注意防治果树根颈部腐烂病根颈是指树根与茎的交界处，很多果树的根颈处于砧穗接合部。在嫁接中若未能形成良好的愈合组织，即为树体造成了潜在的侵染点。腐烂病菌属弱寄生菌，主要从树体伤口处侵入。很多果树常在根颈部发生腐烂病。根颈在秋季进入休眠期较晚，春季又较早... Pay attention to the prevention and treatment of fruit tree root neck rot disease Root neck refers to the junction of the root and stem, a lot of fruit tree root anvil spike joints. Failure to form a good healing tissue during grafting creates a potential infection point for the tree. Rot bacteria is a weak parasitic bacteria, mainly from the tree wound invade. Many fruit trees often rot the root neck. Root neck into the dormancy later in the fall, spring earlier ...