培西红柿一般在四月下旬定植为宜。尽管肥水充足,管理及时,但由于春季风多,气温忽高忽低,易造成落花落果,影响产量的形成,定植越早越严重,头穗果基本保不住,露地西红柿栽培保花保果是丰产的关键,不能认为此时气温已高,果实形成不成问题,第一穗花序开4～5朵花时,可用毛笔沾上此激素10～20ppm的水溶液,轻微涂点在花心上,不但能早熟5～7天,而且果大整齐,可增产30％～60％(只沾第一花序)
Tomatoes are one of the favorite vegetables all year round. Protected cultivation is developing day by day. However, there are still some open-field cultivation in some places. Spring planting tomatoes generally planted in late April appropriate. Despite abundant fertilizers and timely management, due to the spring monsoon, the temperatures fluctuated suddenly and easily, which could easily lead to the loss of fruit and vegetables. The earlier and more serious the planting was, the more serious the head spikes were. Of the key, can not be considered at this time the temperature is high, the formation of fruit is not a problem, the first spike 4 to 5 flowers, available brush stained with this hormone 10 ~ 20ppm aqueous solution, slightly painted on the flower heart, not only precocious 5 to 7 days, and the fruit neat, can increase 30% to 60% (only dip the first inflorescence)