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花椒(Zanthoxylum bungeanum Maxim)是我国栽培历史悠久、分布很广的木本香料、油料树种。河北省涉县是花椒的重点产区之一,全县有花椒树310万株,其中结果树160万株,年产量150至180万斤,年产值450多万元,是涉县农民的一项重要收入。 花椒性喜温。据有关资料介绍,幼树在气温低于-18℃时,枝条受冻害;成龄树则可抗-25℃低温。涉县1956年冬至1957年春曾发生过一次严重冻害,使全县90万株花椒
Zanthoxylum bungeanum Maxim is a woody spice and oilseed species that has been cultivated for a long time in China. Shexian County, Hebei Province is one of the key producing areas of pepper, the county has 3.1 million pepper trees, of which 1.6 million trees, the annual output of 150 to 180 kg, the annual output value of more than 4.5 million yuan, is one of Shexian peasants Key income. Zanthoxylum temperature. According to relevant information, young trees in the temperature below -18 ℃, the branches by the frost damage; aging tree can be anti-25 ℃ low temperature. Shexian 1956 winter solstice in the spring of 1957 once had a serious freeze injury, so that the county 900000 pepper