At present, the ethrel stimulated tapping system is a primary tapping system.
目前，乙烯刺激割胶制度是主要的割胶制度。
ABA and ethrel spray treatment sharply decreased the attachment of stem to the fruit.
ABA和乙稀利喷穗则使果柄的耐拉力明显降低。
Pretreatment with AgNO_3 (500 ppm)partly reversed the effects of Ethrel and ethylene.
预处理对乙烯利（乙烯）抑制小麦生长和杀雄等具有拮抗作用。
The results showed that the enhancement effects on cell wall enzymes changed with ethrel concentrations.
结果表明：乙烯对各细胞壁酶活性的促进效应因乙烯利施用浓度不同而异。
The bark between 30 cm above and 30 cm below the band treated with ethrel had varying degrees of resistance to the disease.
在乙烯利施药带上、下各30厘米范围以内的树皮均具有不同程度的抗病力。
The growth was inhibited and the maturation was promoted when the cassava plant was treated with ethrel at the later stage.
在木薯生长后期，施乙烯利能抑制生长，促进成熟。
At present, the ethrel stimulation tapping system is a primary tapping system and it greatly enhance the production benefit.
乙烯利刺激割胶制度目前已成为一项主要割胶制度，其生产效益十分显著。
Thus, if ethrel is applied too early, it may affect the fullness of maturing cotton bolls due to pre- cedable senescence of cotton leaves.
因此，过早使用乙烯利，对未长成的棉铃会因棉叶提前衰老而影响充实。
On the basis of 4 kinds of cotton disleave agent, the test for disleave agent and the disleave agent mixed with ethrel to treat the cotton was conducted.
对4种棉花脱叶剂进行了脱叶剂与乙烯利混配处理棉花试验，研究脱叶剂不同处理脱叶效果及其对棉花衣分、纤维长度、产量的影响。
The preliminary results are as follows:1. When top cluster leaves are treated by exogenous ethrel, leaves in different phenological-phase have no obvious effect on injuring;
初步研究成果如下：1。不对顶蓬叶外施乙烯利时，叶片物候期对伤害结果没有显著影响；
The preliminary results are as follows:1. When top cluster leaves are treated by exogenous ethrel, leaves in different phenological-phase have no obvious effect on injuring;
初步研究成果如下：1。不对顶蓬叶外施乙烯利时，叶片物候期对伤害结果没有显著影响；
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