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黄瓜花灯顶的主要特征是:植株顶部分化出大量的雌花,至使生长点不再伸长,枝蔓不再生长,形成自封顶。而且以后也不会再有新叶、新稍长出。如果发生此症状不及时采取补救措施,植株就会很快衰老死亡。(1)预防措施尽量提早育苗的时间,使幼苗接受深秋的高温条件,由其夜间的温度不可低于3℃。在棚室内育苗的,草苫要早揭晚盖,延长棚室内的光照时间,如有条件也可在棚室内加设灯光照明。
Cucumber lantern top the main features are: the top of the plant differentiation of a large number of female flowers, so that the growth point is no longer elongation, no longer grow branches, the formation of self-captive. And later there will be no new leaves, grow slightly new. If this symptom does not take remedial action in time, the plant will soon die of aging. (1) Preventive measures As early as possible nursery time, so that seedlings accept late autumn high temperature conditions, the temperature at night should not be less than 3 ℃. Nursery plants in the shed, grass 苫 early exposure to the night cover, to extend the indoor shed light time, if conditions can also be added in the shed light lighting.