温室冬茬黄瓜花打顶一直是人们揭不开的技术难题,在整个生育期都出现,特别是腰瓜前出现花打顶更使人们头痛不解。有的植株较弱,结瓜较多是营养不良所致;而有的植株生长较旺盛,茎叶肥大,茎杆粗壮,结瓜较少也出现花打顶;有的全棚植株同期出现80%的花打顶;也有的棚室个别植株出现花打顶…… Winter cucumbers in winter greenhouse stalks has always been a technical problem that people can not afford to open in the whole growth period, especially before the onset of stomatal degeneration more people headaches puzzled. Some plants are weaker, more melon is caused by malnutrition; and some plants grow more exuberant, stems and leaves hypertrophy, stalks stout, knot less flowers appear toppings; some full-shedding plants appear over the same period 80 % Of the flowers topping; some shed some plants appear topping ...